SmartAX MA5600T Multi-service Access Module
V800R008C02
Installation Guide
Issue
01
Date
2011-01-15
HUAWEI TECHNOLOGIES CO., LTD.
Copyright © Huawei Technologies Co., Ltd. 2011. All rights reserved.
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Huawei Technologies Co., Ltd.
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About This Document
About This Document
Intended Audience
This document describes the entire process for installing the N63E-22 cabinet for indoor access
solutions in terms of installation preparations, cabinet installation, cable routing, and power-on
check.
The intended audience of this document is:
l
Installation engineers
l
Technical support engineers
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Update History
Updates between document issues are cumulative. Therefore, the latest document issue contains
all updates made in previous issues.
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About This Document
Updates in Issue 01 (2011-01-15)
This is the first release.
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Contents
Contents
About This Document...................................................................................................................iii
1 Equipment Overview................................................................................................................1-1
1.1 Outline and Structure .....................................................................................................................................1-2
1.2 Configuration..................................................................................................................................................1-3
2 Preparing for the Installation...................................................................................................2-1
2.1 Checking the Installation Entry.......................................................................................................................2-2
2.1.1 Tools and Meters....................................................................................................................................2-2
2.1.2 Checking the Construction Environment.............................................................................................2-11
2.1.3 Checking the Power Supply System....................................................................................................2-13
2.1.4 Checking the Grounding System..........................................................................................................2-14
2.1.5 Checking the Cable Tray......................................................................................................................2-15
2.1.6 Checking the Distribution Frame.........................................................................................................2-15
2.2 Unpacking and Accepting Products..............................................................................................................2-16
2.2.1 Checking Before Unpacking................................................................................................................2-17
2.2.2 Unpacking the Wooden Case...............................................................................................................2-17
2.2.3 Unpacking the Carton...........................................................................................................................2-19
2.2.4 Unpacking the Board............................................................................................................................2-20
2.2.5 Accepting the Product..........................................................................................................................2-22
3 Removing the Cabinet Doors...................................................................................................3-1
3.1 Removing the Front Door of the Cabinet........................................................................................................3-2
3.2 Removing Side Covers....................................................................................................................................3-3
4 Installing the Cabinet on a Concrete Floor...........................................................................4-1
4.1 Outline of the Installed Cabinet......................................................................................................................4-3
4.2 Installation Process..........................................................................................................................................4-4
4.3 Recommended Tools.......................................................................................................................................4-6
4.4 Checking Before the Installation.....................................................................................................................4-7
4.5 Marking Reference Lines................................................................................................................................4-7
4.5.1 Marking Reference Lines Based on the Construction Plan Drawing.....................................................4-8
4.5.2 Marking Reference Lines Based on the Marking-off Plate..................................................................4-10
4.6 Drilling Holes................................................................................................................................................4-11
4.7 Installing Expansion Bolts............................................................................................................................4-12
4.8 Placing the Cabinet........................................................................................................................................4-15
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4.9 Leveling the Cabinet.....................................................................................................................................4-18
4.10 Fastening the Cabinet..................................................................................................................................4-19
4.11 Testing the Resistance.................................................................................................................................4-20
4.12 Attaching Cabinets......................................................................................................................................4-21
5 Installing the Cabinet on an ESD Floor.................................................................................5-1
5.1 Outline of the Installed Cabinet ..................................................................................................................... 5-3
5.2 Installation Process..........................................................................................................................................5-4
5.3 Recommended Tools.......................................................................................................................................5-6
5.4 Checking Before the Installation.....................................................................................................................5-7
5.5 Marking Reference Lines................................................................................................................................5-8
5.5.1 Marking Reference Lines Based on the Construction Plan Drawing.....................................................5-8
5.5.2 Marking Reference Lines Based on the Marking-off Plate..................................................................5-10
5.6 Drilling Holes................................................................................................................................................5-11
5.7 Installing Expansion Bolts............................................................................................................................5-12
5.8 Installing the Support....................................................................................................................................5-15
5.9 Placing the Cabinet........................................................................................................................................5-17
5.10 Leveling the Cabinet...................................................................................................................................5-20
5.11 Fastening the Cabinet..................................................................................................................................5-21
5.12 Testing the Resistance.................................................................................................................................5-22
5.13 Attaching Cabinets......................................................................................................................................5-24
5.14 Recovering the ESD Floor..........................................................................................................................5-24
6 Routing Cables ..........................................................................................................................6-1
6.1 Rules for Routing Cables................................................................................................................................ 6-2
6.2 Routing External Power Cables and Ground Cables for the B-Type PDU ....................................................6-8
6.3 Routing External Power Cables and Ground Cables for the C3-Type PDU.................................................6-10
6.4 Routing External Power Cables and Ground Cables for the I-Type PDU ...................................................6-11
6.5 Routing Clock Cable ....................................................................................................................................6-13
6.6 Routing Subscriber Cables for the 32-channel service board ......................................................................6-15
6.7 Routing Subscriber Cables for 64-channel service board ............................................................................6-16
6.8 Routing 2-in-1 Subscriber Cables.................................................................................................................6-17
6.9 Routing Interconnection Cables ...................................................................................................................6-18
6.10 Routing Trunk Cables ................................................................................................................................6-20
6.11 Routing Network Cables ............................................................................................................................6-21
6.12 Notes for Routing Optical Fibers ...............................................................................................................6-23
6.13 Routing Optical Fibers (MSAN).................................................................................................................6-24
6.14 Routing Optical Fibers (GPON)..................................................................................................................6-25
6.15 Routing Optical Fibers (P2P)......................................................................................................................6-26
6.16 Routing Optical Fibers (P2P, Detail)..........................................................................................................6-27
7 Ending Installation....................................................................................................................7-1
7.1 Sealing Cable Holes........................................................................................................................................7-2
7.1.1 Sealing Holes for Power Cables and Ground Cables.............................................................................7-2
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7.1.2 Sealing Holes for Optical Fibers............................................................................................................7-2
7.2 Installing the Cabinet Door.............................................................................................................................7-2
7.2.1 Installing the Front Door of the Cabinet................................................................................................7-2
7.2.2 Installing Side Covers............................................................................................................................7-5
7.3 Marking the Cabinet........................................................................................................................................7-6
7.4 Checking the Installation.................................................................................................................................7-7
7.4.1 Checking the Cabinet Installation..........................................................................................................7-7
7.4.2 Checking the Internal Connections (MSAN).........................................................................................7-9
7.4.3 Checking the Signal Cable Routing.....................................................................................................7-10
7.4.4 Checking the Installation of Terminal, Alarm box, and NMS.............................................................7-12
7.4.5 Checking the Power and the Grounding..............................................................................................7-13
7.4.6 Checking the Installation Environment................................................................................................7-14
7.4.7 Checking the Telecommunications Room...........................................................................................7-15
7.4.8 Checking the Connectivity of the Cables.............................................................................................7-16
7.5 Powering On the Device ..............................................................................................................................7-17
A Specifications of the N63E-22 Cabinet.................................................................................A-1
B Installing an Indoor Cable Rack............................................................................................B-1
B.1 Introduction to an Indoor Cable Rack............................................................................................................B-2
B.2 Process for Installing an Indoor Cable Rack..................................................................................................B-4
B.3 Installing an Indoor Cable Rack....................................................................................................................B-6
B.3.1 Ceiling-Based Installation.....................................................................................................................B-6
B.3.2 Installing an Indoor Cable Rack on the Ground...................................................................................B-9
B.3.3 Installing an Indoor Cable Rack Against the Wall.............................................................................B-11
B.4 Installing a Grounding Cable.......................................................................................................................B-13
B.5 Other Methods for Connecting Cable Ladders............................................................................................B-13
B.5.1 Assembling Cable Ladders.................................................................................................................B-14
B.5.2 Turning Cable Ladders.......................................................................................................................B-15
B.5.3 Connecting the Cable Ladder to the Wall...........................................................................................B-16
B.5.4 Jointing Cable Ladders.......................................................................................................................B-16
B.5.4.1 Front Jointing...................................................................................................................................B-17
B.5.4.2 Side Jointing.....................................................................................................................................B-17
B.5.4.3 Oblique Jointing...............................................................................................................................B-18
B.6 Installing a Cable Tray.................................................................................................................................B-18
B.6.1 Overview of a Cable Tray...................................................................................................................B-19
B.6.2 Connecting Cable Trays......................................................................................................................B-19
B.6.3 Installing a Cable Tray on a 200 mm or 400 mm Wide Cable Ladder...............................................B-19
B.6.4 Installing a Cable Tray Sideways.......................................................................................................B-20
B.7 Installing Accessories..................................................................................................................................B-22
B.7.1 Overview.............................................................................................................................................B-22
B.7.2 Installing Cable-Through Racks.........................................................................................................B-23
B.7.3 Installing End Covers, Movable Bushings, and Baffle Rings............................................................B-24
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C Making Cables and Connectors.............................................................................................C-1
C.1 Making External Power Cables and Ground Cables with Cord End Terminals............................................C-2
C.2 Making External Power Cables and Ground Cables with OT Terminals......................................................C-4
C.3 Making Ordinary Network Cables.................................................................................................................C-7
C.4 Making Shielded Network Cables...............................................................................................................C-10
C.5 Making the E1 Cable...................................................................................................................................C-13
C.5.1 Making the E1 Cable with the Straight SMB Female Connector....................................................... C-13
C.5.2 Making the E1 Cable with the Straight SMB Male Connector..........................................................C-18
C.5.3 Making the E1 Cable with the Bent SMB Female Connector............................................................C-23
D Installing the Internal Components of the Cabinet..........................................................D-1
D.1 Installing and Removing the Subrack............................................................................................................D-2
D.1.1 Materials and Tools..............................................................................................................................D-2
D.1.2 Precautions...........................................................................................................................................D-2
D.1.3 Installing the Subrack...........................................................................................................................D-2
D.1.4 Removing the Subrack.........................................................................................................................D-3
D.2 Installing and Removing the Board...............................................................................................................D-4
D.2.1 Materials and Tools..............................................................................................................................D-4
D.2.2 Precautions...........................................................................................................................................D-4
D.2.3 Installing the Board..............................................................................................................................D-5
D.2.4 Removing the Board.............................................................................................................................D-6
D.3 Installing and Removing the Fan Tray..........................................................................................................D-7
D.3.1 Materials and Tools..............................................................................................................................D-7
D.3.2 Precautions...........................................................................................................................................D-8
D.3.3 Installing the Fan Tray..........................................................................................................................D-8
D.3.4 Removing the Fan Tray........................................................................................................................D-8
E Cable Labels...............................................................................................................................E-1
E.1 Introduction to Labels....................................................................................................................................E-3
E.2 Filling Labels..................................................................................................................................................E-5
E.3 Usage of Labels..............................................................................................................................................E-7
E.4 Attaching Labels.............................................................................................................................................E-9
E.5 Label for External Alarm Cables..................................................................................................................E-11
E.6 Label for Network Cables............................................................................................................................ E-12
E.7 Labels for Optical Fibers..............................................................................................................................E-14
E.8 Labels for Trunk Cables...............................................................................................................................E-16
E.9 Label for Subscriber Cables......................................................................................................................... E-19
E.10 Labels for DC Power Cables......................................................................................................................E-20
E.11 Labels for AC Power Cables......................................................................................................................E-22
F Environment Requirements.....................................................................................................F-1
F.1 Storage Environment Requirements...............................................................................................................F-2
F.2 Transportation Environment Requirements....................................................................................................F-4
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F.3 Running Environment.....................................................................................................................................F-6
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Figures
Figures
Figure 1-1 Configuration of the N63E-22 cabinet installed with one service subrack .......................................1-4
Figure 1-2 Configuration of the N63E-22 cabinet installed with two service subracks ..................................... 1-5
Figure 1-3 Configuration of the N63E-22 cabinet installed with one service subrack and one SPL subrack
...............................................................................................................................................................................1-6
Figure 2-1 Straightening the tongue...................................................................................................................2-18
Figure 2-2 Removing the cover..........................................................................................................................2-18
Figure 2-3 Removing the wooden panels...........................................................................................................2-19
Figure 2-4 Unpacking the carton........................................................................................................................2-20
Figure 2-5 Unpacking the board.........................................................................................................................2-21
Figure 3-1 Removing the front door of the cabinet..............................................................................................3-2
Figure 3-2 Removing the screws on side covers..................................................................................................3-3
Figure 4-1 A cabinet installed on a concrete floor...............................................................................................4-3
Figure 4-2 Several cabinets installed on a concrete floor.....................................................................................4-4
Figure 4-3 Process of installing the cabinet on a concrete floor.......................................................................... 4-5
Figure 4-4 Construction plan drawing for installing a single cabinet on a concrete floor...................................4-8
Figure 4-5 Construction plan drawing for installing cabinets side by side on a concrete floor...........................4-9
Figure 4-6 Construction plan drawing for installing cabinets back to back on a concrete floor..........................4-9
Figure 4-7 Marking-off plate for a concrete floor..............................................................................................4-10
Figure 4-8 Drilling a hole...................................................................................................................................4-12
Figure 4-9 Components of an expansion bolt....................................................................................................4-13
Figure 4-10 Installing an expansion bolt............................................................................................................4-14
Figure 4-11 Removing the spring washer, flat washer, and nut.........................................................................4-14
Figure 4-12 Removing the front door of the cabinet..........................................................................................4-16
Figure 4-13 Removing the air filter....................................................................................................................4-17
Figure 4-14 Placing the cabinet..........................................................................................................................4-18
Figure 4-15 Leveling the cabinet........................................................................................................................4-19
Figure 4-16 Fastening the cabinet......................................................................................................................4-20
Figure 4-17 Testing the resistance......................................................................................................................4-21
Figure 4-18 Connecting the connecting plates...................................................................................................4-22
Figure 5-1 A single cabinet installed on an ESD floor.........................................................................................5-3
Figure 5-2 A row of cabinets installed on an ESD floor......................................................................................5-4
Figure 5-3 Process of installing the cabinet on an ESD floor..............................................................................5-5
Figure 5-4 Construction plan drawing for installing a single cabinet on an ESD floor.......................................5-8
Figure 5-5 Construction plan drawing for installing cabinets side by side on an ESD floor...............................5-9
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Figures
Figure 5-6 Construction plan drawing for installing cabinets back to back on an ESD floor..............................5-9
Figure 5-7 Marking-off plate for the ESD floor of the cabinet..........................................................................5-11
Figure 5-8 Drilling a hole...................................................................................................................................5-12
Figure 5-9 Components of an expansion bolt....................................................................................................5-13
Figure 5-10 Installing an expansion bolt............................................................................................................5-14
Figure 5-11 Removing the spring washer, flat washer, and nut.........................................................................5-14
Figure 5-12 Position of the height-locking bolt.................................................................................................5-15
Figure 5-13 Installing the support......................................................................................................................5-16
Figure 5-14 Leveling and fastening the support.................................................................................................5-17
Figure 5-15 Removing the front door of the cabinet..........................................................................................5-18
Figure 5-16 Removing the air filter....................................................................................................................5-19
Figure 5-17 Placing the cabinet..........................................................................................................................5-20
Figure 5-18 Leveling the cabinet........................................................................................................................5-21
Figure 5-19 Fastening the cabinet......................................................................................................................5-22
Figure 5-20 Testing the resistance......................................................................................................................5-23
Figure 5-21 Connecting the connecting plates...................................................................................................5-24
Figure 5-22 Process of recovering the ESD floor..............................................................................................5-25
Figure 5-23 Installing the floor holder...............................................................................................................5-25
Figure 6-1 Installing the OT terminals.................................................................................................................6-3
Figure 6-2 Bundling the cables at the bending radius..........................................................................................6-4
Figure 6-3 Leading the cables through the cable ladder.......................................................................................6-5
Figure 6-4 Leading the cables downwards from the side of the cable trough......................................................6-6
Figure 7-1 Installing the air filter.........................................................................................................................7-3
Figure 7-2 Installing the front door of the cabinet...............................................................................................7-4
Figure 7-3 Connecting the ground cable..............................................................................................................7-5
Figure 7-4 Installing the screws on side covers...................................................................................................7-6
Figure B-1 Process for installing an indoor cable rack........................................................................................B-5
Figure B-2 Distance between bracket angles.......................................................................................................B-6
Figure B-3 Drilling holes.....................................................................................................................................B-7
Figure B-4 Ceiling-based installation..................................................................................................................B-8
Figure B-5 Ceiling-based installation when there is an obstacle on the ceiling..................................................B-9
Figure B-6 Distance between bracket angles.......................................................................................................B-9
Figure B-7 Drilling holes...................................................................................................................................B-10
Figure B-8 Ground-based installation...............................................................................................................B-11
Figure B-9 Fixing a U-steel as the beam onto the cable ladder.........................................................................B-11
Figure B-10 Distance between deltoid frames...................................................................................................B-12
Figure B-11 Drilling holes.................................................................................................................................B-12
Figure B-12 Installing the cable rack against the wall.......................................................................................B-13
Figure B-13 Installing a grounding cable..........................................................................................................B-13
Figure B-14 Assembling cable ladders..............................................................................................................B-14
Figure B-15 Turning the cable ladders (without cable trays) on the same level...............................................B-15
Figure B-16 Turning the cable ladders on different levels................................................................................B-16
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Figures
Figure B-17 Connecting the cable ladder to the wall........................................................................................B-16
Figure B-18 Front jointing of cable ladders......................................................................................................B-17
Figure B-19 Side jointing of cable ladders........................................................................................................B-18
Figure B-20 Oblique jointing of cable ladders..................................................................................................B-18
Figure B-21 Connecting cable trays..................................................................................................................B-19
Figure B-22 Installing the cable tray on the cable ladder.................................................................................. B-20
Figure B-23 Cutting off the connecting rib of the triangle aperture..................................................................B-20
Figure B-24 Installing the cable tray sideways..................................................................................................B-21
Figure B-25 Cable tray installed sideways onto the cabling ladder..................................................................B-22
Figure B-26 Installing a cable-through rack when the cable rack is not equipped with a cable tray................B-23
Figure B-27 Installing a cable-through rack when the cable rack is equipped with a cable tray......................B-24
Figure B-28 Installing an end cover on a cable ladder......................................................................................B-24
Figure B-29 Installing a movable bushing on a cable tray................................................................................B-24
Figure B-30 Installing a baffle ring on a cable tray...........................................................................................B-25
Figure C-1 Peeling the insulation layer off the power cable...............................................................................C-2
Figure C-2 Inserting the conductor into the cord end terminal...........................................................................C-3
Figure C-3 Clamping the cord end terminal........................................................................................................C-4
Figure C-4 Peeling off the insulation layer of the power cable...........................................................................C-5
Figure C-5 Installing heat shrink tubing and bare crimping terminal.................................................................C-6
Figure C-6 Clamping the tail of the bare crimping terminal with the contact part of the conductor..................C-6
Figure C-7 Installing the heat shrink tubing........................................................................................................C-7
Figure C-8 Ordinary network cable.....................................................................................................................C-8
Figure C-9 Installing the boot for the RJ-45 connector.......................................................................................C-8
Figure C-10 Peeling the jacket............................................................................................................................C-9
Figure C-11 Assigning the wires to the network cable.......................................................................................C-9
Figure C-12 Pushing the boot to cover the RJ-45 connector.............................................................................C-10
Figure C-13 Shielded network cable.................................................................................................................C-11
Figure C-14 Components of a shielded RJ-45 connector..................................................................................C-11
Figure C-15 Installing the boot for the RJ-45 connector and the shielded metal cover.................................... C-12
Figure C-16 Installing the wires........................................................................................................................C-12
Figure C-17 Crimping the RJ-45 connector......................................................................................................C-13
Figure C-18 Components..................................................................................................................................C-14
Figure C-19 Structure of the coaxial cable........................................................................................................C-15
Figure C-20 Lengths of connectors and the peeled part of cables.....................................................................C-16
Figure C-21 Putting a coaxial cable into a sleeve.............................................................................................C-16
Figure C-22 Expanding the outer conductor of a coaxial cable........................................................................C-16
Figure C-23 Inserting a coaxial cable into a connector plug.............................................................................C-17
Figure C-24 Soldering the inner conductor.......................................................................................................C-17
Figure C-25 Press-fitting the outer conductor...................................................................................................C-17
Figure C-26 Installing the components of a coaxial cable................................................................................C-18
Figure C-27 Components..................................................................................................................................C-19
Figure C-28 Structure of the coaxial cable........................................................................................................C-20
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Figures
Figure C-29 Lengths of connectors and the peeled part of cables.....................................................................C-20
Figure C-30 Putting a coaxial cable into a sleeve.............................................................................................C-21
Figure C-31 Expanding the outer conductor of a coaxial cable........................................................................C-21
Figure C-32 Inserting a coaxial cable into a connector plug.............................................................................C-21
Figure C-33 Soldering the inner conductor.......................................................................................................C-22
Figure C-34 Press-fitting the outer conductor...................................................................................................C-22
Figure C-35 Installing the components of a coaxial cable................................................................................C-23
Figure C-36 Components..................................................................................................................................C-24
Figure C-37 Structure of the coaxial cable........................................................................................................C-24
Figure C-38 Lengths of connectors and the peeled part of cables.....................................................................C-25
Figure C-39 Putting a coaxial cable into a sleeve.............................................................................................C-26
Figure C-40 Inserting a coaxial cable into a connector plug.............................................................................C-26
Figure C-41 Soldering the inner conductor.......................................................................................................C-26
Figure C-42 Press-fitting the outer conductor...................................................................................................C-27
Figure C-43 Press-fitting the upper cover on the connector..............................................................................C-27
Figure C-44 Installing the components of a coaxial cable................................................................................C-28
Figure D-1 Fixing the panel screws.....................................................................................................................D-3
Figure D-2 Removing the subrack......................................................................................................................D-4
Figure D-3 Wearing an ESD wrist strap correctly..............................................................................................D-5
Figure D-4 Installing the board...........................................................................................................................D-6
Figure D-5 Removing the board..........................................................................................................................D-7
Figure D-6 Installing the fan tray........................................................................................................................D-8
Figure D-7 Removing the fan tray.......................................................................................................................D-9
Figure E-1 Label for the signal cable...................................................................................................................E-4
Figure E-2 Label for the power cable..................................................................................................................E-5
Figure E-3 Warning prompt before the printing..................................................................................................E-6
Figure E-4 Writing direction on the label............................................................................................................E-7
Figure E-5 Printing parts on the label for the signal cables.................................................................................E-8
Figure E-6 Attaching the label to the signal cable at a proper position...............................................................E-9
Figure E-7 Attaching the label to the signal cable.............................................................................................E-10
Figure E-8 Appearance of the label attached to the power cable......................................................................E-11
Figure E-9 Example of the label on the alarm cable..........................................................................................E-12
Figure E-10 Example of the label for the network cable...................................................................................E-13
Figure E-11 Example of the label on the optical fiber connecting two cabinets............................................... E-15
Figure E-12 Example of the label on the optical fiber connecting the cabinet to the ODF...............................E-16
Figure E-13 Labels for the trunk cable connecting two cabinets......................................................................E-17
Figure E-14 Example of the label on the trunk cable connecting the cabinet to the DDF................................E-19
Figure E-15 Example of the label for the subscriber cable................................................................................E-20
Figure E-16 Example of the labels on the DC power cable...............................................................................E-21
Figure E-17 Example of the labels on the AC power cable...............................................................................E-22
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Tables
Tables
Table 2-1 Measuring and marking tools to be arranged before the installation...................................................2-3
Table 2-2 Drilling tools to be arranged before the installation.............................................................................2-3
Table 2-3 Fastening tools to be arranged before the installation..........................................................................2-4
Table 2-4 Pliers to be arranged before the installation.........................................................................................2-5
Table 2-5 Auxiliary tools to be arranged before the installation..........................................................................2-7
Table 2-6 Special tools to be arranged before the installation..............................................................................2-9
Table 2-7 Meters to be arranged before the installation.....................................................................................2-10
Table 2-8 Checklist of the construction environment........................................................................................2-11
Table 2-9 Checklist for the power supply system..............................................................................................2-13
Table 2-10 Checklist of the grounding system...................................................................................................2-14
Table 2-11 Checklist for the cable tray..............................................................................................................2-15
Table 2-12 Checklist for the distribution frame.................................................................................................2-16
Table 2-13 Checking requirements before unpacking the products...................................................................2-17
Table 7-1 Checklist of the cabinet installation.....................................................................................................7-7
Table 7-2 Internal connections of the N63E-22 cabinet that is configured with two service subracks (I-type PDU
adopted).................................................................................................................................................................7-9
Table 7-3 Internal connections of the N63E-22 cabinet that is configured with two service subracks (B-type PDU
adopted)...............................................................................................................................................................7-10
Table 7-4 Checklist of signal cables...................................................................................................................7-10
Table 7-5 Checklist of the terminal installation.................................................................................................7-12
Table 7-6 Checklist of power cables and ground cables....................................................................................7-13
Table 7-7 Checklist of the installation environment..........................................................................................7-14
Table 7-8 Checklist of the telecommunications room........................................................................................7-15
Table 7-9 Checklist of the connectivity of cables..............................................................................................7-16
Table A-1 Dimensions and weight of the N63E-22 cabinet................................................................................A-1
Table B-1 Components for installing a cable rack...............................................................................................B-2
Table B-2 Tools for installing a cable rack..........................................................................................................B-4
Table C-1 Mapping between the cross-sectional area and the length of insulation layer to be peeled off (L1)
..............................................................................................................................................................................C-3
Table C-2 Mapping between the cross-sectional area and the length of the insulation layer to be peeled off (L1)
..............................................................................................................................................................................C-5
Table C-3 Wires assigned to the network cable..................................................................................................C-9
Table C-4 Peeled lengths of commonly used coaxial cables.............................................................................C-15
Table C-5 Peeled lengths of commonly used coaxial cables.............................................................................C-20
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Table C-6 Peeling lengths of commonly used coaxial cables...........................................................................C-25
Table E-1 Standard typeface for handwriting......................................................................................................E-7
Table E-2 Information on the label for the external alarm cable....................................................................... E-11
Table E-3 Information on the label for the network cable.................................................................................E-12
Table E-4 Information on the label for the optical fiber connecting two cabinets............................................E-14
Table E-5 Information on the label for the optical fiber connecting the cabinet to the ODF............................ E-15
Table E-6 Information on the labels for the trunk cable connecting two cabinets............................................E-17
Table E-7 Information on labels for the trunk cable connecting the cabinet to the DDF..................................E-18
Table E-8 Information on the labels for the subscriber cable............................................................................ E-19
Table E-9 Meaning of the label for the DC power cables.................................................................................E-20
Table E-10 Meaning of the label for the AC power cable................................................................................. E-22
Table F-1 Climatic requirements.........................................................................................................................F-2
Table F-2 Restrictions on the density of mechanically active materials in the air for storage............................F-3
Table F-3 Restrictions on the density of chemically active materials in the air for storage................................F-3
Table F-4 Restrictions on mechanical stress imposed on the device that is stored..............................................F-3
Table F-5 Climatic requirements.........................................................................................................................F-4
Table F-6 Restrictions on the density of mechanically active materials in the air for transportation..................F-5
Table F-7 Restrictions on the density of chemically active materials in the air for transportation.....................F-5
Table F-8 Restrictions on the mechanical stress imposed on the device that is transported................................F-6
Table F-9 Climatic requirements.........................................................................................................................F-6
Table F-10 Restrictions on the density of mechanically active materials in the air for storage..........................F-7
Table F-11 Restrictions on the density of chemically active materials in the air for storage..............................F-7
Table F-12 Requirements on mechanical stress imposed on the device that is stored.........................................F-8
Table F-13 Requirements on the electromagnetic environment..........................................................................F-8
Table F-14 Requirements on lightning proof grounding.....................................................................................F-9
Table F-15 Requirements on the AC voltage and the frequency....................................................................... F-11
Table F-16 Specifications for the DC power supply..........................................................................................F-13
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1 Equipment Overview
1
Equipment Overview
About This Chapter
This topic provides the dimensions of the N63E-22 cabinet and describe the application,
appearance, and configuration of the indoor N63E-22 cabinet for the MA5600T.
1.1 Outline and Structure
1.2 Configuration
The N63E-22 cabinet adopts the DC power. This topic describes the service subrack
configuration of the N63E-22 cabinet, and lists the maximum number of subscribers of the
cabinet.
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1.1 Outline and Structure
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1.2 Configuration
The N63E-22 cabinet adopts the DC power. This topic describes the service subrack
configuration of the N63E-22 cabinet, and lists the maximum number of subscribers of the
cabinet.
The N63E-22 cabinet has the following configurations:
l
Configuration of one service subrack
l
Configuration of two service subracks
l
Configuration of one service subrack and one SPL subrack
Configuration of One Service Subrack
Figure 1-1 shows the configuration of the N63E-22 cabinet installed with one service subrack.
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Figure 1-1 Configuration of the N63E-22 cabinet installed with one service subrack
PDU (100 mm)
82
81
79
Empty (1000 mm)
Part
38
82, 79 (I-type)
PDU
33
Service shelf (450 mm)
30
29
Installation Hole
82, 79 (C3-type)
81, 79 (B-type)
Service shelf
38, 33, 26, 21
Cabling space
20, 19, 18, 17
26
Cabling space (100 mm)
21
20
19
18
17
Empty (400 mm)
NOTE
l In Figure 1-2, the filled holes are for floating nuts to fasten subracks.
l In Figure 1-2, installation holes 29, and 30 are used to fasten coils.
Configuration of Two Service Subracks
Figure 1-2 shows the configuration of the N63E-22 cabinet installed with two service subracks.
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Figure 1-2 Configuration of the N63E-22 cabinet installed with two service subracks
PDU (100 mm)
82
81
79
Empty (50 mm)
76
71
Service shelf 2 (450 mm)
68
67
64
Cabling space 2 (100 mm)
59
58
57
56
55
Empty (250 mm)
Air deflector (150 mm)
42
Part
Installation Hole
PDU
82, 79 (C3-type)
39
38
82, 79 (I-type)
33
Service shelf 1 (450 mm)
30
29
81, 79 (B-type)
Cabling space 2
76, 71, 64, 59
Cabling space 2
58, 57, 56, 55
Air deflector
39, 42
Service shelf 1
38, 33, 26, 21
Cabling space 1
20, 19, 18, 17
26
Cabling space 1 (100 mm)
Empty (400 mm)
21
20
19
18
17
NOTE
l In Figure 1-2, the filled holes are for floating nuts to fasten subracks.
l In Figure 1-2, installation holes 29, 30, 67, and 68 are used to fasten coils.
l In Figure 1-2when the High-density service boards are installed, the air deflector is required. When
the other boards are installed, the air deflector is not required.
Configuration of One Service Subrack and One SPL Subrack
Figure 1-3 shows the configuration of the N63E-22 cabinet installed with one service subrack
and one SPL subrack.
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Figure 1-3 Configuration of the N63E-22 cabinet installed with one service subrack and one
SPL subrack
PDU (100 mm)
82
81
79
Empty (50 mm)
76
71
Service shelf (450 mm)
68
67
64
59
58
53
SPL shelf (400 mm)
51
50
48
Cabling space (100 mm)
43
42
41
Part
Installation Hole
82, 79 (I-type)
PDU
82, 79 (C3-type)
81, 79 (B-type)
Service shelf
SPL shelf
76, 71, 64, 59
58, 53, 48, 43
Cabling space
42, 41
NOTE
l In Figure 1-3, the filled holes are for floating nuts to fasten subracks.
l In Figure 1-3, installation holes 50, 51, 67, and 68 are used to fasten coils.
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2
2 Preparing for the Installation
Preparing for the Installation
About This Chapter
Prepare the tools and the meters before installing the cabinet, and check the installation
environment to ensure that the device is installed properly.
2.1 Checking the Installation Entry
Before the installation, check whether the construction environment, power supply system,
grounding system, and distribution frame meet the installation requirement.
2.2 Unpacking and Accepting Products
After the packing case arrives at the site, you need to unpack and accept products to facilitate
the subsequent installation.
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2 Preparing for the Installation
2.1 Checking the Installation Entry
Before the installation, check whether the construction environment, power supply system,
grounding system, and distribution frame meet the installation requirement.
The project supervisor must check the installation entry on site. The files to be prepared and the
precautions to be taken are as follows:
l
Fill in the Checklist of the Construction Environment according to the actual conditions.
l
Sign the Kickoff Agreement with the customer and draft the Project Installation Plan if all
the items are available.
l
If requirements are not met, fill in the Onsite Work Liaison Form and specify the reason
for postponing the kickoff.
l
Sign a memo for any engineering project that cannot be rectified or that does not meet the
requirements even after it is rectified.
2.1.1 Tools and Meters
This topic lists the tools and meters specified in the contract, which need to be arranged by the
owner. Test and adjust the meters before using them.
2.1.2 Checking the Construction Environment
This topic describes how to check the construction environment against the checklist before the
installation.
2.1.3 Checking the Power Supply System
This topic describes how to check the power supply against the checklist before the installation.
2.1.4 Checking the Grounding System
This topic describes how to check the grounding system against the checklist before the
installation.
2.1.5 Checking the Cable Tray
This topic describes how to check the cable tray against the checklist before the installation.
2.1.6 Checking the Distribution Frame
This topic describes how to check the distribution frame against the checklist before the
installation.
2.1.1 Tools and Meters
This topic lists the tools and meters specified in the contract, which need to be arranged by the
owner. Test and adjust the meters before using them.
Measuring and Marking Tools
Table 2-1 lists the measuring and marking tools to be arranged before the installation.
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Table 2-1 Measuring and marking tools to be arranged before the installation
Name
Description
Steel tape
Used for
measuring the
length
Angle square
Used for
measuring the
length or
drawing a right
angle
Marker pen
Used for
marking when
you draw lines
Spirit level
Used for
checking
whether the
cabinet is
leveled
Illustration
Drilling Tools
Table 2-2 lists the drilling tools to be arranged before the installation.
Table 2-2 Drilling tools to be arranged before the installation
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Name
Description
Punch tool
Used for
locating the bit
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Name
Description
Hammer
drill
Used for drilling
holes before you
install the
cabinet
Bit
Different bits
for holes with
different depths
and diameters
Vacuum
cleaner
Used for
cleaning the
dust and drill
cuttings during
the drilling
Illustration
Fastening Tools
Table 2-3 lists the fastening tools to be arranged before the installation.
Table 2-3 Fastening tools to be arranged before the installation
Name
Description
Flat-head
screwdriver
l Used for
fastening small
screws and bolts
Illustration
l Rarely used for
fastening nuts
l With a flat head
Phillips
screwdriver
l Used for
fastening small
screws and bolts
l Rarely used for
fastening nuts
l With a cross
head
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Name
Description
Socket ring
wrench
Used in a small
enclosure
Adjustable
wrench
Used for socket ring
or square bolts and
nuts of a certain size
range because the
hole of the wrench
can be adjusted
Socket wrench
Used with various
sockets for
fastening socket
ring or square bolts
and nuts of different
sizes
2 Preparing for the Installation
Illustration
Pliers
Table 2-4 lists the pliers to be arranged before the installation.
Table 2-4 Pliers to be arranged before the installation
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Name
Description
Toolkit for 75ohm trunk
cable
Used for making E1
cables of coaxial
type on site
Hydraulic
pliers
Used for making
power cables with
cord end terminals
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Name
Description
Sharp-nose
pliers
Used for picking
small parts or
turning and
twisting fine wires
in a small enclosure
Diagonal pliers
Used for stripping
and cutting
insulating tubes or
cable ties
Wire clipper
Used for cutting
wires, wire-rod
rolls, barbed wire,
and cables with a
large crosssectional area and
the hardness of
these materials
should not be more
than 30 HRC
Crowbar
Used for lifting the
cabinet
Illustration
Auxiliary Tools
Table 2-5 lists the auxiliary tools to be arranged before the installation.
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Table 2-5 Auxiliary tools to be arranged before the installation
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Name
Description
Rubber
hammer
Used for knocking
expansion bolts
Claw hammer
Used for knocking
and removing nails
Brush
Used for cleaning
the air filter
Paper cutter
Used for peeling off
the jacket of the
cable when cables
are made on site
Electric
soldering iron
Used for soldering a
conductor with
small crosssectional area to the
connector
Tin wire
Solder wire
Hot air gun
Used to heat a heatshrink tubing
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Name
Description
Ladder
Used for working at
heights
Forklift
Used for carrying
cabinets
Powder
marker
Used for marking
construction plan
drawing
Illustration
Special Tools
Table 2-6 lists the special tools to be arranged before the installation.
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Table 2-6 Special tools to be arranged before the installation
Name
Description
Wire stripper
Used for peeling off the
shield layer and jacket of
the communication
cable with small crosssectional area
RJ-45
connector
crimping
pliers
Used for crimping the RJ
connector of the phone
cable or the network
cable
Wire cutter
l Used for installing
subscriber cables or
trunk cables to the
main distribution
frame (MDF)/digital
distribution frame
(DDF)
Illustration
l Used for connecting
the cables, blocks,
and MDFs/DDFs
Issue 01 (2011-01-15)
Wire crimping
tool
Used for crimping the
tail metal jacket when
making coaxial cables
on site
ESD gloves
Used to prevent the
electrostatic discharge
from damaging the
equipment
ESD wrist
strap
Used to prevent the
electrostatic discharge
from damaging the
equipment. One end of
the ESD wrist strap
should be connected to
the ESD jack on the
cabinet.
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Meters
Table 2-7 lists the meters to be arranged before the installation.
Table 2-7 Meters to be arranged before the installation
2-10
Name
Description
Network cable
tester
Used for testing the
connectivity and the
connections of the
network cable
Optical power
meter
Used for measuring
the optical power
2M bit error
tester
Used for testing the
2M bit errors
Optical
attenuator
Used for adjusting
the power level of an
optical signal by
adjusting the
attenuation.
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Name
Description
Multimeter
Used for testing the
cabinet insulation,
cable connectivity,
and specifications of
the electrical
parameters of a
device, such as
voltage, current, and
resistance
2 Preparing for the Installation
Illustration
2.1.2 Checking the Construction Environment
This topic describes how to check the construction environment against the checklist before the
installation.
Table 2-8 provides the checklist of the construction environment.
Table 2-8 Checklist of the construction environment
No.
Item
Requirement
1
Civil
engineering
l The telecommunications room must be sufficiently large for the
installation and future expansion of the device.
l The floor must be able to support the product weight.
l The installation or preparation of the cable trough, cable ladder,
and cable hole must be completed in the telecommunications
room.
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No.
Item
Requirement
2
Site selection
l Do not construct the telecommunications room at a place where
the atmospheric temperature is high.
l Ensure that the telecommunications room is free of dust,
harmful gas, inflammable material, explosive material,
electromagnetic interference (such as large radar station,
launching tower, and transformer substation), voltage
fluctuation, and loud or sharp noise.
l Select a suitable place for the telecommunications room
according to the telecom network plan and the telecom device
requirements which consider factors such as hydrology,
geology, earthquake, electric power and traffic.
l Working environment temperature of the device: -5°C to +45°
C
l Working environment humidity of the device: 5% RH to 95%
RH
l Working voltage range of the device:
– -48 VDC power supply: -38.4 VDC to -57.6 VDC
– -60 VDC power supply: -48 VDC to -72 VDC
3
Air conditioner
l During the month when the atmospheric temperature is highest
in a year, install an air conditioner (which can be restarted after
power-off) if the temperature in the telecommunications room
is higher than 35°C.
l Ensure that the air from the air conditioner is not directed
towards the device.
4
Weight bearing
capacity
l Before installing the cabinet, check the weight bearing capacity
of the installation site according to the device layout of the
installation site. If the bearing capacity does not meet the
requirement, prepare the installation site so that it can bear the
weight of the device.
l Consult a professional construction company and take proper
measures for strengthening the installation site. The
strengthening process must be executed by a professional
construction team.
5
Moisture-proof
measures
l If the relative humidity is more than 70%, install a
dehumidifying device, such as an air conditioner with
dehumidification function or a special dehumidifier.
l Ensure that the telecommunications room is protected from
moisture and water seepage.
6
Temperature
regulation
l If the average temperature is lower than 5°C for 90 days or more
in a year, install a heating system.
l If the average temperature is lower than 5°C for 60 days or more
but fewer than 90 days, it is recommended that you install a
heating system.
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No.
Item
Requirement
7
Dust-proof
measures
l For the telecommunications room located where there is dust,
such as the coal mine, rural highway, or farmland, seal the
window with double-layer aluminum alloy, and use an antitheft and fireproof door.
l Place a partition board between the device and the door of the
room.
8
Lightning proof l The telecommunications room must be installed with the surge
measures
protection devices, such as lightning proof rod or lightning
proof strip.
l The lightning protection ground and the protection ground of
the room should share one ground body.
9
Transportation
passage
The transportation passage, such as lift and corridor, must be large
enough to carry the cabinet.
10
Fire protection
l Configure the fire retardant cover for the reserved holes on the
equipment floor, and ensure that the holes can be sealed for
insulation. If cable routing is required, fill the holes with fireprotection mud.
l Adopt fire retardant materials for the new decoration in the
telecommunications room. For example, adopt fire retardant
materials for insulation when the telecommunications room is
in the buildings or stores.
l Process fire protection by using PVC fire retardant tape, and
fill the holes for cables with fire-protection mud.
l The fire-fighting equipment such as fire extinguisher must be
available in the telecommunications room.
2.1.3 Checking the Power Supply System
This topic describes how to check the power supply against the checklist before the installation.
Table 2-9 provides the checklist for the power supply system.
Table 2-9 Checklist for the power supply system
No.
Item
Requirement
1
Power supply
outside the
telecommunica
tions room
It is recommended that you use an independent transformer to
supply power for the telecommunications room.
l Voltage fluctuation: –5% to +5%
l Frequency fluctuation: –0.2 Hz to +0.2 Hz
l Waveform distortion ratio: ≤ ±5%
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No.
Item
Requirement
2
Power
distribution
cabinet
Each output load of the power distribution cabinet must meet the
requirement for device running, and provide standby capacity for
the upgrade and capacity expansion of the cabinet.
3
Power cable
The power cable that connects the power distribution cabinet to the
device must be far away from the signal cable. The signal cable and
power cable cannot be routed in parallel. If the signal cable and
power cable are routed in parallel, take corresponding shielding
measures.
4
DC power
supply
The DC voltage in the telecommunications room is in the range of
–38.4 V to –57.6 V (rated voltage: –48 V) or –48 V to –72 V (rated
voltage: –60 V).
2.1.4 Checking the Grounding System
This topic describes how to check the grounding system against the checklist before the
installation.
Table 2-10 provides the checklist of the grounding system.
Table 2-10 Checklist of the grounding system
No.
Item
Requirement
1
Grounding
Do not connect the neutral line of the AC power cable to the
protection ground of any telecom device in the telecommunications
room.
Do not install the fuse or switch on the ground cable.
Ensure that all the ground cables are short and arranged straightly.
2
Grounding
resistance
The device working ground, protection ground, and lightning
protection ground in the telecommunications room should share one
ground body.
It is recommended that the communication device and the power
supply in the telecommunications room share one ground bar.
The ground resistance of the grounding system should be smaller
than 10 ohms.
3
Collective
ground cable
Use the ground ring or ground bar for the collective ground cable.
Do not use aluminum cables as ground cables. Take measures to
prevent electrification corrosion when connecting different metal
parts together.
Use the copper busbar as the collective ground cable with the crosssectional area of not smaller than 120 mm2, or use the galvanized
flat steel that has the same resistance.
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No.
Item
Requirement
4
Grounding
lead-in cable
Connect the ground bar properly to the grounding network. The
distance between the ground bar and the grounding network should
not be more than 30 m. Use 40 x 4 mm2 or above galvanized flat
steel to connect them, or use a cable with a cross-sectional area of
more than 95 mm2 to connect them.
Take insulation and anti-corrosive measures for the galvanized flat
steel and the cable. The galvanized flat steel and the cable should
not be broken. Take mechanical measures for the unearthed part.
5
DC grounding
The central office, where the device is located, should adopt joint
grounding. That is, the working ground and the protection ground
of the device, and the lightning ground of the building should be
connected together.
Connect the working ground in the DC power distribution cabinet
to the protection ground in the telecommunications room. The crosssectional area of the cable should not be smaller than 95 mm2.
2.1.5 Checking the Cable Tray
This topic describes how to check the cable tray against the checklist before the installation.
Table 2-11 provides the checklist for the cable tray.
Table 2-11 Checklist for the cable tray
No.
Item
Requirement
1
Bearing
capacity
The cable tray and the wall that supports the cable tray must bear
the cables routed in the telecommunications room.
2
Installation
standard
The installation position of the cable tray must comply with the
design. The cable tray and its accessories must be installed correctly
and reliably.
3
Insulation
The insulation components must be installed correctly, and can
insulate the cable tray from the wall.
4
Grounding
Connect the cable tray to the ground bar. The ground lead-out cable
is the copper conducting wire with a cross section that is greater
than or equal to 50 mm2.
2.1.6 Checking the Distribution Frame
This topic describes how to check the distribution frame against the checklist before the
installation.
Table 2-12 provides the checklist for the distribution frame.
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Table 2-12 Checklist for the distribution frame
No.
Item
Requirement
1
Capacity
The distribution frame capacity must meet both current capacity
requirements and further capacity requirements.
2
MDF
Lightningproof and
protective
units
The lightning-proof and protective units must be installed on the
cable side terminal block of the Main Distribution Frame (MDF).
3
DDF
connector
The Digital Distribution Frame (DDF) connector must be
compatible with the cable delivered in this project.
4
ODF
The installation of external optical fiber must be complete. The
Optical Distribution Frame (ODF) or the fiber distribution box must
be installed. The fiber must be welded.
5
Grounding
The shield layer of the external cable must be connected to the
ground bar of the MDF. The ground led-out cable of the MDF is the
copper conducting wire with a cross section that is no less than 50
mm2. Use the copper cable with a cross section that is no less than
6 mm2 as the DDF/ODF to connect to the protection-ground bar in
the telecommunications room.
2.2 Unpacking and Accepting Products
After the packing case arrives at the site, you need to unpack and accept products to facilitate
the subsequent installation.
2.2.1 Checking Before Unpacking
Check whether the destination delivery of each packing case is consistent with the actual site
for installation, whether the total pieces of products and the packing list number attached to each
packing case are correct, and whether there is any damage on the packing case.
2.2.2 Unpacking the Wooden Case
Generally, wooden cases are used for packing heavy goods such as cabinets and batteries. The
cabinet package includes wooden panels, steel edges, tongues, and foam plates. You need to
unpack the wooden case on site.
2.2.3 Unpacking the Carton
In general, cartons are used to pack cables, boards, and terminals. This topic describes how to
unpack the carton.
2.2.4 Unpacking the Board
The board is packed in the ESD bag. Unpack the board during installation.
2.2.5 Accepting the Product
This topic describes how to check and accept products one by one according to the Packing
List.
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2.2.1 Checking Before Unpacking
Check whether the destination delivery of each packing case is consistent with the actual site
for installation, whether the total pieces of products and the packing list number attached to each
packing case are correct, and whether there is any damage on the packing case.
The project supervisor must check the products on site in the presence of the customer. Table
2-13 describes the checking requirements before unpacking the products.
Table 2-13 Checking requirements before unpacking the products
No.
Description
1
The destination address must be the address of the installation site.
2
The packing case must be in proper condition. It should not be damaged or damp.
3
The shockproof label and overturn-proof label on the packing case must be displayed
correctly.
4
The device must be placed correctly.
5
The total number of packages must be consistent with the number of items
mentioned in the packing list attached to the packing case.
NOTE
l
If the package is defective, stop unpacking and report the condition of the package to the local Huawei
representative. If the quantity of the product is correct and the product is in good condition, unpack
and accept the product.
l
To identify the front, rear, left, and right sides of the device, read the instructions on the packing case.
2.2.2 Unpacking the Wooden Case
Generally, wooden cases are used for packing heavy goods such as cabinets and batteries. The
cabinet package includes wooden panels, steel edges, tongues, and foam plates. You need to
unpack the wooden case on site.
Precautions
l
Do not place the wooden case upside down because the device may be damaged severely.
l
Move the packing case into or near the telecommunications room (if possible) to prevent
the cabinet from being damaged during transportation.
l
Remove the packing blocks and the lining boards from the installation site to prevent the
signal cables and circuit boards from being damaged.
l
If the products are wet or rusty, stop unpacking and detect the cause. Report the condition
of the products to the local Huawei representative.
l
When unpacking the carton, take protection measures, for example, wear gloves to protect
your hands.
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Procedure
Step 1 Insert one end of the spanner into the groove of the tongue on the cover of the wooden case.
Turn the spanner to straighten the tongue, as shown in Figure 2-1. You can also use a screwdriver
or a claw hammer to straighten the tongue.
Figure 2-1 Straightening the tongue
Wooden
panel
Steel edge
Tongue Spanner
Step 2 Remove the cover after straightening all the tongues on the cover, as shown in Figure 2-2.
Figure 2-2 Removing the cover
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Step 3 Straighten all the tongues that join the wooden panels around the wooden case and remove the
wooden panels, as shown in Figure 2-3.
Figure 2-3 Removing the wooden panels
Step 4 After unpacking, place the cabinet aside to unpack other cases.
Pay attention to the following points when carrying the cabinet:
l Four persons are required to carry the cabinet.
l Do not remove the package of the cabinet before carrying the cabinet so that it can prevent
the cabinet surface from being scratched.
l Carry the cabinet carefully and in a horizontal manner. Do not place the cabinet upside down
or drag it on the floor.
l When carrying the cabinet, hold the solid parts of the cabinet, such as the support. Do not
apply pressure when holding the fragile parts, such as the cable rack, cable fixing beams, to
prevent accidents from occurring or to prevent the cabinet from being damaged.
----End
2.2.3 Unpacking the Carton
In general, cartons are used to pack cables, boards, and terminals. This topic describes how to
unpack the carton.
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Precautions
l
When unpacking the carton, take protection measures, for example, wear gloves to protect
your hands.
l
Cut the tapes along the seams of the carton cover by using a knife. Make sure that you cut
only the tapes without damaging the contents of the carton.
l
If the products are wet or rusty, stop unpacking and detect the cause. Report the condition
of the products to the local Huawei representative.
Procedure
Step 1 Read the carton label to obtain the information about the number and the type of the board in
the carton.
Step 2 Cut the straps by using the diagonal pliers.
Step 3 Cut the pressure-sensitive adhesive tapes along the seams of the carton cover by using a knife.
Step 4 Open the carton and take out the foam plates.
Step 5 Cross-check the contents of the box of the board. Ensure that the number of the boards listed on
the labels of the board box is consistent with the number listed on the labels of the carton, and
then take out the board box. Figure 2-4 shows how to unpack the carton.
Figure 2-4 Unpacking the carton
Pressure - sensitive
adhesive tape
Foam plate
Label on the
board box
Foam plate
Strap
Carton label
Board box
----End
2.2.4 Unpacking the Board
The board is packed in the ESD bag. Unpack the board during installation.
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Precautions
CAUTION
Electronic components are sensitive to the ESD. When handling the board, wear the ESD gloves
or the ESD wrist strap that is grounded properly and hold only the edge of the board.
Pay attention to the following points when unpacking the board:
l
Take ESD measures when unpacking the board.
l
Pay attention to the effects that environmental change has on the board. When a board is
moved from a cold and dry place to a hot and damp place, wait for at least 30 minutes before
unpacking. Otherwise, condensed water on the surface may damage the board.
NOTE
The desiccant in the ESD bag is used for absorbing moisture inside the bag.
Procedure
Step 1 Check whether the board package is damaged. If the board packet is damaged, stop unpacking
and report the condition to the local representative office. If the board package is in good
condition, proceed as follows.
Step 2 Wear the ESD gloves or the ESD wrist strap and connect its ground end to the ESD jack on the
cabinet.
Step 3 Unpack each package and check for damages. Figure 2-5 shows how to unpack the board.
Figure 2-5 Unpacking the board
Board box
ESD bag
Board
Step 4 Select one of the following methods for processing the board.
If...
Then...
The board can be installed immediately
Go to Step 5
The board cannot be installed immediately
Go to Step 6
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Step 5 Place all the materials on the antistatic surface to discharge the static electricity, and then install
the board.
Step 6 Use the original package materials for packing the board. Keep them in a dry and cool place,
away from sunlight and strong electromagnetic radiation sources.
----End
2.2.5 Accepting the Product
This topic describes how to check and accept products one by one according to the Packing
List.
Procedure
Step 1 Check the product type and quantity according to the Packing List. Sign the document on site.
Step 2 Check each product according to the Packing List. If there is a mismatch in the number of
packages, or if the cargo is damaged, or if the consignment is wrong, sign the Unpacking
Memo. The project supervisor should also fill in the Cargo Inspection Feedback Form and report
the problem to the local representative office within three days.
Step 3 Store the unpacked product in a room if the product does not match the contents of the Packing
List. Take photographs of the storage site, the rusty or corroded product, and the case or package
material. Archive the photographs and store the empty case and materials.
Step 4 Unpack other packages after confirming the contents of one package.
Step 5 The project supervisor and the customer must sign the Packing List.
----End
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3 Removing the Cabinet Doors
Removing the Cabinet Doors
About This Chapter
Before installing the cabinet, remove the cabinet doors, including the front door and the side
cover.
3.1 Removing the Front Door of the Cabinet
This topic describes how to remove the front door of the cabinet.
3.2 Removing Side Covers
This topic describes how to remove side covers to facilitate the cable routing.
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3.1 Removing the Front Door of the Cabinet
This topic describes how to remove the front door of the cabinet.
Procedure
Step 1 Remove the ground cable that connects to the front door of the cabinet, leaving one end of the
cable on the rack, as shown in Figure 3-1 (1).
Step 2 Pull down the upper hook pin, and pull the front door outwards to remove it, as shown in Figure
3-1 (2) and (3).
Figure 3-1 Removing the front door of the cabinet
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CAUTION
When placing the cabinet door, ensure that the lock is open. This prevents the lower lock rod
from being distorted when it is pulled out.
----End
3.2 Removing Side Covers
This topic describes how to remove side covers to facilitate the cable routing.
Context
NOTE
l Check whether to remove the side cover of the cabinet according to actual conditions, such as the flexibility
of routing external cables.
l For combined cabinets, remove the two outmost side covers only.
Procedure
Step 1 Use a Phillips screwdriver to remove the screws from bottom to top and keep the screws properly,
as shown in Figure 3-2.
Figure 3-2 Removing the screws on side covers
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Step 2 Remove side covers.
Step 3 Use an adjustable wrench to remove the nut that fastens the ground cable of the side panel, and
then disconnect this end of the ground cable. Do not disconnect the other end that is connected
to the cabinet.
Step 4 Lay down the side covers in a proper place.
----End
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4 Installing the Cabinet on a Concrete Floor
Installing the Cabinet on a Concrete Floor
About This Chapter
This topic describes how to install the N63E-22 cabinet on a concrete floor, including marking
reference lines, drilling holes, installing expansion bolts, placing the cabinet, and leveling the
cabinet.
4.1 Outline of the Installed Cabinet
This topic provides the outline of the cabinet installed on a concrete floor.
4.2 Installation Process
Before installing the cabinet, you should be familiar with the process of installing the cabinet
on a concrete floor. Install the cabinet according to the installation process.
4.3 Recommended Tools
To facilitate the installation, arrange for the required installation tools.
4.4 Checking Before the Installation
Before installing the cabinet, check the installation space and the accessories.
4.5 Marking Reference Lines
Before installing the cabinet, confirm the position of the cabinet according to the installation
holes in the concrete floor.
4.6 Drilling Holes
Drill holes before installing the expansion bolts.
4.7 Installing Expansion Bolts
Installing the expansion bolts helps prepare for installing and fastening the cabinet.
4.8 Placing the Cabinet
After installing the expansion bolts, place the cabinet on the planned position, and then prefasten the expansion bolts.
4.9 Leveling the Cabinet
Use the leveling foot to level the cabinet according to the position of the bubble in the spirit
level.
4.10 Fastening the Cabinet
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After leveling the cabinet, fasten the expansion bolts at the bottom of the cabinet to fasten the
cabinet.
4.11 Testing the Resistance
After installing the cabinet, test the resistance between the cabinet and the ground, and check
whether the cabinet is insulated correctly.
4.12 Attaching Cabinets
When installing multiple cabinets, you need to connect the connecting plates at the top of the
cabinet to fasten the cabinets.
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4.1 Outline of the Installed Cabinet
This topic provides the outline of the cabinet installed on a concrete floor.
Figure 4-1 shows a cabinet installed on a concrete floor.
Figure 4-1 A cabinet installed on a concrete floor
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Figure 4-2 shows several cabinets installed on a concrete floor.
Figure 4-2 Several cabinets installed on a concrete floor
4.2 Installation Process
Before installing the cabinet, you should be familiar with the process of installing the cabinet
on a concrete floor. Install the cabinet according to the installation process.
Figure 4-3 shows the process of installing the cabinet on a concrete floor.
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Figure 4-3 Process of installing the cabinet on a concrete floor
Start
Prepare the tools
Check before the installation
Mark reference lines
Drill holes
Install expansion bolts
Place the cabinet
Level the cabinet
Fasten the cabinet
Test the resistance
Attach cabinets
Recover the cabinet
End
1.
Recommended Tools
To facilitate the installation, prepare the required installation tools. Test and adjust the
meters and special tools before using them.
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2.
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Checking Before the Installation
Before installing the cabinet, check the installation space and the accessories.
3.
Marking Reference Lines
Before installing the cabinet, confirm the cabinet position according to the installation holes
in the concrete floor.
4.
Drilling Holes
Drill holes before installing the expansion bolts.
5.
Installing Expansion Bolts
Installing the expansion bolts helps prepare for installing and fastening the cabinet.
6.
Placing the Cabinet
After installing the expansion bolts, place the cabinet into the expansion bolt holes, and
then pre-fasten the expansion bolts.
7.
Leveling the Cabinet
Use the leveling foot to level the cabinet according to the position of the bubble in the spirit
level.
8.
Fastening the Cabinet
After leveling the cabinet, fasten the expansion bolts at the bottom of the cabinet to fasten
the cabinet.
9.
Testing the Resistance
After installing the cabinet, test the resistance between the expansion bolt and the ground
bolt, and check whether the cabinet is grounded correctly.
10. Attaching Cabinets
When installing multiple cabinets, you need to connect the connecting plates at the top of
the cabinet to fasten the cabinets.
11. Recovering the Cabinet
After installing the cabinet, recover the parts that are removed when installing the cabinet.
4.3 Recommended Tools
To facilitate the installation, arrange for the required installation tools.
Arrange for the following tools before installing the cabinet:
4-6
l
Hammer drill
l
Multimeter
l
Claw hammer
l
Rubber hammer
l
Flat-head screwdrivers: M3–M6
l
Phillips screwdrivers: M3–M6
l
Adjustable wrench
l
Socket wrenches: M6, M8, M12, M14, M17 and M19
l
Steel tape
l
Marker pen
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l
Powder marker
l
Spirit level
l
Angle square
l
Vacuum cleaner
l
Ladder
4 Installing the Cabinet on a Concrete Floor
Test and adjust the meters and special tools before using them.
4.4 Checking Before the Installation
Before installing the cabinet, check the installation space and the accessories.
Precautions
Pay attention to the following points when installing the cabinet:
l
Lock the cabinet door before carrying the cabinet to protect the components and cables.
l
Ensure that the cabinet is powered off before the installation.
l
If the cabinet surface is scratched, paint it.
l
Check the cabinet completely before the installation, and rectify the faults in time.
l
After installing the cabinet, clean the cabinet if it is dirty.
l
You can change the installation methods according to the actual situation based on this
guide.
Procedure
Step 1 Check the space in and around the cabinet.
l Reserve a space of 400 mm vertically at the bottom of the cabinet for installing the expansion
bolts. If the space is insufficient, remove certain parts from the lower part of the cabinet. For
how to install and remove the parts, see "Installing and Removing the Shelf."
l Reserve sufficient space around the cabinet for maintenance, ventilation, and heat dissipation.
For more information about the space to be reserved, see "4.5 Marking Reference Lines."
Step 2 Check the quantity of cabinets and accessories.
The accessories include the expansion bolts used for fastening the cabinet.
----End
4.5 Marking Reference Lines
Before installing the cabinet, confirm the position of the cabinet according to the installation
holes in the concrete floor.
You can mark reference lines based on the construction plan drawing or the marking-off plate.
Ensure that the reference lines are marked correctly before the installation. Otherwise, mark the
reference lines again.
4.5.1 Marking Reference Lines Based on the Construction Plan Drawing
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Mark the position of the cabinet based on the construction plan drawing to confirm the positions
of the expansion bolts.
4.5.2 Marking Reference Lines Based on the Marking-off Plate
Mark the position of the cabinet based on the delivered marking-off plate to confirm the positions
of the expansion bolts.
4.5.1 Marking Reference Lines Based on the Construction Plan
Drawing
Mark the position of the cabinet based on the construction plan drawing to confirm the positions
of the expansion bolts.
Construction Plan Drawing
Determine the positions of the expansion bolt holes based on the dimensions of the location and
the positions for installing the cabinet provided in the construction plan drawing. Mark the
position of the cabinet before installing it.
Figure 4-4 shows the construction plan drawing for installing a single cabinet.
Figure 4-4 Construction plan drawing for installing a single cabinet on a concrete floor
Wall or reference object
Left
Right
Back
Unit: mm
≥1000
Front
600
413
187
Cabinet outline
300
4- Φ16
≥100
≥ 800
Expansion
bolt hole
≥ 800
Figure 4-5 shows the construction plan drawing for installing cabinets side by side.
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Figure 4-5 Construction plan drawing for installing cabinets side by side on a concrete floor
Left
Right
Unit: mm
≥1000
Front
Back 4-Φ16
Wall or reference object
Expansion
bolt hole
600
413
≥ 800
≥800
300
187
Cabinet outline
≥100
600
Figure 4-6 shows the construction plan drawing for installing cabinets back to back.
Figure 4-6 Construction plan drawing for installing cabinets back to back on a concrete floor
≥ 1000
600
Unit: mm
Wall or reference
object
413
4 -Φ16
300
300
187
≥ 800
Cabinet outline
≥ 1000
≥ 800
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Procedure
Step 1 Based on the reference object, mark several points by using the measuring tape, and then draw
two parallel lines, with the spacing of 187 mm between them.
Step 2 Mark the position of the first expansion bolt for the cabinet on the two lines.
Step 3 Mark the positions of the other three expansion bolts based on the position of the first expansion
bolt.
Step 4 To install a row of cabinets, refer to the marked hole positions and mark the positions of the
holes for other cabinets one by one.
Step 5 Measure all the lines and check the position of the holes again. Ensure that the dimensions of
the holes are correct.
----End
4.5.2 Marking Reference Lines Based on the Marking-off Plate
Mark the position of the cabinet based on the delivered marking-off plate to confirm the positions
of the expansion bolts.
Precautions
When installing a cabinet next to the existing cabinet, ensure that the edge of the marking-off
plate is in level with the edge of the existing cabinet.
Marking-off Plate
Figure 4-7 shows the marking-off plate.
Figure 4-7 Marking-off plate for a concrete floor
Front
Unit: mm
Left
Right
Expansion bolt hole
Back
187 300
413
600
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Procedure
Step 1 Place the marking-off plate on the floor based on the layout of the cabinet. The semi-circle notch
on the marking-off plate identifies the front direction of the cabinet.
Step 2 Mark holes for all the expansion bolts based on the marking-off plate, that is, four holes for each
cabinet.
----End
4.6 Drilling Holes
Drill holes before installing the expansion bolts.
Precautions
Pay attention to the following when you drill the holes:
l
Use a punch tool to chisel a hole so that you can position the drill bit if the floor is very
hard or slippery.
l
Hold the drill firmly and ensure that the drill bit is vertical to the floor. The drill should be
steady when you drill holes to avoid uneven or slanting holes.
l
Ensure that all the holes are of equal depth.
Procedure
Step 1 Select a Ф16 drill bit.
Step 2 Drill a hole by using a hammer drill on the marked position of the expansion bolt, as shown in
Figure 4-8. The depth of the hole must be equal to the length of the expansion tube plus the
length of the expansion nut, and the depth of the hole should range from 52 mm to 60 mm.
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Figure 4-8 Drilling a hole
Hole depth
Step 3 Remove the dust from the hole by using a vacuum cleaner.
Step 4 Measure the depth of the hole and the distance between the holes. Mark and drill a hole again
if the depth or distance is wrong.
----End
4.7 Installing Expansion Bolts
Installing the expansion bolts helps prepare for installing and fastening the cabinet.
Structure
Figure 4-9 shows the components of an expansion bolt.
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Figure 4-9 Components of an expansion bolt
Flat washer
Spring washer
Expansion bolt
Expansion tube
Guide trough
Expansion nut
Guide rib
Precautions
l
Insert the guide rib into the guide trough beforehand. Otherwise, the expansion bolt cannot
be fastened.
l
Ensure that the expansion tube is completely inserted into the concrete pedestal. The length
of the expansion tube should not exceed the depth of the floor. Otherwise, the installation
of the cabinet is affected.
Procedure
Step 1 Insert the expansion bolt into the hole.
Step 2 Do not fasten the spring washer, flat washer and nut on the expansion bolt very tightly.
Step 3 Knock the expansion bolt by using a rubber hammer or a claw hammer until the expansion tube
is completely inserted into the expansion hole, as shown in Figure 4-10.
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Figure 4-10 Installing an expansion bolt
Step 4 Fasten the expansion bolt clockwise by using a spanner to expand the tube.
Step 5 Remove the spring washer, flat washer, and nut by turning them anticlockwise, as shown in
Figure 4-11.
Figure 4-11 Removing the spring washer, flat washer, and nut
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----End
4.8 Placing the Cabinet
After installing the expansion bolts, place the cabinet on the planned position, and then prefasten the expansion bolts.
Precautions
Pay attention to the following points when placing the cabinet:
l
There are two insulating plates between the cabinet and the floor. The expansion bolt has
an insulating tube. Install the insulating parts correctly during construction so that the entire
device is not connected to the ground before the ground cables are installed.
l
Fine fasten the bolts in turn in a diagonal sequence to reduce the stress between the bolt
and the cabinet.
Procedure
Step 1 Remove the front door.
1.
Remove the ground cable at the front door, leaving one end of the ground cable attached
to the rack, as shown in Figure 4-12 (1).
2.
Pull down the hook pin at the upper part of the door and remove the front door, as shown
in Figure 4-12 (2), (3).
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Figure 4-12 Removing the front door of the cabinet
CAUTION
Remove and place the cabinet door on the floor and keep them unlock. Otherwise, the lower
latch will slide downwards and may bend and snap.
Step 2 Remove the air filter.
4-16
1.
Push the lock of the air filter, as shown in Figure 4-13 (1).
2.
Lift up the air filter slightly and take it out of the slide rail from the bottom of the cabinet,
as shown in Figure 4-13 (2), (3).
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Figure 4-13 Removing the air filter
Step 3 Place the cabinet.
1.
Place the insulating plates on the floor, and align the holes of the insulation plate with the
holes of the expansion bolt. Each cabinet requires two insulating plates, as shown in Figure
4-14 (1).
2.
Place the cabinet on the marked position to align the installation holes of the cabinet with
the holes for the expansion bolts on the ground, as shown in Figure 4-14 (2).
3.
Fit the spring washer, flat washer, and insulation tube on the four expansion bolts. Insert
them into the installation holes and pre-fasten the expansion bolts, as shown in Figure
4-14 (3).
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Figure 4-14 Placing the cabinet
----End
4.9 Leveling the Cabinet
Use the leveling foot to level the cabinet according to the position of the bubble in the spirit
level.
Procedure
Step 1 Place a spirit level in two orthogonal directions on the top of the cabinet, and check whether the
cabinet is leveled according to the position of the bubble in the spirit level, as shown in Figure
4-15 (1).
Step 2 If the cabinet is not leveled, adjust the corresponding leveling foot to level the cabinet, as shown
in Figure 4-15 (2).
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Figure 4-15 Leveling the cabinet
----End
4.10 Fastening the Cabinet
After leveling the cabinet, fasten the expansion bolts at the bottom of the cabinet to fasten the
cabinet.
Procedure
Step 1 Check whether the spring washer, flat washer, and the insulating washer are installed on the bolt
correctly.
Step 2 Fasten the bolt in a diagonal sequence with a torque of 45 Nm, as shown in Figure 4-16.
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Figure 4-16 Fastening the cabinet
----End
4.11 Testing the Resistance
After installing the cabinet, test the resistance between the cabinet and the ground, and check
whether the cabinet is insulated correctly.
Insulation Requirement
The resistance between the cabinet and the ground should be more than five megohms.
Procedure
Step 1 Set the multimeter to the megohm level to measure the resistance between the expansion bolt
and the cabinet, as shown in Figure 4-17.
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Figure 4-17 Testing the resistance
Step 2 Read the measured resistance value.
If...
Then...
The measured resistance value is more than or equal to The resistance testing is complete
5 megohms
The measured resistance value is less than 5 megohms Go to Step 3
Step 3 Remove all installation components, and check whether the insulating components are missing
or whether the insulating components are damaged.
Step 4 Fasten the cabinet and test the resistance again.
----End
4.12 Attaching Cabinets
When installing multiple cabinets, you need to connect the connecting plates at the top of the
cabinet to fasten the cabinets.
Precautions
l
To attach multiple cabinets, proceed with this topic. Otherwise, skip this topic.
l
If multiple cabinets are attached, mark reference lines, install, fasten and attach the cabinets
based on one cabinet.
l
Ensure that the cabinets to be attached are installed.
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Procedure
Step 1 Ensure that the connecting plates are installed at the top of the cabinet.
Step 2 Remove the connecting plates from the top of the cabinet, and then connect them again.
l Install cabinets back to back, as shown in Figure 4-18 (1).
l Install cabinets side by side, as shown in Figure 4-18 (2).
Figure 4-18 Connecting the connecting plates
Step 3 After the cabinets are attached, use the spirit level to check whether they are leveled. If not, level
the cabinets again.
----End
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5
5 Installing the Cabinet on an ESD Floor
Installing the Cabinet on an ESD Floor
About This Chapter
This topic describes how to install the N63E-22 cabinet on an ESD floor.
5.1 Outline of the Installed Cabinet
This topic provides the outline of the N63E-22 cabinet installed on an ESD floor.
5.2 Installation Process
Before installing the cabinet, you should be familiar with the process of installing the cabinet
on an ESD floor. Install the cabinet according to the installation process.
5.3 Recommended Tools
To facilitate the installation, arrange for the required installation tools.
5.4 Checking Before the Installation
Before installing the cabinet, check the installation space and the accessories.
5.5 Marking Reference Lines
Before installing the cabinet, expose the concrete floor by removing the ESD floor. Confirm the
position of the cabinet according to the installation holes in the concrete floor.
5.6 Drilling Holes
Drill holes before installing the expansion bolts.
5.7 Installing Expansion Bolts
Installing the expansion bolts helps prepare for installing and fastening the cabinet.
5.8 Installing the Support
The support is required when you install the cabinet on an ESD floor.
5.9 Placing the Cabinet
After installing the expansion bolts, place the cabinet on the expansion bolt holes.
5.10 Leveling the Cabinet
Use the leveling foot to level the cabinet according to the position of the bubble in the spirit
level.
5.11 Fastening the Cabinet
After leveling the cabinet, fasten the expansion bolts at the bottom of the cabinet to fasten the
cabinet.
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5.12 Testing the Resistance
After installing the cabinet, test the resistance between the cabinet and the ground, and check
whether the cabinet is insulated correctly.
5.13 Attaching Cabinets
When installing multiple cabinets, you need to connect the connecting plates at the top of the
cabinet to fasten the cabinets.
5.14 Recovering the ESD Floor
After installing the cabinet, cut the ESD floor. Use the ESD floor to support the floor holder.
5-2
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5.1 Outline of the Installed Cabinet
This topic provides the outline of the N63E-22 cabinet installed on an ESD floor.
Figure 5-1 shows a single cabinet installed on an ESD floor.
Figure 5-1 A single cabinet installed on an ESD floor
Figure 5-2 shows a row of cabinets installed on an ESD floor.
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Figure 5-2 A row of cabinets installed on an ESD floor
5.2 Installation Process
Before installing the cabinet, you should be familiar with the process of installing the cabinet
on an ESD floor. Install the cabinet according to the installation process.
Figure 5-3 shows the process of installing the cabinet on an ESD floor.
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Figure 5-3 Process of installing the cabinet on an ESD floor
Start
Prepare the tools
Check before the installation
Mark reference lines
Drill holes
Install expansion bolts
Install the support
Place the cabinet
Level the cabinet
Fasten the cabinet
Test the resistance
Attach cabinets
Recover the cabinet
Recover the ESD floor
End
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1.
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Prepare the Tools
To facilitate the installation, prepare the required installation tools. Test and adjust the
meters and special tools before using them.
2.
Checking Before the Installation
Before installing the cabinet, check the installation space and the accessories.
3.
Marking Reference Lines
Before installing the cabinet, expose the concrete floor by removing the ESD floor. Confirm
the cabinet position according to the installation holes in the concrete floor. You can mark
reference lines based on the construction plan drawing or the marking-off plate.
4.
Drilling Holes
Drill holes before installing the expansion bolts.
5.
Installing Expansion Bolts
Installing the expansion bolts helps prepare for installing and fastening the cabinet.
6.
Installing the Support
The support is required when you install the cabinet on an ESD floor.
7.
Placing the Cabinet
After installing the expansion bolts, place the cabinet into the expansion bolt holes.
8.
Leveling the Cabinet
Use the leveling foot to level the cabinet according to the position of the bubble in the spirit
level.
9.
Fastening the Cabinet
After leveling the cabinet, fasten the expansion bolts at the bottom of the cabinet to fasten
the cabinet.
10. Testing the Resistance
After installing the cabinet, test the resistance between the expansion bolt and the ground
bolt, and check whether the cabinet is insulated correctly.
11. Attaching Cabinets
When installing multiple cabinets, you need to connect the connecting plates at the top of
the cabinet to fasten the cabinets.
12. Recovering the Cabinet
After installing the cabinet, recover the removed parts during the installation, such as the
ground cables and the front door.
13. Recovering the ESD Floor
After installing the cabinet, cut the ESD floor. Use the ESD floor to support the floor holder.
5.3 Recommended Tools
To facilitate the installation, arrange for the required installation tools.
Arrange for the following tools before installing the cabinet:
5-6
l
Hammer drill
l
Multimeter
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l
Claw hammer
l
Rubber hammer
l
Flat-head screwdrivers: M3–M6
l
Phillips screwdrivers: M3–M6
l
Adjustable wrench
l
Socket wrenches: M6, M8, M12, M14, M17 and M19
l
Steel tape
l
Marker pen
l
Powder marker
l
Spirit level
l
Angle square
l
Vacuum cleaner
l
Ladder
Test and adjust the meters and special tools before using them.
5.4 Checking Before the Installation
Before installing the cabinet, check the installation space and the accessories.
Precautions
Pay attention to the following points when installing the cabinet:
l
Lock the cabinet door before carrying the cabinet to protect the components and cables.
l
Ensure that the cabinet is powered off before the installation.
l
If the cabinet surface is scratched, paint it.
l
Check the cabinet completely before the installation, and rectify the faults in time.
l
After installing the cabinet, clean the cabinet if it is dirty.
l
You can change the installation methods according to the actual situation based on this
guide.
Procedure
Step 1 Check the space in and around the cabinet.
l Reserve a space of 400 mm vertically at the bottom of the cabinet for installing the expansion
bolts. If the space is insufficient, remove certain parts from the lower part of the cabinet.
l Reserve sufficient space around the cabinet for maintenance, ventilation, and heat dissipation.
For more information about the space to be reserved, see "5.5 Marking Reference Lines."
Step 2 Check the quantity of cabinets and accessories.
The accessories include the expansion bolts used for fastening the cabinet.
----End
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5.5 Marking Reference Lines
Before installing the cabinet, expose the concrete floor by removing the ESD floor. Confirm the
position of the cabinet according to the installation holes in the concrete floor.
You can mark reference lines based on the construction plan drawing or the marking-off plate.
Ensure that the reference lines are marked correctly before the installation.
5.5.1 Marking Reference Lines Based on the Construction Plan Drawing
Mark the position of the cabinet based on the construction plan drawing to confirm the positions
of the expansion bolts.
5.5.2 Marking Reference Lines Based on the Marking-off Plate
Mark the position of the cabinet based on the delivered marking-off plate to confirm the positions
of the expansion bolts.
5.5.1 Marking Reference Lines Based on the Construction Plan
Drawing
Mark the position of the cabinet based on the construction plan drawing to confirm the positions
of the expansion bolts.
Construction Plan Drawing
Determine the positions of the expansion bolt holes based on the dimensions of the location and
the positions for installing the cabinet provided in the construction plan drawing. Mark the
position of the cabinet before installing it.
Figure 5-4 shows the construction plan drawing for installing a single cabinet.
Figure 5-4 Construction plan drawing for installing a single cabinet on an ESD floor
Right
Wall or reference object
Left
Back
Unit: mm
≥ 1000
Front
600
448
200
Cabinet outline
≥100
≥ 800
5-8
Expansion
bolt hole
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300
4- Φ16
≥ 800
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Figure 5-5 shows the construction plan drawing for installing cabinets side by side.
Figure 5-5 Construction plan drawing for installing cabinets side by side on an ESD floor
Left
Right
Unit: mm
≥1000
Front
Back 4-Φ16
Wall or reference object
Expansion
bolt hole
600
448
≥ 800
≥800
300
200
Cabinet outline
≥100
600
Figure 5-6 shows the construction plan drawing for installing cabinets back to back.
Figure 5-6 Construction plan drawing for installing cabinets back to back on an ESD floor
≥ 1000
600
Unit: mm
Wall or
reference object
448
4 -Φ16
300
300
200
≥ 800
Cabinet outline
≥ 1000
≥ 800
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NOTE
After the support is installed, the left, right, and rear sides of the support cannot exceed the dimensions of the
bottom of the cabinet.
Procedure
Step 1 Based on the reference object, mark several points by using the measuring tape, and then draw
two parallel lines, with the spacing of 200 mm between them.
Step 2 Mark the position of the first expansion bolt for the cabinet on the two lines.
Step 3 Mark the positions of the other three expansion bolts based on the position of the first expansion
bolt.
Step 4 To install a row of cabinets, refer to the positions of the marked holes and mark the positions of
the holes for other cabinets one by one.
Step 5 Measure all the lines and check the position of the holes again. Ensure that the dimensions of
the holes are correct.
----End
5.5.2 Marking Reference Lines Based on the Marking-off Plate
Mark the position of the cabinet based on the delivered marking-off plate to confirm the positions
of the expansion bolts.
Precautions
When installing a cabinet next to the existing cabinet, ensure that the edge of the marking-off
plate is in level with the edge of the existing cabinet.
Marking-off Plate of the Cabinet
Figure 5-7 shows the marking-off plate of the cabinet.
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Figure 5-7 Marking-off plate for the ESD floor of the cabinet
Front
Unit: mm
Left
Right
Expansion bolt hole
Back
200 300
448
600
Procedure
Step 1 Place the marking-off plate on the floor based on the layout of the cabinet. The semi-circle notch
on the marking-off plate identifies the front direction of the cabinet.
Step 2 Mark holes for all the expansion bolts based on the marking-off plate, that is, four holes for each
cabinet.
----End
5.6 Drilling Holes
Drill holes before installing the expansion bolts.
Precautions
Pay attention to the following when you drill the holes:
l
Use a punch tool to chisel a hole so that you can position the drill bit if the floor is very
hard or slippery.
l
Hold the drill firmly and ensure that the drill bit is vertical to the floor. The drill should be
steady when you drill holes to avoid uneven or slanting holes.
l
Ensure that all the holes are of equal depth.
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Procedure
Step 1 Select a Ф16 drill bit.
Step 2 Drill a hole by using a hammer drill on the marked position of the expansion bolt, as shown in
Figure 5-8. The depth of the hole must be equal to the length of the expansion tube plus the
length of the expansion nut, and the depth of the hole should range from 52 mm to 60 mm.
Figure 5-8 Drilling a hole
Hole depth
Step 3 Remove the dust from the hole by using a vacuum cleaner.
Step 4 Measure the depth of the hole and the distance between the holes. Mark and drill a hole again
if the depth or distance is wrong.
----End
5.7 Installing Expansion Bolts
Installing the expansion bolts helps prepare for installing and fastening the cabinet.
Structure
Figure 5-9 shows the components of an expansion bolt.
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Figure 5-9 Components of an expansion bolt
Flat washer
Spring washer
Expansion bolt
Expansion tube
Guide trough
Expansion nut
Guide rib
Precautions
l
Insert the guide rib into the guide trough beforehand. Otherwise, the expansion bolt cannot
be fastened.
l
Ensure that the expansion tube is completely inserted into the concrete pedestal. The length
of the expansion tube should not exceed the depth of the floor. Otherwise, the installation
of the cabinet is affected.
Procedure
Step 1 Insert the expansion bolt into the hole.
Step 2 Do not fasten the spring washer, flat washer and nut on the expansion bolt very tightly.
Step 3 Knock the expansion bolt by using a rubber hammer or a claw hammer until the expansion tube
is completely inserted into the expansion hole, as shown in Figure 5-10.
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Figure 5-10 Installing an expansion bolt
Step 4 Fasten the expansion bolt clockwise by using a spanner to expand the tube.
Step 5 Remove the spring washer, flat washer, and nut by turning them anticlockwise, as shown in
Figure 5-11.
Figure 5-11 Removing the spring washer, flat washer, and nut
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----End
5.8 Installing the Support
The support is required when you install the cabinet on an ESD floor.
Procedure
Step 1 Adjust the height of the support.
1.
Adjust the height of the support. Ensure that the height of the support is the same as the
height of the ESD floor.
2.
Fasten the height-locking bolt with a torque of 45 Nm.
Figure 5-12 shows the position of the height-locking bolt.
Figure 5-12 Position of the height-locking bolt
Step 2 Install the support.
1.
Place the slide rails on the support, and align the holes of the slide rails with the installation
holes of the support, as shown in Figure 5-13 (1).
2.
Assemble the support and slide rails together by using the bolt M12 x 30, spring washer
and flat washer, as shown in Figure 5-13 (2).
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3.
Align the position of the support, and measure the length of the diagonals. Ensure that the
length deviation of the diagonals cannot exceed 2 mm, as shown in Figure 5-13 (3).
4.
Fasten all bolts by using the combination wrenches, as shown in Figure 5-13 (4).
Figure 5-13 Installing the support
Step 3 Level and fasten the support.
5-16
1.
Align the installation holes of the support with the holes on the floor and install the four
expansion bolts, as shown in Figure 5-14 (1).
2.
Adjust the support location and check the level of the support by using a spirit level, as
shown in Figure 5-14 (2).
3.
If the support is not horizontal, put pads under the support, as shown in Figure 5-14 (3).
4.
Screw the four expansion bolts to 45N•m with a torque spanner, as shown in Figure
5-14 (4).
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Figure 5-14 Leveling and fastening the support
----End
5.9 Placing the Cabinet
After installing the expansion bolts, place the cabinet on the expansion bolt holes.
Precautions
Pay attention to the following points when placing the cabinet:
l
There are two insulating plates between the cabinet and the floor. The expansion bolt has
an insulating tube. Install the insulating parts correctly during construction so that the entire
device is not connected to the ground before the ground cables are installed.
l
Fine fasten the bolts in turn in a diagonal sequence to reduce the stress between the bolt
and the cabinet.
Procedure
Step 1 Remove the front door.
1.
Remove the ground cable at the front door, leaving one end of the ground cable attached
to the rack, as shown in Figure 5-15 (1).
2.
Pull down the hook pin at the upper part of the door and remove the front door, as shown
in Figure 5-15 (2),(3).
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Figure 5-15 Removing the front door of the cabinet
CAUTION
Remove and place the cabinet doors on the floor and keep them unlock. Otherwise, the
lower latch will slide downwards and may bend and snap.
Step 2 Remove the air filter.
5-18
1.
Push the lock of the air filter, as shown in Figure 5-16 (1).
2.
Lift up the air filter slightly and take it out of the slide rail from the bottom of the cabinet,
as shown in Figure 5-16 (2), (3).
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Figure 5-16 Removing the air filter
Step 3 Place the cabinet.
1.
Place the insulating plates on the support, and align the holes of the insulation plate with
the holes of the support. Each cabinet requires two insulating plates, as shown in Figure
5-17 (1).
2.
Place the cabinet on the support, and align the installation holes of the cabinet with the
holes for the support, as shown in Figure 5-17 (2).
3.
Fit the spring washer, flat washer, and insulation tube on the four expansion bolts. Insert
them into the installation holes and pre-fasten the expansion bolts, as shown in Figure
5-17 (3).
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Figure 5-17 Placing the cabinet
----End
5.10 Leveling the Cabinet
Use the leveling foot to level the cabinet according to the position of the bubble in the spirit
level.
Procedure
Step 1 Place a spirit level in two orthogonal directions on the top of the cabinet, and check whether the
cabinet is leveled according to the position of the bubble in the spirit level, as shown in Figure
5-18 (1).
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Step 2 If the cabinet is not leveled, adjust the corresponding leveling foot to level the cabinet, as shown
in Figure 5-18 (2).
Figure 5-18 Leveling the cabinet
----End
5.11 Fastening the Cabinet
After leveling the cabinet, fasten the expansion bolts at the bottom of the cabinet to fasten the
cabinet.
Procedure
Step 1 Check whether the spring washer, flat washer, and the insulating washer are installed on the bolt
correctly.
Step 2 Fasten the bolt in a diagonal sequence with a torque of 45 Nm, as shown in Figure 5-19.
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Figure 5-19 Fastening the cabinet
----End
5.12 Testing the Resistance
After installing the cabinet, test the resistance between the cabinet and the ground, and check
whether the cabinet is insulated correctly.
Insulation Requirement
The resistance between the cabinet and the ground should be greater than five megohms.
Procedure
Step 1 Set the multimeter to the megohm level to measure the resistance between the bolt and the
cabinet, as shown in Figure 5-20.
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Figure 5-20 Testing the resistance
Step 2 Read the measured resistance value.
If...
Then...
The measured resistance value is larger than or equal The resistance testing is complete
to 5 megohms
The measured resistance value is smaller than 5
megohms
Go to Step 3
Step 3 Remove all installation components, and check whether the insulating components are omitted
or the insulating components are damaged.
Step 4 Fasten the cabinet and test the resistance again.
----End
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5.13 Attaching Cabinets
When installing multiple cabinets, you need to connect the connecting plates at the top of the
cabinet to fasten the cabinets.
Precautions
l
To attach multiple cabinets, proceed with this topic. Otherwise, skip this topic.
l
If multiple cabinets are attached, mark reference lines, install, fasten and attach the cabinets
based on one cabinet.
l
Ensure that the cabinets to be attached are installed.
Procedure
Step 1 Ensure that the connecting plates are installed at the top of the cabinet.
Step 2 Remove the connecting plates from the top of the cabinet, and then connect them again.
l Install cabinets back to back, as shown in Figure 5-21 (1).
l Install cabinets side by side, as shown in Figure 5-21 (2).
Figure 5-21 Connecting the connecting plates
Step 3 After the cabinets are attached, use the spirit level to check whether they are leveled. If not, level
the cabinets again.
----End
5.14 Recovering the ESD Floor
After installing the cabinet, cut the ESD floor. Use the ESD floor to support the floor holder.
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Process
Figure 5-22 shows the process of recovering the ESD floor.
Figure 5-22 Process of recovering the ESD floor
Start
Install the floor holder
Adjust the holder height
Cut and recover the floor
End
Procedure
Step 1 Install the floor holder. Fasten the floor holder to the support by using the bolt M12 x 30, spring
washer and flat washer, as shown in Figure 5-23.
Figure 5-23 Installing the floor holder
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5 Installing the Cabinet on an ESD Floor
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Step 2 Adjust the height of the holder to align the top surface of the holder with the bottom surface of
the ESD floor.
Step 3 Cut and recover the floor. According to the conditions around the cabinet, cut the floor to a
proper size and lay the floor around the cabinet.
----End
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6 Routing Cables
6
Routing Cables
About This Chapter
6.1 Rules for Routing Cables
This topic describes the rules for routing external cables, rules for installing the cables of OT
terminals, rules for bending, bundling, arranging, and routing cables, and rules for routing power
cables and PGND cables.
6.2 Routing External Power Cables and Ground Cables for the B-Type PDU
6.3 Routing External Power Cables and Ground Cables for the C3-Type PDU
6.4 Routing External Power Cables and Ground Cables for the I-Type PDU
6.5 Routing Clock Cable
6.6 Routing Subscriber Cables for the 32-channel service board
6.7 Routing Subscriber Cables for 64-channel service board
6.8 Routing 2-in-1 Subscriber Cables
6.9 Routing Interconnection Cables
6.10 Routing Trunk Cables
6.11 Routing Network Cables
6.12 Notes for Routing Optical Fibers
6.13 Routing Optical Fibers (MSAN)
6.14 Routing Optical Fibers (GPON)
6.15 Routing Optical Fibers (P2P)
6.16 Routing Optical Fibers (P2P, Detail)
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6 Routing Cables
6.1 Rules for Routing Cables
This topic describes the rules for routing external cables, rules for installing the cables of OT
terminals, rules for bending, bundling, arranging, and routing cables, and rules for routing power
cables and PGND cables.
Installing OT Terminals
Abide by the following rules when installing two or more OT terminals on one stud, as shown
in Figure 6-1.
6-2
l
Do not overlap the OT terminals. If there are two or more OT terminals to be installed on
one stud, maintain a 45 degree angle between the two OT terminals.
l
Place the larger OT terminal under the smaller OT terminal.
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Figure 6-1 Installing the OT terminals
Do not place the ring
terminals parallely
Bend one ring terminal 45°
Overlap the ring terminals in
different directions
Do not put the smaller ring
terminal under the larger one
Bending Cables
Abide by the following rules when bending the cables:
l
To prevent the cable cores from being damaged, do not apply too much force when bending
the cables at the turning, especially to the trunk cables and the optical fibers.
l
The bending radius of the cable should be more than twice the size of the cable diameter.
The bending radius near the connector is four to six times the cable diameter.
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l
The bending radius of the optical fiber should be more than 20 times the cable diameter.
In general, the bending radius of the optical fiber is greater than or equal to 40 mm.
Bundling Cables
Abide by the following rules when bundling the cables:
l
Bundle the cables on both sides of the bending radius by using cable ties, as shown in
Figure 6-2.
Figure 6-2 Bundling the cables at the bending radius
Bundle cables at the both
sides of the turning
6-4
Do not bundle cables
at the turning
l
Bundle the cables evenly with equal space between cable ties. Space two adjacent ties 250
mm at most (the subscriber cables should be bundled every 200 mm). When the cables are
bundled outside the cabinet, the space between the cable ties is subject to the space between
the beams (if the beams are not available, the space between the cable ties must be 250 mm
at most).
l
Bundle the cable with the cable ties properly. Do not bundle the cables, especially the optical
fibers, very tightly.
l
Arrange all cable ties in the same direction. The cable ties should not have any sharp points
at the ends.
l
Coil the extra optical fibers and cables neatly.
l
Fix the protective caps on the optical fiber connectors that are not currently used.
l
Ensure that the cable connectors made on site meet the requirements, and are firm, reliable,
and neat.
l
Arrange the bundled cables close to each other, without crossing or twisting them.
l
You may not bundle the cables when the cables pass the side of the subrack, but ensure
that the cables are arranged neatly without crossing or twisting them.
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Arranging Cables
Abide by the following rules when arranging the cables:
l
l
l
l
l
l
Place the cables in a proper order and keep the sheath intact.
Do not apply too much force when bundling the cables.
Route different types of cables separately.
Route the cables according to the construction plan drawing, such as the specifications,
path, cross-sectional area, and position.
Take future maintenance and capacity expansion into account when arranging the cables
and the ports.
Bundle every eight cables together. When less than eight cables are reserved, bundle them
together. Arrange the cables hierarchically. The adjacent binders should be interconnected
to ensure that all cables are arranged together after routing.
Routing Cables
Cables can be routed in the overhead cabling or underfloor cabling.
Abide by the following rules when routing the cables in the overhead cabling:
l
l
l
All cables are laid on the cable tray over the cabinet.
If the distance between the cable tray and the holes at the top of the cabinet is less than or
equal to 0.8 m, route the cables directly through the holes. If the distance between the cable
tray and the holes is more than 0.8 m, you need a climbing ladder to hold the cables to
protect the cables from being damaged.
If the cable ladder is used, the cables should be led through the cable ladder, as shown in
Figure 6-3.
Figure 6-3 Leading the cables through the cable ladder
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l
If the cable trough is used, the cables should be lead downwards from the side of the cable
trough, as shown in Figure 6-4.
Figure 6-4 Leading the cables downwards from the side of the cable trough
Abide by the following rules when routing the cables in the underfloor cabling:
l
All the cables are placed under an ESD floor or routed along the cable trough.
l
When the cables are placed under an ESD floor, the height of cable bundles should not
exceed three-fourth of the net height under an ESD floor.
Routing Power Cables and PGND Cables
l
Do not lead the power cables aerially outdoors. Bury the power cables outdoors or route
the power cables indoors.
l
Insulate the DC terminals and all other parts that are bared.
l
Bind the –48 V power cable and the RTN cable together.
l
Ensure good electrical contact at both ends of the PGND cable. Process both ends of the
cable with anti-corrosion measures.
l
Ensure that the PGND cable is connected properly to the PGND terminal of the power
distribution cabinet or the ground bar in the telecommunications room.
l
If the cable is not long enough, use another cable. Do not connect or weld two cables to
form a longer one.
l
When routing the cables through a metal cable tray, reinforce the insulation measures.
l
Inside the cabinet, do not use the same route for the power cable and the signal cable or do
not cross or twist them. Outside the cabinet, route the power cable and the signal cable on
different cable racks. If routing them on different cable racks is impossible, make sure that
the space between the power cable and the signal cable is larger than 30 mm.
Routing Optical Fibers
l
6-6
If the optical fibers are routed outside the cabinet, take protective measures, such as using
corrugated pipes or guide troughs. The space between the corrugated pipe and the power
cable must be larger than or equal to 30 mm.
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l
If the optical fibers are routed inside the cabinet, do not use the same route for the optical
fibers and the power cable or do not cross or twist them.
l
Fix the protective caps (plugs) on the optical fiber connectors that are not currently used.
l
Smoothen both ends of the corrugated pipe to protect optical fibers.
l
Check whether the optical connector is dirty before the installation. If the optical connector
is dirty, clean the connector with a piece of dust-free cotton cloth or a fiber cleaning box.
l
The metal hole for the optical fibers must have a smooth and round surface.
l
Lead the optical fibers through the corrugated pipe before bringing them into the cabinet.
l
When routing the optical fibers (including leading them through the corrugated pipe), make
sure that the tensile force on the optical fiber does not exceed 100 N.
l
The length of each corrugated pipe inside the cabinet should be less than 100 mm. The
corrugated pipes should be fastened and bundled firmly.
l
The bending radius of the optical fiber should be more than 20 times the cable diameter.
In general, the bending radius of the optical fiber is more than 40 mm.
l
Do not look into the fiber end because the laser radiation can damage your eyes.
l
Place the optical fiber pairs in a proper order and bind them carefully by using the optical
binders. The optical fibers should not have sharp edges.
l
Use the fiber management tray or the cable tie to fasten the optical fibers. The optical fiber
should not have protruding components along its path. Place the large-power heat source
at least 10 mm away from the optical fiber.
l
For the optical fiber that is led into the central office, if the metal reinforcing rib is included,
connect the reinforcing rib properly to the protection ground bar in the telecommunications
room.
Routing Signal Cables
l
To protect the signal cables, install a protective ring on the hole, round the hole, or polish
the hole through which the signal cables pass.
l
Ensure that the cable is long enough to connect to the connecting point. This also prevents
the stress produced at the connecting point. After connecting multiple terminals to a multipin connector, groom the terminals to eliminate the stress of the terminals.
l
Use proper strength to bundle and groom the cables. Ensure that the signal cables are not
distorted as distortion may affect the signal quality.
l
Ensure that the signal cables are not pushed or pulled when opening or closing the rotatable
component such as a door.
l
Ensure that the signal cables do not twist with the power cables.
l
When the signal cables are led into the central office, they pass through the metallic tubes
under the earth and both ends of the metallic tube are grounded. If the outdoor signal cables
cannot be routed in the underfloor cabling, shield the signal cables by leading them through
the metal hose. Ground both ends of the metal hose. In the telecommunications room, the
metal hose can be connected to the protection ground bar in the telecommunications room.
l
Do not bend the trunk cables excessively at the turning to prevent damage to the cable cores.
l
Bundle the extra 75-ohm E1 cables properly to prevent damage to the cable cores.
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6.2 Routing External Power Cables and Ground Cables for
the B-Type PDU
6-8
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6.3 Routing External Power Cables and Ground Cables for
the C3-Type PDU
6-10
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6.4 Routing External Power Cables and Ground Cables for
the I-Type PDU
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6.5 Routing Clock Cable
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6.6 Routing Subscriber Cables for the 32-channel service
board
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6.7 Routing Subscriber Cables for 64-channel service board
6-16
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6.8 Routing 2-in-1 Subscriber Cables
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6.9 Routing Interconnection Cables
6-18
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6.10 Routing Trunk Cables
6-20
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6.11 Routing Network Cables
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6.12 Notes for Routing Optical Fibers
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6.13 Routing Optical Fibers (MSAN)
6-24
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6.14 Routing Optical Fibers (GPON)
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6.15 Routing Optical Fibers (P2P)
6-26
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6.16 Routing Optical Fibers (P2P, Detail)
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7 Ending Installation
7
Ending Installation
About This Chapter
In the end phase of device installation, you need to seal cable holes, install the cabinet door, and
check device installation and perform the power-on check.
7.1 Sealing Cable Holes
After routing the cables, seal the cable holes to prevent rodents or insects from entering the
cabinet and to fasten the cables.
7.2 Installing the Cabinet Door
After installing the hardware, install the cabinet door again.
7.3 Marking the Cabinet
Use a label to mark each cabinet after installing the cabinet.
7.4 Checking the Installation
After the hardware installation, you need to check the installation, and ensure that the installation
quality is good.
7.5 Powering On the Device
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7.1 Sealing Cable Holes
After routing the cables, seal the cable holes to prevent rodents or insects from entering the
cabinet and to fasten the cables.
7.1.1 Sealing Holes for Power Cables and Ground Cables
This topic describes how to seal the holes for the power cables and the ground cables on the top
of the cabinet.
7.1.2 Sealing Holes for Optical Fibers
Seal the corrugated pipe after connecting the optical fibers to prevent the optical fibers from
being damaged and to prevent foreign object from entering the cabinet through the corrugated
pipe.
7.1.1 Sealing Holes for Power Cables and Ground Cables
This topic describes how to seal the holes for the power cables and the ground cables on the top
of the cabinet.
Cut the plastic cover according to the cross-sectional area occupied by the power cables and the
ground cables at the hole. Install the rest of the plastic cover on the cable hole to seal the hole.
7.1.2 Sealing Holes for Optical Fibers
Seal the corrugated pipe after connecting the optical fibers to prevent the optical fibers from
being damaged and to prevent foreign object from entering the cabinet through the corrugated
pipe.
The optical fibers are lead into the corrugated pipe, and then routed into the cabinet. After routing
the optical fibers, use an adhesive tape to seal the entry of the corrugated pipe.
7.2 Installing the Cabinet Door
After installing the hardware, install the cabinet door again.
7.2.1 Installing the Front Door of the Cabinet
This topic describes how to install the front door of the cabinet.
7.2.2 Installing Side Covers
Install the side cover after routing cables.
7.2.1 Installing the Front Door of the Cabinet
This topic describes how to install the front door of the cabinet.
Procedure
Step 1 Install the air filter at the bottom of the cabinet as follows.
7-2
1.
Push the air filter into the bottom of the cabinet along the slide rails.
2.
Press down the air filter to the buckles, as shown in Figure 7-1.
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Figure 7-1 Installing the air filter
Step 2 Install the front door of the cabinet
1.
Align the door with the front of the column, and ensure that the lock is open.
2.
Place the door on the lower door lintel to be in contact with the column. The lower axle pin
is automatically seated into the installation hole corresponding to the lower door lintel.
3.
Press the upper axle pin, and slightly push the top of the door inwards. Then, the upper axle
pin ejects automatically and is seated into the corresponding upper installation hole, as
shown in Figure 7-2.
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Figure 7-2 Installing the front door of the cabinet
4.
7-4
Connect the ground cable between the front door of the cabinet and the cabinet, as shown
in Figure 7-3.
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Figure 7-3 Connecting the ground cable
----End
7.2.2 Installing Side Covers
Install the side cover after routing cables.
Procedure
Step 1 Connect the ground cable between the side cover of the cabinet and the cabinet.
Step 2 Install the side cover of the cabinet to the cabinet, and fasten the screws that are used for fastening
the side cover of the cabinet by using the Phillips screwdriver from top downward, as shown in
Figure 7-4.
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Figure 7-4 Installing the screws on side covers
----End
7.3 Marking the Cabinet
Use a label to mark each cabinet after installing the cabinet.
Context
You can use a label or a list to mark the cabinet. Choose one of them according to actual
conditions.
Procedure
Step 1 You can print or write the cabinet information on the label. The cabinet information includes
the cabinet name, cabinet function, owner, and contact.
Step 2 Attach the cabinet label to the upper left of the front door of the cabinet.
----End
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7.4 Checking the Installation
After the hardware installation, you need to check the installation, and ensure that the installation
quality is good.
7.4.1 Checking the Cabinet Installation
After installing the cabinet, check the installation quality.
7.4.2 Checking the Internal Connections (MSAN)
This topic describes the internal connections of the N63E-22 cabinet.
7.4.3 Checking the Signal Cable Routing
After connecting signal cables, check whether the cables are connected, bundled, bent correctly,
and whether the labels are attached correctly.
7.4.4 Checking the Installation of Terminal, Alarm box, and NMS
After installing the cabinet, check whether the terminal, alarm box, and NMS can work in the
normal state.
7.4.5 Checking the Power and the Grounding
Connecting power cables and ground cables correctly can protect the device from lightning
strikes.
7.4.6 Checking the Installation Environment
After the hardware installation, check whether the installation environment of the
telecommunications room can meet the requirements for the long-term running of the device.
7.4.7 Checking the Telecommunications Room
Before performing the power-on check, check other items, such as testing the hardware, and
checking the fastening positions of the spare parts and the reserved cables.
7.4.8 Checking the Connectivity of the Cables
After connecting the cables, perform the connectivity test and ensure that the signals are
transmitted effectively.
7.4.1 Checking the Cabinet Installation
After installing the cabinet, check the installation quality.
Table 7-1 lists the checklist of the cabinet installation.
Table 7-1 Checklist of the cabinet installation
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No.
Description
Method
1
The cabinet (chassis) must be stable, and must comply with the
shockproof requirements in the project files.
Observe
2
Each support (foot) must be secured correctly to all the
expansion bolts in the ground. Insulating pads, big flat washers,
spring washers, and nuts (bolts) must be installed in the correct
sequence. The installation holes of the support (foot) cooperate
with the expansion bolts properly.
Observe
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No.
Description
Method
3
The cabinet accessories must be installed correctly and
properly. The door and the door lock must open and close
properly.
Observe
4
The appearance of the cabinet should not be distorted. No part
of any cabinet is deformed.
Observe
5
The active parts of the cabinet must function in the normal state.
Observe
6
Other connecting bolts of the cabinet must be installed correctly
and properly. The flat washers and the spring washers must be
installed in the correct sequence (install the flat washers, and
then install the spring washers).
Refer to this
document
7
The paint on the surface of cabinet should not flake, there
should not be any dent on the surface of the cabinet, and the
surface of the cabinet should not be dirty. Otherwise, paint the
cabinet again or clean it.
Observe
8
All cable holes must be sealed.
Observe
9
The cabinet (chassis) must be placed according to the project
files.
Check the
installation
position
10
Insulating parts must be installed between the delivered support
(foot filling pad) and the ground, floor holder and slide rail
according to the requirements. Ensure that the insulation is
provided. The filling pad made by the customer must meet the
requirements.
Observed and
confirmed by the
customer
11
The vertical deviation of the cabinet must be less than 3 mm
(you can use the plumb to measure the vertical deviation).
Measure
12
The cabinet rows near the main aisle must be aligned in a
straight line, with a deviation of less than 5 mm.
Measure
13
The surfaces of the cabinets in a row must be in one plane, and
the cabinets must be installed close to each other and in proper
order.
Observe
14
The boards can be inserted and removed smoothly. If the front
panel of the board has screws, fasten the screws properly so that
it is easy to remove them when required. The spring wires must
be intact.
Refer to this
document
15
There should be no redundant objects such as cable ties and
screws inside the cabinet, at the bottom of the cabinet, or on the
top of the cabinet.
Observe
16
The floor gaps around the cabinet are filled. There should not
be any cable ties, screws, or other redundant objects under the
floor.
Observe
17
Connect the ESD wrist strap to the ESD jack on the cabinet.
Observe
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7.4.2 Checking the Internal Connections (MSAN)
This topic describes the internal connections of the N63E-22 cabinet.
NOTE
Internal cables are installed before delivery, and they are delivered with the entire device, including the
cabinet, subrack, and board.
The working ground and the protection ground of the room share one ground body.
Internal Connection (I-Type PDU Adopted)
Table 7-2 describes the internal connections of the N63E-22 cabinet that is configured with two
service subracks.
Table 7-2 Internal connections of the N63E-22 cabinet that is configured with two service
subracks (I-type PDU adopted)
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Cable
Connection Position 1
Connection Position 2
–48 V feeder cable
NEG11 (–) and RTN11 (+) on
the PDU
Socket on the power board in slot 21
of the first service subrack (from
bottom to top)
–48 V feeder cable
NEG12 (–) and RTN12 (+) on
the PDU
Socket on the power board in slot 22
of the first service subrack (from
bottom to top)
–48 V feeder cable
NEG31 (–) and RTN31 (+) on
the PDU
Socket on the power board in slot 21
of the second service subrack (from
bottom to top)
–48 V feeder cable
NEG32 (–) and RTN32 (+) on
the PDU
Socket on the power board in slot 22
of the second service subrack (from
bottom to top)
Environment
monitoring cable
Port COM2 on the PDU
ESC port on the control board in the
first service subrack (from bottom to
top)
PGND feeder cable
Ground point at the bottom
enclosure frame of the cabinet
Ground point on the front of the
cabinet
PGND feeder cable
Ground point at the bottom
enclosure frame of the cabinet
Ground point on the side cover of
the cabinet
PGND feeder cable
Ground point at the top
enclosure frame of the cabinet
Ground point on the rear of the
cabinet
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Internal Connection (B-Type PDU Adopted)
Table 7-3 describes the internal connections of the N63E-22 cabinet that is configured with two
service subracks.
Table 7-3 Internal connections of the N63E-22 cabinet that is configured with two service
subracks (B-type PDU adopted)
Cable
Connection Position 1
Connection Position 2
–48 V feeder cable
The first 48V1 terminal and
BGND terminal of the PDU
Socket on the power board in slot 21
of the first service subrack (from
bottom to top)
–48 V feeder cable
The second 48V1 terminal and
BGND terminal of the PDU
Socket on the power board in slot 22
of the first service subrack (from
bottom to top)
–48 V feeder cable
The first 48V3 terminal and
BGND terminal of the PDU
Socket on the power board in slot 21
of the second service subrack (from
bottom to top)
–48 V feeder cable
The second 48V3 terminal and
BGND terminal of the PDU
Socket on the power board in slot 22
of the second service subrack (from
bottom to top)
7.4.3 Checking the Signal Cable Routing
After connecting signal cables, check whether the cables are connected, bundled, bent correctly,
and whether the labels are attached correctly.
Table 7-4 lists the checklist of signal cables.
Table 7-4 Checklist of signal cables
7-10
No.
Description
Method
1
If the fiber patch cords are routed outside the cabinet, protection
measures must be taken, such as the corrugated pipes or the
guide troughs must be used.
Observe
2
The connecting points of the fiber patch cords should be clean. Observe
Unused optical connectors and optical ports on the board must
be covered with protective caps (or plugs). When cleaning the
patch cords, clean them according to the requirements.
3
Cables must not be damaged, broken, or joint.
Observe
4
The cable connectors should be clean, and should not be
damaged. The connectors made on site must comply with the
requirements. All the connectors should be connected correctly
and properly.
Observe
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No.
Description
Method
5
Each cable must pass the conductivity test.
Test
6
Bundle or fix the cables for expansion to the reserved place in
the cabinet for further capacity expansion.
Observe
7
Protect the unused connectors, such as by using protective caps.
Observe
8
Cables must not be routed over the dissipation net of the
cabinet.
Observe
9
Routing of the fiber patch cords:
Observe
l The patch cords must not be fastened very tightly or twisted
when being bent. The patch cord pairs must be bundled
properly.
l The patch cords can be pulled freely when tied with cable
ties. The patch cords must not be bent at right angle.
l Other cables or parts must not be placed on the patch cords.
10
Cables must be routed according to the engineering design.
Observe
11
Cables must be bundled properly with equal space between
cable ties. The cable ties must be neat, and must not have sharp
edges. Cut the extra parts on cable ties.
Observe
12
Cables must be routed correctly inside the cabinet.
Observe
13
Routing of the cables outside the cabinet:
Observe
l All the cables must be routed properly without any
crossover or twisted.
l When guide troughs are used, the cables may not be
bundled, but must be routed inside the guide troughs.
l When cable ladders are used, the cables must be fastened to
the horizontal beams of the cable ladders. The cables must
be bundled neatly in a rectangle (single-core cables can be
bundled in a circle). If the cabling frame is 0.8 m or more
higher than the cabinet top, a cable ladder should be
available on the cabinet top to support the cables.
l When cables are routed under the floor, the cables must not
exceed 75% of the net height under the ESD floor.
l If guide troughs are not used, the cables must be bundled in
a rectangle (single-core cables can be bundled in a circle).
Issue 01 (2011-01-15)
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The length of the corrugated pipe inside the cabinet must be
shorter than 10 cm, and the corrugated pipe must be fastened
and bundled properly. The notch of the corrugated pipe must
be smooth. Use the insulating tapes for cut resistant measures.
Observe
15
When bending cables, ensure that the cables are arranged
neatly. Take protection measures when connecting the cables
with edged ports. For example, use the adhesive tape to wrap
the cable or the mechanical part where they are in contact.
Observe
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No.
Description
Method
16
The cable labels must be filled in correctly and attached
properly. The cable labels must be neat, and must face the same
direction. It is recommended that you attach cable labels 2 cm
away from the connector. Cable labels can be made in batches
according to the requirements of the customer.
Observed and
confirmed by the
customer
7.4.4 Checking the Installation of Terminal, Alarm box, and NMS
After installing the cabinet, check whether the terminal, alarm box, and NMS can work in the
normal state.
Table 7-5 lists the checklist of the terminal installation.
Table 7-5 Checklist of the terminal installation
7-12
No.
Description
Method
1
The delivered alarm monitoring system, such as MDFs, batteries, and
alarm box must be connected correctly and properly. Protective units
on the MDF must work in the normal state and must be grounded
properly.
Observe
2
The NMS device should be installed correctly and must be working
properly.
Observe
3
The floppy drive, CD-ROM, keyboard, mouse, and monitor must work
normally. The monitor does not have magnetic deviation.
Observe
4
The delivered terminals, NMSs, alarm boxes, and inverters must be
installed according to the engineering design.
Observe
5
The shell of the maintenance terminal must be grounded properly.
Observe
6
The cables of the terminal, NMS, and alarm box must be bundled
properly. Cut the redundant parts of the cable ties neatly.
Observe
7
The cables of the terminal, NMS, and alarm box must be smooth at the
bending for proper contact.
Observe
8
You should be able to open the front cover of the alarm box smoothly.
The keyboard lock must have control functions. The paint on the alarm
box must not flake.
Observe
9
A PVC trough should be installed for power cables and signal cables
of the alarm box near the wall. The redundant parts must be placed
under the floor or on the cable rack beside the box.
Observe
10
The alarm box must be grounded properly.
Observe
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7.4.5 Checking the Power and the Grounding
Connecting power cables and ground cables correctly can protect the device from lightning
strikes.
Table 7-6 lists the checklist of power cables and ground cables.
Table 7-6 Checklist of power cables and ground cables
No.
Description
Method
1
Power cables and ground cables should be connected
correctly and properly.
Observe
2
Delivered surge protector should be installed correctly.
Reserve 5 m to 10 m of the AC power cable from the surge
protector to the device. The redundant part should be coiled.
Observe
3
Power cables or ground cables must be whole copper core
cables without any joint on the cable.
Observe
4
Power cables and ground cables should be properly
connected with the lugs.
Observe
5
Power cables, ground cables, and signal cables must be
routed separately inside the cabinet. The space between
power cables, ground cables, and the signal cables outside
the cabinet must conform to the engineering design. It is
recommended that the space between the cables be more than
3 cm.
Observe
6
When connecting the power cables and the ground cables to
the DC power distribution cabinet, cut the redundant parts.
The cables cannot be coiled.
Observe
7
The PGND cables of the MDF and the DDF must be
connected properly. Adjacent MDFs or DDFS must be
interconnected to the protection ground busbar.
Observe
8
The cross-sectional area of power cables, ground cables, and
equipotential cables between cabinets must meet the power
distribution requirements:
Observe
l Check whether the cross-sectional area is consistent with
the delivery.
l Check whether the cross-sectional area meets the
installation requirements.
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Equipotential cables between the combined cabinets should
be connected correctly and properly.
Measure
10
OT terminaltails of power cables and ground cables and the
bare wires must be wrapped with protection pipe or
insulating tape. There should not be any bare parts on lugs
or terminals. Flat washers and spring washers must be
installed correctly.
Observe
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No.
Description
Method
11
All devices with metal shell or partial metal shell inside the
cabinet or chassis should be connected to the protection
ground correctly.
Measure
12
Delivered power supply systems, such as batteries must be
installed according to the engineering design.
Observe
13
Power cables and ground cables should be routed according
to the engineering design and should facilitate maintenance
and expansion in the future.
Observe
14
Colors of power cables and ground cables must be consistent
with the delivery, or must meet the requirements of the
customer.
Observe
15
Ground cables must be connected correctly and properly on
the cabinet door.
Measure
16
The routed power cables and ground cables must be bundled
neatly and in a straight line.
Observe
17
Power cables and ground cables must be smooth at the
turning. Adopt protection measures when connecting cables
with edged ports.
Observe
18
The power-on process of the device is normal, the fans rotate
in the normal state, and the alarms should be normal.
Observe
19
The length of the ground cable must be within 10 m.
Measure
7.4.6 Checking the Installation Environment
After the hardware installation, check whether the installation environment of the
telecommunications room can meet the requirements for the long-term running of the device.
Table 7-7 lists the checklist of the installation environment.
Table 7-7 Checklist of the installation environment
7-14
No.
Description
Method
1
AC power parameters meet the requirements for the long-term
running of the device. The AC power supply system is equipped
with the surge protector. The surge protector is grounded properly.
DC power parameters meet the requirements for the long-term
running of the device.
Confirmed by
the customer
2
The shield layer of the external subscriber cable is grounded
correctly.
Confirmed by
the customer
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No.
Description
Method
3
PGND cables of the AC power supply are connected properly to
the AC protection ground busbar, and PGND cables of the DC
power supply are connected properly to the DC protection ground
busbar. GND busbar and PGND busbar provided by the customer
are connected to the same ground body.
Confirmed by
the customer
4
The ground resistance of the telecommunications room is less than
10 ohms. The ground resistance should comply with the national
or local regulations.
Confirmed by
the customer
(according to
the level of the
telecommunica
tions room)
5
For the cross-sectional area and the power mode of the PGND
cable of the customer, GND cable of the primary power, and –48
V cable to the power distribution cabinet or power distribution unit
(PDU), the engineering design or actual delivery of Huawei
counts. The requirements on for running the device and the
requirements for expansion in the future are met.
Confirmed by
the customer
6
The output current fuse of the power distribution cabinet and the
primary power must meet the requirements for running the device.
Confirmed by
the customer
7
Do not rout outdoor cables to the telecommunications room in the
overhead mode. Otherwise, adopt lightning-proof measures when
routing the outdoor cables to the telecommunications room in the
overhead mode.
Observe
7.4.7 Checking the Telecommunications Room
Before performing the power-on check, check other items, such as testing the hardware, and
checking the fastening positions of the spare parts and the reserved cables.
Table 7-8 lists the checklist of the telecommunications room.
Table 7-8 Checklist of the telecommunications room
Issue 01 (2011-01-15)
No.
Description
Method
1
The telecommunications room is clean and neat. Sundries such as
discarded packing cases are removed. Redundant spare parts are
placed in order.
Observe
2
Configure the fire retardant cover for the reserved holes on the
equipment floor, and ensure that the holes can be sealed for
insulation.
Observe
3
Adopt fire retardant materials for the new decoration in the
telecommunications room.
Observe
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No.
Description
Method
4
The fire-fighting equipment is available in the telecommunications room, such as the fire extinguisher.
Observe
7.4.8 Checking the Connectivity of the Cables
After connecting the cables, perform the connectivity test and ensure that the signals are
transmitted effectively.
Table 7-9 lists the checklist of the connectivity of cables.
Table 7-9 Checklist of the connectivity of cables
7-16
No.
Description
1
The trunk cables from the cabinet to the DDF are connected according to the
Engineering Design.
2
The subscriber cables from the cabinet to the MDF are connected correctly. Check
the connectivity of the cables for each pair on the MDF by using a multimeter
according to the following method.
3
The optical fibers from the cabinet to the ODF are connected correctly.
4
The network cables from the cabinet to the MDF are connected correctly.
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7.5 Powering On the Device
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A
A Specifications of the N63E-22 Cabinet
Specifications of the N63E-22 Cabinet
This topic provides the dimensions and weight of the N63E-22 cabinet.
Table A-1 lists the dimensions and weight of the N63E-22 cabinet.
Table A-1 Dimensions and weight of the N63E-22 cabinet
Issue 01 (2011-01-15)
Cabinet
Dimensions (W x D x H)
Weight (Empty
Cabinet)
N63E-22 cabinet
600.00 mm x 300.00 mm x
2200.00 mm
45.00 kg
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B
B Installing an Indoor Cable Rack
Installing an Indoor Cable Rack
This section describes how to install an indoor cable rack.
NOTE
l A cable rack consists of a cable ladder and a cable tray (optional).
l It is recommended to use a 400 mm cable ladder over the cabinet and not to use a cable tray. This
facilitates the cabinet cabling and heat dissipation.
B.1 Introduction to an Indoor Cable Rack
This section describes the specifications and components of an indoor cable rack and the tools
for installing an indoor cable rack.
B.2 Process for Installing an Indoor Cable Rack
This section describes the process for installing an indoor cable rack.
B.3 Installing an Indoor Cable Rack
According to the positions for fixing an indoor cable rack, you can choose ceiling-based
installation or ground-based installation or install the cable rack against the wall.
B.4 Installing a Grounding Cable
A grounding cable is required when you install an indoor cable.
B.5 Other Methods for Connecting Cable Ladders
In practice, you may need to assemble two cable ladders horizontally, turn the cable ladder
upright, connect the cable ladder to the wall, or lay the cable ladder upwards or downwards.
B.6 Installing a Cable Tray
This topic describes how to install a cable tray.
B.7 Installing Accessories
This section describes how to install the accessories of a cable rack.
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B Installing an Indoor Cable Rack
B.1 Introduction to an Indoor Cable Rack
This section describes the specifications and components of an indoor cable rack and the tools
for installing an indoor cable rack.
Specifications
When cables are led from the top of the cabinet, it is recommended to install a cable rack in the
equipment room. All the cables in the equipment room can be laid on the cable rack. In general,
a cable rack consists of a cable ladder, with a cable tray as an optional component.
The specification of Cable ladder and cable tray is 400 mm.
For delivery, the cable ladder is 2.5 m long and the cable tray is 2 m long.
Components
Table B-1 shows the components for installing a cable rack.
Table B-1 Components for installing a cable rack
Component
Appearance
Cable ladder
Bracket angle
Cable-through
rack
B-2
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Component
B Installing an Indoor Cable Rack
Appearance
U-steel
Cable tray
U-shaped
connecting
piece
Connecting clip
Fixing clip
Movable
bushing
End cover
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Component
Appearance
deltoid frame
Tools
Table B-2 lists the tools for installing a cable rack.
Table B-2 Tools for installing a cable rack
Type
Tool
Measuring tools
Measuring tape, ruler (1 m), angle square, spirit level, vertical analyzer,
and multimeter
Marking tool
Marker pen
Drilling tools
Percussion drill, matched drill bits (Ф10 bit), and vacuum cleaner
Clamping tools
Combination wrench M8, socket wrench, and torque spanner
Pliers
Handsaw
Auxiliary tools
Brush, ladder, rubber hammer, and claw hammer
B.2 Process for Installing an Indoor Cable Rack
This section describes the process for installing an indoor cable rack.
Figure B-1 shows the process for installing an indoor cable rack.
B-4
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Figure B-1 Process for installing an indoor cable rack
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B Installing an Indoor Cable Rack
B.3 Installing an Indoor Cable Rack
According to the positions for fixing an indoor cable rack, you can choose ceiling-based
installation or ground-based installation or install the cable rack against the wall.
l
Ceiling-based installation: installing the cable rack by fixing suspenders to the ceiling
l
Ground-based installation: installing the cable rack by fixing support levers to the ground
l
Install the cable rack against the wall: installing the cable rack by deltoid frames against
the wall
CAUTION
l The spacing between two angles connecting pieces is 440 mm. The spacing between the
suspenders must be an integral multiple of 50 mm. The recommended spacing is 1250 mm.
l For ceiling-based installation or ground-based installation, suspenders or support levers must
be installed outside the cable ladder to facilitate installation of a cable tray.
B.3.1 Ceiling-Based Installation
This section describes the procedure for ceiling-based installation.
B.3.2 Installing an Indoor Cable Rack on the Ground
This section describes how to install an indoor cable rack on the ground.
B.3.3 Installing an Indoor Cable Rack Against the Wall
If an indoor cable rack is placed close to the wall, you can install it against the wall.
B.3.1 Ceiling-Based Installation
This section describes the procedure for ceiling-based installation.
Procedure
Step 1 Determine the position for installing the cable rack according to the engineering files.
Step 2 Determine the positions for installing bracket angles and mark the positions for drilling holes.
See Figure B-2.
Figure B-2 Distance between bracket angles
B-6
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Step 3 Select a Ф10 bit to drill holes at the marked positions, with the hole depth of 60 mm to 65 mm.
See Figure B-3.
CAUTION
When drilling holes, wear safety glasses to prevent injuries to your eyes.
Figure B-3 Drilling holes
Step 4 Install the M8x80 expansion bolt.
1.
Secure a nut onto an expansion tube to fix the expansion tube.
2.
Knock the expansion bolt vertically into the hole by using a claw hammer. Ensure that the
flat washer is attached to the ceiling.
3.
Fasten the expansion bolt slightly by using a socket spanner.
4.
Remove the nut, spring washer, and flat washer from the expansion bolt.
Step 5 According to the height between the cable rack and the ceiling of the equipment room, cut the
U-steel with a proper length as the suspender. Then paint the cut surface.
NOTE
When the required length exceeds 2.5 m, you can connect two U-steels together. For details on the
connection method, see B.5.1 Assembling Cable Ladders.
Step 6 Use the M8x20 bolt and M8 nut to install bracket angles on to both ends of the suspender.
CAUTION
When you fix the suspenders, use big flat washers instead of the flat washers accompanying the
expansion bolts.
Step 7 Fit the insulating plate, angle connecting piece, insulating washer, big flat washer, spring washer,
and M8 nut onto the expansion bolt.
Step 8 Fasten the M8 nut to 13 N·m with a torch spanner.
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CAUTION
When the cable ladder is equipped with a cable tray, an M8x20 bolt is required to connect the
suspender with the bracket angle. Install the bolt into an upper hole on the suspender. The
distance between the bolt and the cable ladder shall be greater than 40 mm. See Figure B-4.
Step 9 Fasten the M8x20 bolt and M8 nut to 13 N·m with a torch spanner to fasten the cable ladder to
the bracket angle.
Step 10 Use the spirit level to check the levelness of the cable ladder. If the cable ladder is not level,
adjust the elliptical holes on the suspenders and those on the bracket angles.
Figure B-4 Ceiling-based installation
When there is an obstacle on the ceiling, you can fix a U-steel as the beam onto the cable ladder.
See Figure B-5.
B-8
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Figure B-5 Ceiling-based installation when there is an obstacle on the ceiling
----End
B.3.2 Installing an Indoor Cable Rack on the Ground
This section describes how to install an indoor cable rack on the ground.
Procedure
Step 1 Determine the position for installing the cable rack according to the engineering files.
Step 2 Determine the positions for installing bracket angles and mark the positions for drilling holes.
See Figure B-6.
Figure B-6 Distance between bracket angles
Step 3 Select a Ф10 bit to drill holes at the marked positions, with the hole depth of 60 mm to 65 mm.
See Figure B-7.
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Figure B-7 Drilling holes
Step 4 Install the M8x80 expansion bolt.
1.
Secure a nut onto an expansion tube to fix the expansion tube.
2.
Knock the expansion bolt vertically into the hole by using a claw hammer. Ensure that the
flat washer is attached to the ground.
3.
Fasten the expansion bolt slightly by using a socket spanner.
4.
Remove the nut, spring washer, and flat washer from the expansion bolt.
Step 5 According to the height between the cable rack and the ceiling of the equipment room, cut off
a U-steel of a proper length as the support lever. Then paint the cut surface.
NOTE
When the required length exceeds 2.5 m, you can connect two U-steels together. For details on the
connection method, see B.5.1 Assembling Cable Ladders.
Step 6 Use the M8x20 bolt and M8 nut to install bracket angles on to both ends of the support lever.
CAUTION
When you fix the support levers, use big flat washers instead of the flat washers accompanying
with the expansion bolts.
Step 7 Fit the insulating plate, angle connecting piece, insulating washer, big flat washer, spring washer,
and M8 nut onto the expansion bolt.
Step 8 Fasten the M8 nut to 13 N·m with a torch spanner.
CAUTION
When the cable ladder is equipped with a cable tray, an M8x20 bolt is required to connect the
support lever with the bracket angle. Install the bolt into a lower hole on the support lever. The
distance between the bolt and the cable ladder shall be greater than 40 mm. See Figure B-8.
Step 9 Fasten the M8x20 bolt and M8 nut to 13 N·m with a torch spanner to fasten the cable ladder to
the bracket angle.
Figure B-8 shows the ground-based installation.
B-10
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Figure B-8 Ground-based installation
When the span between the support levers is wide, fix a U-steel as the beam onto the cable ladder.
See Figure B-9.
Figure B-9 Fixing a U-steel as the beam onto the cable ladder
----End
B.3.3 Installing an Indoor Cable Rack Against the Wall
If an indoor cable rack is placed close to the wall, you can install it against the wall.
Procedure
Step 1 Determine the position for installing the cable rack according to the engineering files.
Step 2 Determine the position for installing the deltoid frame and mark the positions for drilling holes.
See Figure B-10.
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B Installing an Indoor Cable Rack
Figure B-10 Distance between deltoid frames
Step 3 Select a Ф12 bit to drill holes at the marked positions, with the hole depth of 60 mm to 65 mm.
See Figure B-11.
CAUTION
Ensure that the wall is load bearing.
Figure B-11 Drilling holes
60mm-65mm
90 。
Step 4 Install the M8x80 expansion bolt.
1.
Secure a nut onto an expansion tube to fix the expansion tube.
2.
Knock the expansion bolt vertically into the hole by using a claw hammer. Ensure that the
flat washer is attached to the floor.
3.
Fasten the expansion bolt slightly by using a socket spanner.
4.
Remove the nut, spring washer, and flat washer from the expansion bolt.
Step 5 Put the insulating plate onto the expansion bolt.
Step 6 Put the expansion bolts through the installation holes on the vertical beam of the deltoid frame.
Fit the insulating washer, big flat washer, spring washer, and M8 nut onto each expansion bolt.
Step 7 Fasten the M8 nut to 13 N·m with a torch spanner.
Step 8 Place the cable ladder on the beam of the deltoid frame. Align the holes at the lower side of the
U-steel of the cable ladder with the installation holes on the beam of the deltoid frame. Fasten
the M8x20 bolt and M8 nut to 13 N·m with a torch spanner. See Figure B-12.
B-12
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B Installing an Indoor Cable Rack
Figure B-12 Installing the cable rack against the wall
M8 Nut
M8
M8
Combinati
on
spanner
13 ± 2N•m
M8 Bolt
----End
B.4 Installing a Grounding Cable
A grounding cable is required when you install an indoor cable.
Procedure
Step 1 Fasten the grounding cable in the holes at the both sides of the U-steel of the cable ladder by use
a M8 bolt, a toothed pad and a nut, and ensure that the tooth side of the toothed pad clings to the
cable rack.
Step 2 Install a grounding cable in the grounding bar. See Figure B-13.
Figure B-13 Installing a grounding cable
Toothed pad
M8 Nut
Grounding bar
Grounding cable
M8 Bolt
----End
B.5 Other Methods for Connecting Cable Ladders
In practice, you may need to assemble two cable ladders horizontally, turn the cable ladder
upright, connect the cable ladder to the wall, or lay the cable ladder upwards or downwards.
The detailed methods are described as follows:
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l
Assembling cable ladders
l
Turning cable ladders
l
Connecting the cable ladder to the wall
l
Jointing cable ladders
B.5.1 Assembling Cable Ladders
To assemble a long cable ladder, use U-shaped connecting pieces to connect several cable ladders
together. Use two grounding cables to connect two adjacent cable ladders to ensure reliable
grounding of the cabling rack.
B.5.2 Turning Cable Ladders
You can turn cable ladders on the same level or on different levels.
B.5.3 Connecting the Cable Ladder to the Wall
Use the bracket angle, insulating pad, insulating washer, spring washer, flat washer, and
expansion bolt to connect the cable ladder to the wall.
B.5.4 Jointing Cable Ladders
This topic describes how to joint cable ladders.
B.5.1 Assembling Cable Ladders
To assemble a long cable ladder, use U-shaped connecting pieces to connect several cable ladders
together. Use two grounding cables to connect two adjacent cable ladders to ensure reliable
grounding of the cabling rack.
The grounding cables are connected as follows:
l
Use one grounding cable to ground the first and fourth bolts, which are used to connect the
cable ladder to the U-shaped connecting piece.
l
Use the other grounding cable to connect the second or third bolt to the second or third bolt
at the other side. See Figure B-14.
Figure B-14 Assembling cable ladders
NOTE
When the length of the cable ladder is not an integral multiple of 2.5 m, you need to cut the extra part. Then
paint the cut surface.
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B.5.2 Turning Cable Ladders
You can turn cable ladders on the same level or on different levels.
Turning Cable Ladders on the Same Level
If both cable ladders are equipped with or without cable trays, the turning methods are the same.
Use the bracket angle, bolt, and nut to connect the cable ladders, and ensure that the two ladders
are on the same level. Figure B-15 shows how to turn the cable ladders (without cable trays) on
the same level.
Figure B-15 Turning the cable ladders (without cable trays) on the same level
Turning Cable Ladders on Different Levels
CAUTION
If one cable rack is equipped with a cable tray whereas the other without a cable tray, ensure
that the cable ladders and the cable tray are on the same level after installation.
When a segment of cable ladder is equipped with a cable tray, use the bracket angle, bolt, and
nut to connect the two cable ladders. Figure B-16 shows how to connect the two cable ladders.
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Figure B-16 Turning the cable ladders on different levels
B.5.3 Connecting the Cable Ladder to the Wall
Use the bracket angle, insulating pad, insulating washer, spring washer, flat washer, and
expansion bolt to connect the cable ladder to the wall.
Figure B-17 shows how to connect the cable ladder to the wall.
Figure B-17 Connecting the cable ladder to the wall
B.5.4 Jointing Cable Ladders
This topic describes how to joint cable ladders.
The methods for jointing cable ladders include front jointing, side jointing, and oblique jointing.
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B.5.4.1 Front Jointing
This topic describes the front jointing of cable ladders.
B.5.4.2 Side Jointing
This topic describes the side jointing of cable ladders.
B.5.4.3 Oblique Jointing
This topic describes the oblique jointing of cable ladders.
B.5.4.1 Front Jointing
This topic describes the front jointing of cable ladders.
Procedure
Step 1 Select a segment of cable ladder as the climbing ladder.
Step 2 Use the bracket angle, bolt, and nut to joint the climbing ladder and the cable ladder.
Figure B-18 shows the front jointing of cable ladders.
Figure B-18 Front jointing of cable ladders
----End
B.5.4.2 Side Jointing
This topic describes the side jointing of cable ladders.
Procedure
Step 1 Select a segment of cable ladder as the climbing ladder.
Step 2 Use the bracket angle, bolt, and nut to joint the climbing ladder and the cable ladder.
Figure B-19 shows the side jointing of cable ladders.
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Figure B-19 Side jointing of cable ladders
----End
B.5.4.3 Oblique Jointing
This topic describes the oblique jointing of cable ladders.
Procedure
Step 1 Select a segment of cable ladder as the climbing ladder.
Step 2 Use the bracket angle, bolt, and nut to joint the climbing ladder and the cable ladder.
Figure B-20 shows the oblique jointing of cable ladders.
Figure B-20 Oblique jointing of cable ladders
----End
B.6 Installing a Cable Tray
This topic describes how to install a cable tray.
B.6.1 Overview of a Cable Tray
Cable tray is 400 mm wide.
B.6.2 Connecting Cable Trays
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Because cable trays have taper, you can insert the smaller end of one cable tray to the larger end
of the other.
B.6.3 Installing a Cable Tray on a 200 mm or 400 mm Wide Cable Ladder
This topic describes how to install a cable tray on a 200 mm or 400 mm wide cable ladder.
B.6.4 Installing a Cable Tray Sideways
This section describes how to install a cable tray sideways.
B.6.1 Overview of a Cable Tray
Cable tray is 400 mm wide.
When you install a cable tray on a cable ladder, if you need to lengthen the cable ladder, first
lengthen it and then fix it.
B.6.2 Connecting Cable Trays
Because cable trays have taper, you can insert the smaller end of one cable tray to the larger end
of the other.
The insertion depth shall be smaller than 250 mm. See Figure B-21.
Figure B-21 Connecting cable trays
B.6.3 Installing a Cable Tray on a 200 mm or 400 mm Wide Cable
Ladder
This topic describes how to install a cable tray on a 200 mm or 400 mm wide cable ladder.
Procedure
Step 1 Place the cable tray on the cable ladder.
Step 2 Use fixing clips to fix the cable tray to the cable ladder. Each segment of cable tray uses four
fixing clips, which are located symmetrically at both sides.
Figure B-22 shows how to install the cable tray on the cable ladder.
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Figure B-22 Installing the cable tray on the cable ladder
----End
B.6.4 Installing a Cable Tray Sideways
This section describes how to install a cable tray sideways.
Prerequisite
CAUTION
The slope of a cable tray can be slightly smaller than the required angle. Cut off the connecting
rib of the triangle aperture on the edge of the cable tray, as shown in Figure B-23. Then paint
the cut area.
Procedure
Step 1 Cut off the connecting rib of the triangle aperture on the edge of the cable tray, as shown in
Figure B-23. Then paint the cut area.
Figure B-23 Cutting off the connecting rib of the triangle aperture
B-20
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Step 2 Bend one part of the cable tray with the marking line as the axis to the desired angle.
See Figure B-24.
Figure B-24 Installing the cable tray sideways
Step 3 Use fixing clips to fix the cable tray to the cable ladder.
Figure B-25 shows the cable tray installed sideways onto the cabling ladder.
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Figure B-25 Cable tray installed sideways onto the cabling ladder
----End
B.7 Installing Accessories
This section describes how to install the accessories of a cable rack.
B.7.1 Overview
This section describes how to install the accessories of a cable rack.
B.7.2 Installing Cable-Through Racks
Cable-through racks are often installed on the cable ladder over the cabinet. The number and
installation positions of cable-through racks are based on the actual situation.
B.7.3 Installing End Covers, Movable Bushings, and Baffle Rings
This section describes how to install end covers, movable bushings, and baffle rings.
B.7.1 Overview
This section describes how to install the accessories of a cable rack.
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Installing cable-through racks
l
Installing end covers
l
Installing movable bushings
l
Installing baffle rings
B Installing an Indoor Cable Rack
B.7.2 Installing Cable-Through Racks
Cable-through racks are often installed on the cable ladder over the cabinet. The number and
installation positions of cable-through racks are based on the actual situation.
Installing a Cable-Through Rack When the Cable Rack Is Not Equipped with a
Cable Tray
CAUTION
To ensure that the upper surface of the cable-through rack is level with the highest surface of
the cable rack:
l If the cable rack is not equipped with a cable tray, fasten the cable-through rack to the cable
ladder through the upper holes on the cable-through rack.
l If the cable rack is equipped with a cable tray, fasten the cable-through rack to the cable
ladder through the lower holes on the cable-through rack.
Figure B-26 shows how to install a cable-through rack when the cable rack is not equipped with
a cable tray.
Figure B-26 Installing a cable-through rack when the cable rack is not equipped with a cable
tray
Installing a Cable-Through Rack When the Cable Rack Is Equipped with a Cable
Tray
Figure B-27 shows how to install a cable-through rack when the cable rack is equipped with a
cable tray.
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Figure B-27 Installing a cable-through rack when the cable rack is equipped with a cable tray
B.7.3 Installing End Covers, Movable Bushings, and Baffle Rings
This section describes how to install end covers, movable bushings, and baffle rings.
Installing End Covers
Installing end covers on a cable ladder can ensure good look.
End covers are installed at the end of a cable ladder. Install end covers on all cable ladders if
possible. Figure B-28 shows how to install an end cover on a cable ladder.
Figure B-28 Installing an end cover on a cable ladder
Installing Movable Bushings
Movable bushings can protect cables from being damaged.
Movable bushings cover the bottom edges of a cable tray. All the exposed bottom edges at the
ends of cable trays shall be covered by movable bushings. Figure B-29 shows how to install a
movable bushing on a cable tray.
Figure B-29 Installing a movable bushing on a cable tray
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Installing Baffle Rings
Baffle rings are used to hold cables inside a cable tray.
Baffle rings are installed on both sides of a cable tray to increase the height of the cable tray.
Each segment of the cable tray uses four baffle rings, which are evenly installed at both sides.
Figure B-30 shows how to install a baffle ring on a cable tray.
Figure B-30 Installing a baffle ring on a cable tray
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C Making Cables and Connectors
Making Cables and Connectors
This topic describes how to make the power cable, ground cable, and network cable.
C.1 Making External Power Cables and Ground Cables with Cord End Terminals
This topic describes how to make external power cables and ground cables with cord end
terminals.
C.2 Making External Power Cables and Ground Cables with OT Terminals
This topic describes how to make external power cables and ground cables with OT terminals.
C.3 Making Ordinary Network Cables
This topic describes how to make ordinary network cables.
C.4 Making Shielded Network Cables
This topic describes how to make shielded network cables.
C.5 Making the E1 Cable
This topic describes how to make the E1 cable.
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C.1 Making External Power Cables and Ground Cables with
Cord End Terminals
This topic describes how to make external power cables and ground cables with cord end
terminals.
Recommended Tools and Materials
The recommended tools and materials for making external power cables and ground cables with
cord end terminals are as follows:
l
Wire crimping tool
l
Hydraulic clump
l
Power cables
l
Insulating tape
l
Paper cutter
l
Diagonal pliers
l
Wire clipper
l
Cord end terminals
Procedure
Step 1 Use the paper cutter to peel off a section of the insulation layer from the power cable based on
the cross-sectional areas of the power cable conductors. A section of the power cable conductor
with a length of L1 is exposed, as shown in Figure C-1. Table C-1 lists the recommended lengths
of the insulation layer to be peeled off (L1).
Figure C-1 Peeling the insulation layer off the power cable
L1
Power cable
Conductor
CAUTION
When peeling off the insulation layer of the power cable, ensure that the conductor of the power
cable is not scratched.
C-2
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Table C-1 Mapping between the cross-sectional area and the length of insulation layer to be
peeled off (L1)
Cross-sectional Area (mm2)
L1 (mm)
1
8
1.5
10
2.5
10
4
12
6
14
10
15
16
15
25
18
35
19
50
26
Step 2 Insert the conductor of the peeled power cable into the cord end terminal, as shown in Figure
C-2.
Figure C-2 Inserting the conductor into the cord end terminal
Power cable
Cord end terminal
CAUTION
After the cord end terminal is inserted into the power cable, the conductor of the power cable
outside the cord end terminal should not be longer than 1 mm.
Step 3 Select a proper cross-sectional area, and use power cable crimping pliers to clamp the head of
the cord end terminal and the conductor of the power cable, as shown in Figure C-3.
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Figure C-3 Clamping the cord end terminal
2.0 mm 2 4.0 mm2
1.0 mm2 6.0 mm 2
2.5 mm2
Rough side
----End
C.2 Making External Power Cables and Ground Cables with
OT Terminals
This topic describes how to make external power cables and ground cables with OT terminals.
Recommended Tools and Materials
The recommended tools and materials for making external power cables and ground cables with
OT terminals are as follows:
l
Wire crimping tool
l
Hydraulic clump
l
Power cables
l
Insulating tape
l
Paper cutter
l
Diagonal pliers
l
Wire clipper
l
OT terminals
l
Heat shrink tubing
l
Hot air gun
Procedure
Step 1 Insert the power cable into the heat shrink tubing A, as shown in Figure C-5.
Step 2 Peel off a section of the insulation layer C from the power cable based on the cross-sectional
areas of the power cable conductors. A section of power cable conductor D with a length of L1
is exposed, as shown in Figure C-4. Table C-2 lists the recommended lengths of the insulation
layer to be peeled off (L1).
C-4
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Figure C-4 Peeling off the insulation layer of the power cable
L
B
C
L1
D
CAUTION
l When peeling off the insulation layer of the power cable, ensure that the conductor of the
power cable is not scratched.
l If the bare crimping terminals are not provided by Huawei, you can adjust L1 according to
the length of the crimping terminal. L1 = L + (1 or 2) mm.
Table C-2 Mapping between the cross-sectional area and the length of the insulation layer to
be peeled off (L1)
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Cross-Sectional Area (mm2)
L1 (mm)
1
7
1.5
7
2.5
7
4
8
6
9
10
11
16
13
25
14
35
16
50
16
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NOTE
If you peel off the insulation layer off the power cable properly on site, you can compare the cable with
the connector to be crimped.
Step 3 Insert the bare conductor of the power cable into the OT terminal B, and then press the OT
terminal close to the insulation layer C, as shown in Figure C-5.
Figure C-5 Installing heat shrink tubing and bare crimping terminal
L2
C
A
B
CAUTION
After the OT terminal is installed, the length of the bare conductor outside the bare crimping
terminal (L2) must not be more than 2 mm. If the length (L2) of the bare conductor outside the
bare crimping OT terminal is larger than 2 mm, cut the redundant part by using the diagonal
pliers or wire clipper, as shown in Figure C-5.
Step 4 Use the crimping tool to clamp the tail of the bare crimping terminal and the contact part of the
conductor, as shown in Figure C-6.
Figure C-6 Clamping the tail of the bare crimping terminal with the contact part of the conductor
B
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NOTE
The crimped shapes vary with the crimping molds.
Step 5 Push the heat shrink tubing A towards the connector, and cover the crimping area of the bare
crimping terminal and the conductor. Use a hot air gun to heat the heat shrink tubing, as shown
in Figure C-7.
CAUTION
Do not heat the heat shrink tubing for a long time. Otherwise, the insulation layer may be
damaged.
Figure C-7 Installing the heat shrink tubing
A
B
----End
C.3 Making Ordinary Network Cables
This topic describes how to make ordinary network cables.
Components of an Ordinary Network Cable
An ordinary network cable consists of two ordinary RJ-45 connectors and one category-5
unshielded twisted pair (UTP-5) cable. Figure C-8 shows an ordinary network cable.
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Figure C-8 Ordinary network cable
RJ-45 connector
Boot
UTP-5 twisted pair
Checking Tools and Materials
Check the following items:
l
Ensure that the necessary tools, such as the diagonal pliers, a blade (or knife), and the crimp
pliers, are available.
l
Ensure that the materials, such as the RJ-45 connectors, UTP-5 twisted pair, and the jacket,
are available.
l
Ensure that the jacket is in proper condition. If the jacket is convex, plucked, or damaged,
cut the improper part off the cable.
Procedure
Step 1 Use the diagonal pliers to cut the cable according to the required length.
Step 2 Put the cable through the boot for 100 mm at least. Ensure that the boot is installed in the correct
direction, as shown in Figure C-9.
Figure C-9 Installing the boot for the RJ-45 connector
Cable end where the RJ-45
connector is to be installed
100 mm
Step 3 Use a blade or a knife to peel off 20 mm of the jacket, as shown in Figure C-10. Do not damage
the insulation of the wires.
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Figure C-10 Peeling the jacket
Twisted pair
20 mm
Step 4 Arrange the four pair of wires properly according to the connection sequence of the network
cable.
Step 5 Ensure that the wires are 13 mm to 15 mm long. Cut off the extra length of the wires, arrange
the wires in the correct order, and then insert the wires into the RJ-45 connector, as shown in
Figure C-11. Table C-3 lists the wires assigned to the network cable.
Figure C-11 Assigning the wires to the network cable
Wires arranged according to
the order of network cables
Table C-3 Wires assigned to the network cable
Wire
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Wire Color
StraightThrough Cable
End A
StraightThrough Cable
End B
Crossover
Cable End A
Crossover
Cable End B
1
White and orange
White and orange
White and orange
White and green
2
Orange
Orange
Orange
Green
3
White and green
White and green
White and green
White and orange
4
Blue
Blue
Blue
Blue
5
White and blue
White and blue
White and blue
White and blue
6
Green
Green
Green
Orange
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Wire
Wire Color
StraightThrough Cable
End A
StraightThrough Cable
End B
Crossover
Cable End A
Crossover
Cable End B
7
White and brown
White and brown
White and brown
White and brown
8
Brown
Brown
Brown
Brown
NOTE
In Table C-3, end A and end B refer to both ends of a network cable.
Step 6 Use the crimp pliers to crimp the connector. Ensure that the connector is put correctly in the
crimp pliers. After crimping, the metal cover on the connector must be lower than other area on
the connector.
Step 7 Use a network cable tester or a multimeter to test all wires, and ensure that the wires are connected
properly.
Step 8 Push the boot to cover the RJ-45 connector, as shown in Figure C-12.
Figure C-12 Pushing the boot to cover the RJ-45 connector
----End
C.4 Making Shielded Network Cables
This topic describes how to make shielded network cables.
Components of a Shielded Network Cable
A shielded network cable consists of two shielded RJ-45 connectors and one super-UTP-5 cable.
Figure C-13 shows the shielded network cable.
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Figure C-13 Shielded network cable
RJ-45 connector
Boot
Super-UTP-5 cable
Shielded iron cover
Checking Tools and Materials
Check the following items:
l
Ensure that all necessary tools, such as the diagonal pliers, crimp pliers, blades or knives,
are available.
l
Ensure that the necessary materials, such as the shielded RJ-45 connectors and the superUTP-5 cables, are available. Figure C-14 shows the shielded RJ-45 connector, which has
a shielded iron cover and a wire fastening slot.
l
Ensure that the jacket is in proper condition. If the jacket is convex, plucked, or damaged,
cut the improper part off the cable.
Figure C-14 Components of a shielded RJ-45 connector
Metal cover on the RJ-45 connector
Wire fastening slot
Shielded iron cover
Boot
Plastic cover of the
RJ-45 connector
Procedure
Step 1 Install the boot for the RJ-45 connector.
1.
Select a cable of proper length and install the boot on the RJ-45 connector of the cable.
2.
Use a blade or a knife to peel off 30 mm of the jacket.
3.
Use a blade to slit 5 mm on the jacket and install a shielded iron cover on the cable weaving
layer, and then insert the shielded iron cover into the jacket along the crack. Install the boot
and the shielded iron cover correctly, as shown in Figure C-15.
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Figure C-15 Installing the boot for the RJ-45 connector and the shielded metal cover
Step 2 Install the wires.
CAUTION
When peeling off the jacket of the power cable, do not damage the cable weaving layer or the
insulation wires.
1.
Use the diagonal pliers to cut 20 mm off the cable weaving layer, ground wire, aluminum
foil and polyester band at the head of the cable, and store the wires.
2.
Arrange the four twisted pairs properly and insert them into the wire fastening slot. Maintain
the original space for the twisted pairs.
3.
Arrange the wires smoothly and straightly at the hole of the cable distribution frame.
Arrange the wires properly and cut off the extra length of the wires along the edge of the
wire fastening slot. Table C-3 lists the wires assigned to the network cable.
4.
Install the plastic cover on the wire fastening slot, and then fasten the slot. Push the cover
into the slot until you hear click to ensure that the cover is fitted properly, as shown in
Figure C-16.
Figure C-16 Installing the wires
Step 3 Crimp the RJ-45 connector.
C-12
1.
Insert the RJ-45 connector into the metal cover.
2.
Use the diagonal pliers to crimp the metal part on the RJ-45 connector. Ensure that the
conductors inside the wires are properly connected to the metal part and the RJ-45 connector
is placed correctly. After crimping, the metal part on the connector must be lower than the
height of the plastic cover.
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3.
Use the network cable tester or a multimeter to check and ensure that the wires are connected
properly.
4.
Insert the RJ-45 connector into the jacket, as shown in Figure C-17.
Figure C-17 Crimping the RJ-45 connector
----End
C.5 Making the E1 Cable
This topic describes how to make the E1 cable.
C.5.1 Making the E1 Cable with the Straight SMB Female Connector
This topic describes how to make the E1 cable with the straight SMB female connector.
C.5.2 Making the E1 Cable with the Straight SMB Male Connector
This topic describes how to make the E1 cable with the straight SMB male connector.
C.5.3 Making the E1 Cable with the Bent SMB Female Connector
This topic describes how to make the E1 cable with the bent SMB female connector.
C.5.1 Making the E1 Cable with the Straight SMB Female Connector
This topic describes how to make the E1 cable with the straight SMB female connector.
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C Making Cables and Connectors
Recommended Tools
The recommended tools for making the E1 cable with the straight SMB female connector are
as follows:
l
Wire stripper
l
Wire crimping tool
l
Diagonal pliers
l
Wire clipper
l
Electric soldering iron
l
Tin wire
l
Hot air gun
l
Paper cutter
l
Marker pen
Component
Figure C-18 shows the components of the straight SMB female connector and the coaxial cable.
Figure C-18 Components
A
B
C
F
E
D
A: Press-fitting sleeve
B: Plug of the connector
C: Coaxial jacket
D: Outer conductor of the coaxial
cable
E: Insulation layer of the coaxial
cable
F: Inner conductor of the coaxial
cable
Procedure
Step 1 For the coaxial cable made of different materials, peel the coaxial cable to expose its outer
conductor (D), insulation layer (E), and inner conductor (F) according to the lengths shown in
Figure C-19. The lengths of the reserved outer conductor, the reserved insulation layer, and the
exposed jacket are L1, L2, and L3 respectively, as listed in Table C-4.
C-14
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Figure C-19 Structure of the coaxial cable
L3
L2
L1
C
D
F
E
CAUTION
l When peeling the coaxial cable, do not damage the outer conductor or the shielded layer of
the coaxial cable.
l You can determine the length of the part to be peeled according to the length of the connector,
as shown in Figure C-20.
Table C-4 Peeled lengths of commonly used coaxial cables
Issue 01 (2011-01-15)
Cable Type
External Diameter
L1 (mm)
L2
(mm)
SYFVZ-75-1
-1(A)
2.2 mm
5-6
7-9
10-12
-
SYV-75-2-2
3.9 mm
5-6
7-9
10-12
Dedicated to
national
backbone
155M-I
SYV-75-4-2
6.7 mm
5-6
7-9
10-12
Dedicated to
national
backbone
155M-III
SFYV-75-2-1
3.2 mm
5-6
7-9
10-12
Dedicated to
national
backbone-II
SFYV-75-2-2
4.4 mm
5-6
7-9
10-12
Dedicated to
national
backbone
155M-II
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L3
(mm)
Remarks
C-15
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C Making Cables and Connectors
Figure C-20 Lengths of connectors and the peeled part of cables
L1
L1
L2
L2
L3
L3
Step 2 Put a coaxial cable into press-fitting sleeve A, as shown in Figure C-21.
Figure C-21 Putting a coaxial cable into a sleeve
C
A
Step 3 Expand outer conductor D of the coaxial cable into a bell-mouthed shape as shown in Figure
C-22.
Figure C-22 Expanding the outer conductor of a coaxial cable
D
Step 4 Insert the inner conductor and the insulation part of the coaxial cable into plug B of the connector.
Wrap the outer conductor of the connector by using the outer conductor of the coaxial cable, as
shown in Figure C-23.
C-16
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Figure C-23 Inserting a coaxial cable into a connector plug
B
Step 5 Solder inner conductor F of the coaxial cable with the inner conductor of plug B, as shown in
Figure C-24.
Figure C-24 Soldering the inner conductor
B
F
Welding
NOTE
After the welding, make sure that there is no metal wire (especially of the outer conductor) or redundant
soldering tin between the inner conductor and the outer conductor. Use the multimeter to test the insulation
state between the inner conductor and the outer conductor. Then, press-fit the outer conductor.
Step 6 Push press-fitting sleeve A towards the connector. Compact the outer conductor of the coaxial
cable. Press-fit sleeve A and the plug of the coaxial connector by using press-fitting tools, as
shown in Figure C-25.
Figure C-25 Press-fitting the outer conductor
A
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C Making Cables and Connectors
----End
Follow-up Procedure
After assembling the cable components, install the components on devices, as shown in Figure
C-26.
Figure C-26 Installing the components of a coaxial cable
C.5.2 Making the E1 Cable with the Straight SMB Male Connector
This topic describes how to make the E1 cable with the straight SMB male connector.
Recommended Tools
The recommended tools for making the E1 cable with the straight SMB male connector are as
follows:
l
Wire stripper
l
Wire crimping tool
l
Diagonal pliers
l
Wire clipper
l
Electric soldering iron
l
Tin wire
l
Hot air gun
l
Paper cutter
l
Marker pen
Component
Figure C-27 shows the components of the straight SMB male connector and the coaxial cable.
C-18
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C Making Cables and Connectors
Figure C-27 Components
A
B
C
F
E
D
A: Press-fitting sleeve
B: Plug of the connector
C: Coaxial jacket
D: Outer conductor of the coaxial
cable
E: Insulation layer of the coaxial
cable
F: Inner conductor of the coaxial
cable
Procedure
Step 1 For the coaxial cable made of different materials, peel the coaxial cable to expose its outer
conductor (D), insulation layer (E), and inner conductor (F) according to the lengths shown in
Figure C-28. The lengths of the reserved outer conductor, the reserved insulation layer, and the
exposed jacket are L1, L2, and L3 respectively, as listed in Table C-5.
CAUTION
l When peeling the coaxial cable, do not damage the outer conductor or the shielded layer of
the coaxial cable.
l You can determine the length of the part to be peeled according to the length of the connector,
as shown in Figure C-29.
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C Making Cables and Connectors
Figure C-28 Structure of the coaxial cable
L3
L2
L1
D
F
E
Table C-5 Peeled lengths of commonly used coaxial cables
External
Diameter
L1
(mm)
L2 (mm)
L3
(mm)
Remarks
SYFVZ-75-11(A)
2.2 mm
5-6
7-9
10-12
-
SYV-75-2-2
3.9 mm
5-6
7-9
10-12
Dedicated to national
backbone 155M-I
SYV-75-4-2
6.7 mm
5-6
7-9
10-12
Dedicated to national
backbone 155M-III
SFYV-75-2-1
3.2 mm
5-6
7-9
10-12
Dedicated to national
backbone-II
SFYV-75-2-2
4.4 mm
5-6
7-9
10-12
Dedicated to national
backbone 155M-II
Cable Type
Figure C-29 Lengths of connectors and the peeled part of cables
L1
L2
L3
L1
L2
L3
Step 2 Put a coaxial cable into press-fitting sleeve A, as shown in Figure C-30.
C-20
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Figure C-30 Putting a coaxial cable into a sleeve
A
Step 3 Expand outer conductor D of the coaxial cable into a bell-mouthed shape as shown in Figure
C-31.
Figure C-31 Expanding the outer conductor of a coaxial cable
D
Step 4 Insert the inner conductor and insulation part of the coaxial cable into plug B of the connector.
Wrap outer conductor D of the connector by using the outer conductor of the coaxial cable, as
shown in Figure C-32.
Figure C-32 Inserting a coaxial cable into a connector plug
D
B
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C Making Cables and Connectors
Step 5 Solder inner conductor F of the coaxial cable with the inner conductor of plug B, as shown in
Figure C-33.
Figure C-33 Soldering the inner conductor
F
Welding
NOTE
After the welding, make sure that there is no metal wire (especially of the outer conductor) or redundant
soldering tin between the inner conductor and the outer conductor. Use the multimeter to test the insulation
state between the inner conductor and the outer conductor. Then, press-fit the outer conductor.
Step 6 Push press-fitting sleeve A towards the connector. Compact the outer conductor of the coaxial
cable. Press-fit sleeve A and the plug of the coaxial connector by using press-fitting tools, as
shown in Figure C-34.
Figure C-34 Press-fitting the outer conductor
A
----End
Follow-up Procedure
After assembling the cable components, install the components on devices, as shown in Figure
C-35.
C-22
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Figure C-35 Installing the components of a coaxial cable
C.5.3 Making the E1 Cable with the Bent SMB Female Connector
This topic describes how to make the E1 cable with the bent SMB female connector.
Recommended Tools
The recommended tools for making the E1 cable with the bent SMB female connector are as
follows:
l
Wire stripper
l
Wire crimping tool
l
Diagonal pliers
l
Wire clipper
l
Electric soldering iron
l
Tin wire
l
Hot air gun
l
Paper cutter
l
Marker pen
Component
Figure C-36 shows the components of the bent SMB female connector and the coaxial cable.
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C Making Cables and Connectors
Figure C-36 Components
B
A
C
D
G
E
F
A: Press-fitting sleeve
B: Screw of the connector
C: Plug of connector
D: Coaxial jacket
E: Outer conductor of the
coaxial cable
F: Insulation layer of the
coaxial cable
G: Inner conductor of the
coaxial cable
Procedure
Step 1 For the coaxial cable made of different materials, peel the coaxial cable to expose its outer
conductor (E), insulation layer (F), and inner conductor (G) according to the lengths shown in
Figure C-37. The lengths of the reserved outer conductor, the reserved insulation layer, and the
exposed jacket are L1, L2, and L3 respectively, as listed in Table C-6.
Figure C-37 Structure of the coaxial cable
L3
L2
L1
D
E
G
C-24
F
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CAUTION
l When peeling the coaxial cable, do not damage the outer conductor or the shielded layer of
the coaxial cable.
l You can determine the length of the part to be peeled according to the length of the connector,
as shown in Figure C-38.
Table C-6 Peeling lengths of commonly used coaxial cables
External
Diameter
L1
(mm)
L2
(mm)
L3
(mm)
SYFVZ-75-1-1
(A)
2.2 mm
5-6
7-9
10-12
SYV-75-2-2
3.9 mm
5-6
7-9
10-12
Dedicated to national
backbone 155M-I
SYV-75-4-2
6.7 mm
5-6
7-9
10-12
Dedicated to national
backbone 155M-III
SFYV-75-2-1
3.2 mm
5-6
7-9
10-12
Dedicated to national
backbone-II
SFYV-75-2-2
4.4 mm
5-6
7-9
10-12
Dedicated to national
backbone 155M-II
Cable Type
Remarks
Figure C-38 Lengths of connectors and the peeled part of cables
L1
L2
L3
L1
L2
L3
Step 2 Put a coaxial cable into press-fitting sleeve A, as shown in Figure C-39.
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C Making Cables and Connectors
Figure C-39 Putting a coaxial cable into a sleeve
D
A
Step 3 Insert the inner conductor and the insulation part of the coaxial cable into plug C of the connector.
Wrap outer conductor E of the connector by using the outer conductor of the coaxial cable, as
shown in Figure C-40.
Figure C-40 Inserting a coaxial cable into a connector plug
E
C
Step 4 Solder inner conductor G of the coaxial cable with the inner conductor of plug C, as shown in
Figure C-41.
Figure C-41 Soldering the inner conductor
G
Welding
C-26
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NOTE
After the welding, make sure that there is no metal wire (especially of the outer conductor) or redundant
soldering tin between the inner conductor and the outer conductor. Use the multimeter to test the insulation
state between the inner conductor and the outer conductor. Then, press-fit the outer conductor.
Step 5 Push press-fitting sleeve A towards the connector. Compact the outer conductor of the coaxial
cable. Press-fit sleeve A and the plug of the coaxial connector by using press-fitting tools, as
shown in Figure C-42.
Figure C-42 Press-fitting the outer conductor
A
Step 6 Press-fit upper cover B on plug C of the connector, as shown in Figure C-43.
Figure C-43 Press-fitting the upper cover on the connector
B
A
C
----End
Follow-up Procedure
After assembling the cable components, install the components on devices, as shown in Figure
C-44.
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Figure C-44 Installing the components of a coaxial cable
C-28
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D
D Installing the Internal Components of the Cabinet
Installing the Internal Components of the
Cabinet
This topic describes how to install the internal components of the cabinet. The internal
component of the cabinet includes the subrack, board, and fan tray.
D.1 Installing and Removing the Subrack
This topic describes how to install and remove the subrack.
D.2 Installing and Removing the Board
This topic describes how to install and remove the board.
D.3 Installing and Removing the Fan Tray
This topic describes how to install and remove the fan tray.
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D Installing the Internal Components of the Cabinet
SmartAX MA5600T Multi-service Access Module
Installation Guide
D.1 Installing and Removing the Subrack
This topic describes how to install and remove the subrack.
D.1.1 Materials and Tools
This topic lists the materials and the tools that are required for installing and removing the
subrack.
D.1.2 Precautions
This topic describes the precautions for installing and removing the subrack.
D.1.3 Installing the Subrack
This topic describes how to install the subrack.
D.1.4 Removing the Subrack
This topic describes how to remove the subrack.
D.1.1 Materials and Tools
This topic lists the materials and the tools that are required for installing and removing the
subrack.
Ensure that the following materials and tools are available before installing and removing the
subrack.
l
ESD gloves or ESD wrist strap
l
Phillips screwdriver
l
ESD bag
D.1.2 Precautions
This topic describes the precautions for installing and removing the subrack.
Pay attention to the following points when installing or removing the subrack:
l
Take ESD measures before installing and removing the subrack.
l
During the remove or install the subrack, make sure that electrical and mechanical safety
precautions are complied with. For details, see Safety Information.
l
The subrack is heavy and requires two or three persons when it is installed or removed.
l
Remove or install the subrack carefully and in a horizontal manner to prevent collision.
l
Ensure that tools are positioned properly and the screws do not fall off accidentally during
the operation, because this may lead to a short circuit caused by metal.
D.1.3 Installing the Subrack
This topic describes how to install the subrack.
Procedure
Step 1 Wear the ESD wrist strap and connect its ground end to the ESD jack on the cabinet or wear
ESD gloves.
D-2
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D Installing the Internal Components of the Cabinet
Step 2 Confirm the position of the subrack in the cabinet.
Step 3 Install captive nuts to the mounting rails of the cabinet according to the positions of the holes in
the mounting bracket.
Step 4 Place the subrack on the mapping cable troughs in the cabinet from the front of the cabinet.
Step 5 Confirm the installation position of the subrack in the cabinet. Install captive nuts to the mounting
rails of the cabinet based on the installation position of the subrack.
Step 6 Gently push the subrack into the cabinet until the brackets on the subrack are in contact with the
mounting rails of the cabinet. Align the eight holes in the mounting brackets with the captive
nuts in the mounting rail of the cabinet. Then, install the eight M6 x 12 panel screws to fasten
the subrack, as shown in Figure D-1.
Figure D-1 Fixing the panel screws
CAUTION
When you fasten the screws, fasten them gently first, and then fasten them firmly in a diagonal
sequence.
----End
D.1.4 Removing the Subrack
This topic describes how to remove the subrack.
Procedure
Step 1 Wear ESD gloves or wear the ESD wrist strap and connect its ground end to the ESD jack on
the cabinet.
Step 2 Loosen the eight panel screws from the mounting brackets.
Step 3 Pull the subrack out along the cable troughs gently, as shown in Figure D-2.
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Figure D-2 Removing the subrack
----End
D.2 Installing and Removing the Board
This topic describes how to install and remove the board.
D.2.1 Materials and Tools
This topic lists the materials and the tools that are required for installing and removing the board.
D.2.2 Precautions
This topic describes the precautions for installing and removing the board.
D.2.3 Installing the Board
This topic describes how to install the board.
D.2.4 Removing the Board
This topic describes how to remove the board.
D.2.1 Materials and Tools
This topic lists the materials and the tools that are required for installing and removing the board.
Ensure that the following materials and tools are available before installing and removing the
board.
l
ESD gloves or ESD wrist strap
l
Phillips screwdriver
l
ESD bag
D.2.2 Precautions
This topic describes the precautions for installing and removing the board.
Pay attention to the following points when installing or removing the board:
l
D-4
Ground the device according to the requirement.
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l
Wear ESD gloves or an ESD wrist strap correctly during the operation.
l
Fasten the wrist strap around your wrist, and attach the other end of the wrist strap to the
ESD jacket of the device, as shown in Figure D-3.
Figure D-3 Wearing an ESD wrist strap correctly
l
When the wrist strap is in the normal state, its resistance should range from 0.75 megohms
to 10 megohms. If the validity period (usually two years) of the wrist strap expires or the
resistance value does not meet the requirements, use a new ESD wrist strap.
l
Do not touch boards with your clothes. Otherwise, the static electricity beyond the
protection scope of the wrist strap is generated.
l
Wear the ESD wrist strap and place the board on an antistatic pad when replacing the board
or chip. Use antistatic tweezers or extraction tools to hold, insert, or remove the chip. Do
not touch chips, or circuits and pins on the printed circuit board (PCB) with bare hands.
l
Keep the boards or components that are not installed in the ESD bags. Place the removed
boards or components onto an antistatic pad or other antistatic materials that are in the ESD
toolkit. Do not use non-antistatic materials, such as the white foams, common plastic bags,
or paper bags to pack the boards, or do not let them come in contact with the boards.
l
Wear an ESD wrist strap when working on the ports of the boards because the ports are
also ESD sensitive. Discharge the static electricity of the cables and the protective sleeves
before connecting them to the ports.
l
Store certain board packing materials (such as vacuum formed box and bags) in the room
for future use (recommended).
l
Do not touch the surface of the PCB.
l
When installing or removing a board, hold it firmly, and push or pull it gently.
l
Insert the board (in the disconnected state) into or remove it from the slot carefully. Make
sure that the board does not collide with the subrack (chassis) or with the board in the
adjacent slot.
D.2.3 Installing the Board
This topic describes how to install the board.
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D Installing the Internal Components of the Cabinet
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Installation Guide
Procedure
Step 1 Wear the ESD wrist strap and connect its ground end to the ESD jack on the cabinet or wear
ESD gloves.
Step 2 Pull the ejector levers on the front panel of the board outwards. Hold the ejector levers with your
hands and insert the board gently along the board track until the ejector levers are clamped to
the top and bottom beams of the board cage.
Step 3 Press the ejector levers inwards and push the board into the subrack completely through the
acting force between the ejector levers and the subrack beam, until the ejector levers are parallel
with the front panel.
Step 4 Fasten the two screws on the front panel to fasten the board, as shown in Figure D-4.
Figure D-4 Installing the board
----End
D.2.4 Removing the Board
This topic describes how to remove the board.
Procedure
Step 1 Wear ESD gloves or wear the ESD wrist strap and connect its ground end to the ESD jack on
the cabinet.
D-6
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D Installing the Internal Components of the Cabinet
Step 2 Loosen the two screws on the front panel.
Step 3 Pull the ejector levers outwards to separate the board from the backplane. Pull the board out
gently along the board track, as shown in Figure D-5.
Figure D-5 Removing the board
Step 4 After the board is removed, place it in an ESD bag.
----End
D.3 Installing and Removing the Fan Tray
This topic describes how to install and remove the fan tray.
D.3.1 Materials and Tools
This topic lists the materials and the tools that are required for installing and removing the fan
tray.
D.3.2 Precautions
This topic describes the precautions for installing and removing the fan tray.
D.3.3 Installing the Fan Tray
This topic describes how to install the fan tray.
D.3.4 Removing the Fan Tray
This topic describes how to remove the fan tray.
D.3.1 Materials and Tools
This topic lists the materials and the tools that are required for installing and removing the fan
tray.
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D Installing the Internal Components of the Cabinet
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Installation Guide
Ensure that the following materials and tools are available before installing and removing the
fan tray.
l
ESD gloves or ESD wrist strap
l
Phillips screwdriver
l
ESD bag
D.3.2 Precautions
This topic describes the precautions for installing and removing the fan tray.
Pay attention to the following points when installing or removing the fan tray:
l
Take ESD measures before installing and removing the fan tray.
l
When remove the fan tray, do not touch the fans when they are rotating.
l
Remove or install the fan tray carefully and in a horizontal manner to prevent collision.
l
Ensure that tools are positioned properly and the screws do not fall off accidentally during
the operation, because this may lead to a short circuit caused by metal.
D.3.3 Installing the Fan Tray
This topic describes how to install the fan tray.
Procedure
Step 1 Wear the ESD wrist strap and connect its ground end to the ESD jack on the cabinet or wear
ESD gloves.
Step 2 Push the fan tray into the service subrack along the guide rail, as shown in Figure D-6 (1).
Step 3 Fasten the screws on the front panel of the fan tray, as shown in Figure D-6 (2).
Figure D-6 Installing the fan tray
----End
D.3.4 Removing the Fan Tray
This topic describes how to remove the fan tray.
D-8
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Procedure
Step 1 Wear ESD gloves or wear the ESD wrist strap and connect its ground end to the ESD jack on
the cabinet.
Step 2 Loosen the screws from the front panel of the fan tray, as shown in Figure D-7 (1).
Step 3 Hold the handle on the front panel of the fan tray and disconnect the fan tray from the backplane
connector.
Step 4 After the fans stop rotating, pull the fan tray out gently from the service subrack along the guide
rail, as shown in Figure D-7 (2).
Figure D-7 Removing the fan tray
----End
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E Cable Labels
E
Cable Labels
This topic describes how to make, fill in, and attach the cable label.
Labels are attached to the cables to identify the physical positions of the cables on different
devices. There are two types of cable labels: labels for the power cables and labels for the signal
cables.
The cable labels can facilitate the cable connection and maintenance.
NOTE
This information must be stated in the self-check report to help the customer to maintain consistency in
labeling the cables of the devices in the telecommunications room.
E.1 Introduction to Labels
This topic provides the materials, types, and structure of the labels. It also describes the
requirements for label printing and handwriting, attaching methods, label contents and
precautions.
E.2 Filling Labels
You can print the contents on the labels by using a printer or write the contents on the labels by
using an oil marker. For higher efficiency and nicer layout, it is recommended that you use a
printer.
E.3 Usage of Labels
This topic describes how to use the labels, the information on the labels, and the precautions to
be taken when using the labels.
E.4 Attaching Labels
After printing or writing the label on the base page, remove the label from the base page, and
then attach the label to the cable or the identification plate of the cable tie. The following
describes how to attach the label for the signal cable and the power cable.
E.5 Label for External Alarm Cables
This topic provides information on labels and example of labels for external alarm cables.
E.6 Label for Network Cables
This topic describes the application scope, content, and meaning of the label for the network
cable, and provides the example of filling in the label.
E.7 Labels for Optical Fibers
This topic provides information on labels and example of labels for optical fibers. There are two
types of labels that are used for optical fibers: one for the optical fiber connecting two cabinets
and one for the optical fiber connecting the cabinet to the ODF.
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E.8 Labels for Trunk Cables
This topic describes the content and the meaning of the label for the trunk cable, and provides
the example of filling in the label.
E.9 Label for Subscriber Cables
This topic provides information on labels and example of labels for subscriber cables.
E.10 Labels for DC Power Cables
This topic provides information on labels and example of labels for DC power cables.
E.11 Labels for AC Power Cables
This topic provides information on labels and example of labels for AC power cables.
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E.1 Introduction to Labels
This topic provides the materials, types, and structure of the labels. It also describes the
requirements for label printing and handwriting, attaching methods, label contents and
precautions.
Material Specification
The material features of the labels are as follows:
l
Thickness: 0.09 mm.
l
Color: Chalk white.
l
Material: Polyester (PET).
l
Applicable temperature: -29°C to +149°C.
l
Compatible with laser printing or can be hand written by using oil markers.
l
The material must pass the authentication of Underwriters Laboratories (UL) and Canadian
Standards Association (CSA).
Types
There are two types of cable labels: the label for the power cable and the label for the signal
cable.
Label for the Signal Cable
The label for the signal cable is L-shaped and of a fixed size. Figure E-1 shows the label for the
signal cable.
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Figure E-1 Label for the signal cable
84.0
7.5
7.0
5.5
Dotted line
5.5
10.0
11.0
11.0
TO:
1.5
Dividing line
Dividing line
0.6
5.5
5.5
1.0
7.0
Dotted line
7.5
37.0
2.0
Unit: mm
The dividing lines on the label specify the position of a cable. For example, there is a dividing
line between the cabinet number and the subrack number, and a dividing line between the subrack
number and the slot number. The size of the dividing line is 1.5 mm x 0.6 mm, and its color is
PANTONE 656c (light blue).
The dotted lines mark the position for folding the label when you attach it to the cable.
There is a mark "TO:" (upside down in the figure) at the lower right corner of the label. The
mark identifies the peer end of the cable to which the label is attached.
Label for the Power Cable
The label for the power cable is attached to the identification plate on the cable ties. The size of
the bulge around the identification plate is 0.2 mm x 0.6 mm (symmetric on both sides), as shown
in Figure E-2.
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Figure E-2 Label for the power cable
26.2
R1.0
10
12.2
11
TO:
25
0.6
Label paper
1.5
Cable tie
100
0.6
Dividing line on the
label
Unit: mm
E.2 Filling Labels
You can print the contents on the labels by using a printer or write the contents on the labels by
using an oil marker. For higher efficiency and nicer layout, it is recommended that you use a
printer.
Template for the Printing
You can obtain the template through the following two ways:
l
Download the template from the technical support website "support.huawei.com". The path
is as follows: Related Links > Engineering Service > Engineering Quality > Quality
Standard and Template.
l
Obtain the template from the Huawei local representative.
When using the Microsoft Word template, pay attention to the following requirements:
l
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You can modify the contents on the template according to the positions of the cables
installed on site. However, the settings of center, direction, and fonts of the characters on
the label cannot be changed.
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l
Generally, the size of the characters is not modified. When there are a lot of contents to be
filled in, change the font size of the characters. Make sure that the contents are clear and
legible.
Setting the Printer
To print the labels, use a laser printer. The type of the laser printer is not limited. Before printing
a label, set up the page and print on an ordinary paper as follows:
1.
Place the ordinary printed paper on the label paper. Compare and check whether the printed
paper conforms to the label requirement.
2.
Make sure that the printing properties, such as Paper Size and Direction, are set correctly.
If the printed paper meets the requirements, print the required content on the label paper.
Otherwise, adjust the page setup and print the required content again until you obtain the
correct printout. To adjust the page setup, do as follows:
(1) Choose File > Page Setup.
(2) Select Layout, set Header and Footer to 0.
(3) Click the Margins tab. Select Left for Gutter Position. Adjust the values of Top,
Bottom, Left, and Right.
(4) If the dialog box as shown in Figure E-3, is displayed before printing, click Ignore
to continue the printing.
Figure E-3 Warning prompt before the printing
After adjusting the page setup, save the printing properties. This page setup is required only
when you use the template for the first time.
Requirements for Feeding Labels in the Printer
The label paper is composed of two pages, and is different from the ordinary paper. Always feed
in the labels manually, one by one regardless of the model of the printer that you use. Do not
use the auto-feed mode to prevent the printer from getting jammed. Different models of printers
have different feeding positions for feeding the labels. Feed in the labels correctly.
Requirements for Printing Labels
The requirements for printing the labels are as follows:
E-6
l
All the contents should be printed on the label. Ensure that the content is not printed at the
bottom of the label page.
l
The contents in the cells should be aligned to the center. In the case of a single-line printout,
the dividing lines and the "TO" mark should not be covered by the printed characters.
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l
E Cable Labels
If you merge the cells and print in multiple lines, adjust the contents and do not cover the
"TO" mark. Use the spacebar to move the content to the next line.
Writing Tool
To maintain the labels legible and neat, use the black oil marker (excluding the ball pen) delivered
with the products to write on the labels.
In special cases, you can use a black ballpoint pen, although it is not recommended to use a
ballpoint pen. The oil marker is more effective compared to the ballpoint pen. When you use
the marker pen to write on the labels, ensure that the surface of the labels is not oily. The oil can
smudge the letters.
NOTE
The delivered marker has two nibs. Use the smaller nib to write on the labels.
Font
The handwritten font must be similar to the standard typeface "Times New Roman" so that it is
clear and legible. Table E-1 lists the standard typeface.
Table E-1 Standard typeface for handwriting
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
The typeface for handwriting should be of proper size. When you fill in the label in Chinese
font, the size of the Chinese font must be proper, and the Chinese font must be legible and neat.
Figure E-4 shows the writing direction.
Figure E-4 Writing direction on the label
A01
2
A 06
TO:
1 A01 2
A
1
06
E.3 Usage of Labels
This topic describes how to use the labels, the information on the labels, and the precautions to
be taken when using the labels.
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Information Carried on Labels
The contents on the signal cable are different from the contents on the power cable.
For the Signal Cable
The two sides of the label attached to the signal cable indicate the location of the ports connected
to both ends of the cable, as shown in Figure E-5.
l
Area 1 contains the location information about the cable end to which the label is to be
attached.
l
Area 2 (with the "TO:" mark) contains the location information about the other end of the
cable.
l
Area 3 is folded between area 1 and area 2.
Figure E-5 Printing parts on the label for the signal cables
Area 1
Area 3
TO:
Area 2
If the label is viewed from the cable leading-out area, it appears on the right side of the cable.
The side with "TO:" that faces outward indicates the peer end; the other side indicates the local
end. Therefore, the information in Area 1 at one end of the signal cable is the same as the
information in Area 2 at the other end of the cable.
For the Power Cable
The label for the power cable is attached only to one side of the identification plates. The
information (the part after the mark "TO:") on the label indicates the location of the peer end
device, control cabinet, cable distribution box or socket of the cable end to which the label is
attached.
Precautions for Using Labels
Pay attention to the following items when using the labels:
E-8
l
When you print, write, or attach labels, ensure that the labels are clean.
l
Do not use ink-jet printers or ink pens to print or write on the labels because the label paper
is made up of moisture proof and waterproof material.
l
Attach labels neatly. The new label is of striped type. The appearance of the product is
affected if the attaching position or direction is not correct.
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l
Bundle the cable ties at the same height, and place all identification plates in the same
direction.
l
The positions of "up", "down", "right", and "left" in this topic (excluding the description
of printer setting) are viewed when you face the labels.
E.4 Attaching Labels
After printing or writing the label on the base page, remove the label from the base page, and
then attach the label to the cable or the identification plate of the cable tie. The following
describes how to attach the label for the signal cable and the power cable.
Attaching the Label to the Signal Cable
Attach the label to the signal cable, 2 cm away from the connector. In special cases, for example,
to avoid bending the cable or affecting other cables, attach the label at a different position on
the cable.
The labels should be attached to both ends of a cable. When the cable is placed vertically, the
label should point towards the right. When the cable is placed horizontally, the label should point
downwards. Figure E-6 shows how to attach the label to the signal cable at a proper position.
Figure E-6 Attaching the label to the signal cable at a proper position
A 06
TO:
1 A01 2
TO:
1 A01 2
A 06
Figure E-7 shows how to attach the label to the signal cable.
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Figure E-7 Attaching the label to the signal cable
Affixing side
2-3 mm
TO:
1 A01 2
A 06
Attaching the Label to the Power Cable
Remove the label from the bottom of the label page, and then attach it to the concave part on
one side of the identification plate. The cables can be attached on either side of the identification
plate, but ensure that the label directions are consistent in the telecommunications room. The
cable tie should be fastened 2 cm away from the connectors. In special cases, the labels can be
attached at other positions.
Cable ties should be fastened at both ends of a cable. After bundling the cables, the completed
identification plate should be visible on the top of the cable in the horizontal cabling, or on the
right side of the cable in the vertical cabling. Make sure that the label points outwards, as shown
in Figure E-8.
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Figure E-8 Appearance of the label attached to the power cable
Cable
TO:
TO:
-48V2
B03
B03
-48V2
Cable
1-The identification plate is on top
of the cable in horizontal cabling
2-The identification plate is at the right
side of the cable in vertical cabling
E.5 Label for External Alarm Cables
This topic provides information on labels and example of labels for external alarm cables.
The external alarm cables are connected to the first cabinet that provides power supply of each
row. Labels attached to the first cabinet must indicate the access terminal distribution for the
devices. Labels are not required to be attached to the device unless it is required. Here, only Area
2 of the label should be filled in.
Table E-2 describes the information on the label for the external alarm cable.
Table E-2 Information on the label for the external alarm cable
Content
Meaning
Example
MN
MN: Cabinet
number.
l M: Cabinet row, numbered A to Z from front to back.
l N: Cabinet column, numbered 01 to 99 from left to right.
For example:
A01: Cabinet in row A and column 01.
NOTE
Generally, the preceding numbering method helps identify the position of a specific cabinet. If two cabinets
are installed back to back, the front direction of the cabinet must be specified. Hence, the numbering method
MNO is used. "O" indicates the direction of the cabinet, which can either be "A" or "B." This numbering
method is also used for the cable labels described in the following sections.
You need to fill only a part of the text area because the label on the alarm cable provides basic
information. It is recommended you reserve the entire length of the label. Do not cut off the
blank area.
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Figure E-9 shows a label on the alarm cable. "A01" indicates that the alarm cable is connected
from the first cabinet to the cabinet in row A, column 01.
Figure E-9 Example of the label on the alarm cable
A01
TO:
E.6 Label for Network Cables
This topic describes the application scope, content, and meaning of the label for the network
cable, and provides the example of filling in the label.
Application
The labels for the network cables are attached to the network cables that connect to the boards,
or the labels for the network cables are attached to the cables that connect to the hubs, servers
or agents of the value added service (VAS) devices.
Meaning of the Label
Table E-3 describes the information on the label for the network cable that connects to the board.
Table E-3 Information on the label for the network cable
Content
Meaning
Example
MN-B-C-D
MN: Cabinet
number
"A01" indicates the first cabinet in row A.
B: Subrack
number
The subracks are numbered from bottom to top. 01 indicates
the lowest subrack.
C: Slot
number
The slots are numbered from top to bottom and from left to
right. 01 indicates slot 1 of the subrack.
D: Network
port number
The ports are numbered from top to bottom and from left to
right. 01 indicates the first network port.
MN: Cabinet
number
"B02" indicates the second cabinet in row B.
MN-Z
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Content
E Cable Labels
Meaning
Example
Z: Position of
the terminal
device
You can fill the number that indicates the position of the
terminal device according to actual conditions.
l For the router connected to the cabinet, specify the cabinet
number, subrack number, and network port number of the
router, such as B02-03-12.
l For the NMS workstation, specify the specific location.
For the network cables that connect to the hubs, servers, or agents of the VAS devices, the
information on the labels is provided according to the actual conditions.
l
For the cable from the hub to the server, specify the cabinet number and subrack number
where the hub is located, and specify the serial number on the hub. Specify the cabinet
number and subrack number where the server is located. For a stand-alone server, specify
the specific position of the server.
l
For the cable from the hub to the agent, specify the serial number of the network port on
the agent end. The cabinet number and the subrack number should be the same as the cabinet
number and the subrack number described in Table E-3.
l
For a stand-alone hub that is not installed in any subrack or cabinet, specify its recognizable
position.
Specify the serial number on the hub, the network port number of the agent and the position of
the stand-alone server according to the actual conditions.
Example of the Label
Figure E-10 shows the label for the network cable.
Figure E-10 Example of the label for the network cable
A01-03-10-05
B02-03-12
TO:
l
"A01-03-10-05" indicates that one end of the network cable is connected to Ethernet port
05, slot 10, subrack 03 of the cabinet in row A, column 01.
l
"B02-03-12" indicates that the other end of the network cable is connected to Ethernet port
12, subrack 03 of the cabinet in row B, column 02. The slot number is not specified.
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E.7 Labels for Optical Fibers
This topic provides information on labels and example of labels for optical fibers. There are two
types of labels that are used for optical fibers: one for the optical fiber connecting two cabinets
and one for the optical fiber connecting the cabinet to the ODF.
Meaning of the Label for Optical Fiber Connecting Two Cabinets
Table E-4 describes the information on the label for the optical fiber connecting two cabinets.
Table E-4 Information on the label for the optical fiber connecting two cabinets
Content
Meaning
Example
MN-B-C-D-R/
T
MN: Cabinet number
A01 indicates the first cabinet in row A.
B: Subrack number
The subracks are numbered from bottom to
top. 01 indicates the lowest subrack.
C: Slot number
The slots are numbered from left to right
and from top to bottom. 01 indicates slot 5
of the subrack.
D: Optical port number
The optical port is numbered from left to
right and from top to bottom. 05 indicates
the fifth optical port.
R: Optical receiving
interface
-
T: Optical transmitting
interface
MN-B-C-D-R/
T
MN: Cabinet number
B: Subrack number
C: Slot number
It is the same as the preceding example.
When the local cabinet and the opposite
cabinet are not in the same telecommunications room, MN indicates the name of the
telecommunications room.
D: Optical port number
R: Optical receiving
interface
T: Optical transmitting
interface
Example of the Label on the Optical Fiber Connecting Two Cabinets
Figure E-11 shows the label on the optical fiber connecting two cabinets.
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Figure E-11 Example of the label on the optical fiber connecting two cabinets
A01 01 05 05 R
G01 01 01 01 T
TO:
l
"A01-01-05-05-R" indicates that one end of the optical fiber is connected to the optical
receiving interface 05 in slot 05, subrack 01 in the cabinet in row A, column 01.
l
"G01-01-01-01-T" indicates that the other end of the optical fiber is connected to optical
transmitting interface 01 in slot 01, subrack 01 in the cabinet in row G, column 01.
Meaning of the Label for Optical Fiber Connecting the Cabinet to the ODF
Table E-5 describes the information on the label for the optical fiber connecting the cabinet to
the ODF.
Table E-5 Information on the label for the optical fiber connecting the cabinet to the ODF
Content
Meaning
Example
MN-B-C-D-R/T
MN: Cabinet number
A01 indicates the first cabinet in row A.
B: Subrack number
The subracks are numbered from bottom to
top. 01 indicates the lowest subrack.
C: Slot number
The slots are numbered from left to right
and from top to bottom. 01 indicates slot 5
of the subrack.
D: Optical port number
The optical port is numbered from left to
right and from top to bottom. 05 indicates
the fifth optical port.
R: Optical receiving
interface; T: Optical
transmitting interface
-
MN: ODF row and ODF
column.
M: numbered A to Z from front to back in
each row.
ODF-MN-B-C-R/
T
N: numbered 01 to 99 from left to right.
G01: ODF in row G and column 01.
B: Row number of the
terminal
Range: 01-99, such as 01.
C: Column number of the Range: 01-99, such as 01.
terminal
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Content
Meaning
Example
R: Optical receiving
interface
-
T: Optical transmitting
interface
Example of the Label on the Optical Fiber Connecting the Cabinet to the ODF
Figure E-12 shows the label on the optical fiber connecting the cabinet to the ODF.
Figure E-12 Example of the label on the optical fiber connecting the cabinet to the ODF
01
R
TO:
A01
ODF G01 01
01
05
05
T
l
"ODF-G01-01-01-R" indicates that one end of the optical fiber is connected to the optical
receiving terminal in row 01, column 01 of the ODF in row G, column 01.
l
"A01-01-05-05-T" indicates that the other end of the optical fiber is connected to optical
receiving interface 05 in slot 05, subrack 01 in the cabinet in row A, column 01.
E.8 Labels for Trunk Cables
This topic describes the content and the meaning of the label for the trunk cable, and provides
the example of filling in the label.
There are two types of labels that are used for trunk cables:
l
One type of the label is used for the trunk cable connecting two cabinets, such as the label
for the trunk cable from the trunk board to the built-in transmission unit and the label for
the trunk cable from the trunk board to the trunk board. The labels are attached to both ends
of the trunk cable to identify the position of the cable on the cabinet or the trunk board.
l
The other type of the label is used for connecting the cabinet and the DDF. The labels are
attached to both ends of the trunk cable to identify the positions of the cable on the cabinet
and the DDF.
The trunk cables include 75-ohm E1 cable, 120-ohm E1 cable, 100-ohm T1 cable, 120-to-75ohm trunk cable, 34 Mbit/s cable, 45 Mbit/s cable, 140 Mbit/s cable, 155 Mbit/s cable, and clock
cable.
Meaning of the Label for Trunk Cable Connecting Two Cabinets
Table E-6 describes the information on the label for the trunk cable connecting two cabinets.
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Table E-6 Information on the labels for the trunk cable connecting two cabinets
Content
Meaning
Example
MN-B-C-D-R/T
MN: Cabinet
number
A01 indicates the first cabinet in row A.
B: Subrack
number
The subracks are numbered from bottom to top. 01
indicates the lowest subrack.
C: Slot number
The slots are numbered from left to right, from top
to bottom. 01 indicates slot 1 of the subrack.
D: Cable number
The cables are numbered from left to right, from top
to bottom. 12 indicates the 12th trunk cable.
R: Optical
receiving
interface; T:
Optical
transmitting
interface
-
MN: Cabinet
number
A01 indicates the first cabinet in row A.
B: Subrack
number
The subracks are numbered from bottom to top. 01
indicates the lowest subrack.
C: Slot number
The slots are numbered from left to right, from top
to bottom. 01 indicates slot 1 of the subrack.
D: Cable number
The cables are numbered from left to right, from top
to bottom. 12 indicates the 12th trunk cable.
R: Optical
receiving
interface; T:
Optical
transmitting
interface
-
MN-B-C-D-R/T
Example of the Label for Trunk Cable Connecting Two Cabinets
Figure E-13 shows the information on the label for the trunk cable connecting two cabinets.
Figure E-13 Labels for the trunk cable connecting two cabinets
G01 01 05 12 T
D02 01 01 01 R
TO:
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l
"G01-01-05-12-T" indicates that one end of the trunk cable is connected to the transmitting
terminal of trunk cable 12 on slot 05, subrack 01 in the cabinet in row G, column 01.
l
"D02-01-01-10-R" indicates that the other end of the trunk cable is connected to the
receiving terminal of trunk cable 10 on slot 01, subrack 01 in cabinet in row D, column 02.
Meaning of the Label for Trunk Cable Connecting the Cabinet to the DDF
Table E-7 describes the information on both sides of the labels for the trunk cable connecting
the cabinet to the DDF.
Table E-7 Information on labels for the trunk cable connecting the cabinet to the DDF
Content
Meaning
Example
MN-B-C-D-R/
T
MN: Cabinet
number
A01 indicates the first cabinet in row A.
B: Subrack number
The subracks are numbered from bottom to top. 01
indicates the lowest subrack.
C: Slot number
The slots are numbered from left to right, from top to
bottom. 01 indicates slot 1 of the subrack.
D: Cable number
The cables are numbered from left to right, from top
to bottom. 05 indicates the fifth network port.
R: Optical
receiving
interface; T:
Optical
transmitting
interface
-
MN: DDF number.
M: DDF row, numbered from A to Z. N: DDF
column, numbered from 01 to 99. For example, G01
indicates the first DDF in row G.
B: Row number of
the terminal
Range: 01–99, such as 01–01.
DDF-MN-BC-D/R/T
C: Column number
of the terminal
D: Direction A or
B. R: Optical
receiving port. T:
Optical
transmitting port.
A indicates that the DDF terminal is connected to the
optical device. B indicates that the DDF terminal is
connected to the switching device.
Example of the Label for Trunk Cable Connecting the Cabinet to the DDF
Figure E-14 shows the information on both sides of the label for the trunk cable connecting the
cabinet and the DDF.
E-18
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E Cable Labels
Figure E-14 Example of the label on the trunk cable connecting the cabinet to the DDF
03
01
01
T
TO:
DDF G01 01
A01
01
AR
l
"A01-03-01-01-R" indicates that one end of the trunk cable is connected to the receiving
terminal of trunk cable 01 in slot 01, subrack 03 of the cabinet in row A, column 01.
l
"DDF-G01-01-01-AR" indicates that the other end of the trunk cable is connected to the
receiving terminal of direction A (connected to optical network device) in row 01, column
01 of the DDF in row G and column 01.
E.9 Label for Subscriber Cables
This topic provides information on labels and example of labels for subscriber cables.
The labels are attached to both ends of the subscriber cable to identify the positions of the cable
on the cabinet and the MDF.
Meaning of the Labels
Table E-8 describes the information on the labels for the subscriber cable.
Table E-8 Information on the labels for the subscriber cable
Content
Meaning
Example
MN-B-C-D
MN: Cabinet number
A01 indicates the first cabinet in row A.
B: Subrack number
The subracks are numbered from bottom
to top. 03 indicates the third subrack.
C: Slot number
The slots are numbered from left to right
and from top to bottom. 01 indicates slot
1 of the subrack.
D: Cable number
The cables are numbered from left to right
and from top to bottom. 01 indicates slot
1 of the subrack.
MN: MDF number
M: ODF row, numbered from A to Z. N:
MDF column, numbered from 01 to 99.
G01 indicates the first MDF in row G.
B: Row number of the terminal
Range: 01-99, such as 01-01.
MDF-MN-BC
C: Column number of the
terminal
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E Cable Labels
Example of the Label
Figure E-15 shows the label for the subscriber cable.
Figure E-15 Example of the label for the subscriber cable
A01 03 01 01
MDF G01 01 01
TO:
l
"A01-03-01-01" indicates that the local end of the subscriber cable is connected to terminal
01 in slot 01, subrack 03 of the cabinet in row A, column 01.
l
"MDF-G01-01-01" indicates that the peer end of the subscriber cable is connected to the
terminal in row 01, column 01 of the MDF in row G, column 01.
E.10 Labels for DC Power Cables
This topic provides information on labels and example of labels for DC power cables.
The labels are attached to the DC cables of the DC-powered cabinet, including the -48 V, PGND
and BGND cables. The label for the DC power cable is attached to one side of the identification
plate on the cable tie.
Table E-9 shows the information on the label for the DC power cables.
Table E-9 Meaning of the label for the DC power cables
Content
Meaning
MN(BC)- -48 V1
MN(BC): BC is written right below MN.
On the loaded cabinet side, only MN is used to identify the
cabinet.
On the power distribution device side:
l MN identifies the row and column numbers of the power
distribution device such as the control cabinet and power
distribution box.
l BC identifies the row and column numbers of the -48 V
connector. If the row number or the column number does
not exist, or the connector can be identified without the row
or column number, BC can be omitted.
The BGND and the PGND cables do not require the row or the
column number.
MN(BC)- -48 V2
MN(BC)- BGND
MN(BC)- PGND
The label indicates only the location of the peer end, control cabinet or distribution box.
Information about the local end is not required. Table E-9 lists the information about the two
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E Cable Labels
inputs of the -48 V power supply on the label. The information about other DC voltages (such
as 24 V, 60 V) should be written in a similar way. Make sure that the labels are attached in the
correct direction. After the cable ties are bundled on to the cable, the identification plates with
the labels should point upward.
The contents on the cable labels in the same cabinet should be in the same direction, as shown
in Figure E-16.
Figure E-16 Example of the labels on the DC power cable
TO:
A01
B08
-48V2
Label on the loaded cabinet side (position of the
cable on the power distribution cabinet side)
TO:
B03
-48V2
Label on the power distribution frame side
(position of the cable on the loaded cabinet side)
l
On the loaded cabinet side, the label marked as "A01/B08- -48 V2" indicates that the cable
is used for the -48 V2 DC supply. The cable is routed from the 8th connector in row B of
the -48 V busbar in the power distribution cabinet in row A, column 01.
l
On the power distribution cabinet side, the label marked as "B03- -48 V2" indicates that
the cable is used for the -48 V2 DC supply. The cable is routed from the loaded cabinet in
row B, column 03.
The label context is listed:
l
In the power distribution cabinet (or the first power cabinet of a row in the transmission
telecommunications room), each terminal on the -48 V connector bar has a numeric
identification. For example, such as "08" (also mentioned as "8") in the label "A01/B08-48 V2."
l
The PGND and the BGND are two copper bars. The terminals are directly connected to
these copper bars. Therefore, the connection of any of the terminal does not affect the
distribution of the power supply. Only the row and column numbers of the power
distribution cabinet are required. For example, if the label on the loaded cabinet side is
"A01-BGND", the power cable is a BGND cable that is connected to the BGND copper
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E Cable Labels
bar in the power distribution cabinet in row A, column 01. The information on the labels
for the PGND cables must be provided in the similar way.
E.11 Labels for AC Power Cables
This topic provides information on labels and example of labels for AC power cables.
The labels are attached to the AC cables, including the 110/220 V, BGND and PGND cables
that supply power to the cabinets. Labels are attached to both ends of the cable. The 110/220 V,
BGND, and PGND cables have the insulation sheath. Hence, you only need to write "AC" and
the cabinet number on each label.
The labels for AC power cables are attached to one side of the identification plate on the cable
tie. Table E-10 describes the meaning of the label for the AC power cable.
Table E-10 Meaning of the label for the AC power cable
Content
Meaning
MN-AC
MN: Cabinet number or the power socket position. Power socket: Mark the
positions clearly to avoid confusion. If the sockets have multiple rows and
columns, identify their positions as the cabinet.
The label only indicates the location of the peer end or socket. Information about the local end
is not required. Ensure that the labels are attached in the correct direction. After the cable ties
are bundled onto the cable, the identification plates with the labels must point upward, as shown
in Figure E-17.
Figure E-17 Example of the labels on the AC power cable
TO:
A01
AC
TO:
B01
AC
Label on the loaded cabinet side (position of the Label on the power distribution cabinet side
cable on the power distribution cabinet side)
(position of the cable on the loaded cabinet side)
E-22
l
On the loaded cabinet side, the label marked as "A01-AC" indicates that the cable is routed
from the power socket in row A and column 01.
l
On the power distribution cabinet side, the label marked as "B01-AC" indicates that the
cable is routed from the loaded cabinet in row B and column 01.
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F
F Environment Requirements
Environment Requirements
This appendix describes the requirements on storage environment, transportation environment,
and running environment.
The environment can be classified into three types: storage environment, transportation
environment, and running environment. The environment requirements are regulated according
to the following:
l
ETS 300019 Equipment Engineering (EE); Environmental conditions and environmental
tests for telecommunications device
l
IEC 60721 Classification of environmental conditions
F.1 Storage Environment Requirements
This topic describes the requirements on the storage environment (climatic environment,
waterproof environment, biological environment, air cleanness, and mechanical stress).
F.2 Transportation Environment Requirements
This topic describes the requirements on the transportation environment of the device.
F.3 Running Environment
This topic describes the requirements on the climatic environment, waterproof environment,
biological environment, air cleanness, mechanical stress, and electromagnetic environment.
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F.1 Storage Environment Requirements
This topic describes the requirements on the storage environment (climatic environment,
waterproof environment, biological environment, air cleanness, and mechanical stress).
Climatic Requirements
Table F-1 lists the climatic requirements.
Table F-1 Climatic requirements
Item
Range
Temperature
–45°C to +70°C
Relative humidity
8% to 100%
Absolute humidity
0.03 g/m3 to 30 g/m3
Temperature change rate
≤ 0.5°C/min
Atmospheric pressure
70 kPa to 106 kPa
Rainfall intensity
≤ 15 mm/min
Solar radiation
≤ 1120 W/m3
Wind speed
≤ 50 m/s
Waterproof Requirements
Storage requirements of the on-site device are as follows:
l
Place the device indoors.
l
There should be no water on the ground.
l
Water should not flow into the package.
l
Store the device away from the places where it may be exposed to leakage from automatic
fire fighting devices or heaters may occur.
Biological Environment Requirements
l
Take measures to prevent the spread of microorganism, such as epiphyte and mildew.
l
Take measures against rodents, such as mice.
l
There must be no explosive, conductive, magneto-conductive or corrosive dust.
l
The density of mechanically active materials in the air must comply with the restrictions
listed in Table F-2.
Air Cleanness
F-2
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Table F-2 Restrictions on the density of mechanically active materials in the air for storage
Mechanically Active Material
Restriction
Suspending dust
≤ 5.00 mg/m3
Precipitable dust
≤ 20.0 mg/m2h
Sand
≤ 300 mg/m3
NOTE
l Suspending dust: diameter ≤ 75 μm
l Precipitable dust: 75 μm ≤ diameter ≤ 150 μm
l Sand: 150 μm ≤ diameter ≤ 1000 μm
l
The density of chemically active materials in the air must comply with the restrictions listed
in Table F-3.
Table F-3 Restrictions on the density of chemically active materials in the air for storage
Chemically Active Material
Restriction
SO2
≤ 0.30 mg/m3
H 2S
≤ 0.10 mg/m3
NO2
≤ 0.50 mg/m3
NH3
≤ 1.00 mg/m3
Cl2
≤ 0.10 mg/m3
HCl
≤ 0.10 mg/m3
HF
≤ 0.01 mg/m3
O3
≤ 0.05 mg/m3
Mechanical Stress
The mechanical stress imposed on the device that is stored must comply with the restrictions
listed in Table F-4.
Table F-4 Restrictions on mechanical stress imposed on the device that is stored
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Item
Sub-item
Range
Sinusoidal
vibration
Amplitude
≤ 7.0 mm
-
Accelerated speed
-
≤ 20.0 m/s2
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Item
Non-stable
impulse
Sub-item
Range
Frequency range
2 Hz to 9 Hz
Impulse response
spectrum II
≤ 250 m/s2
Static load
≤ 5 kPa
9 Hz to 200 Hz
NOTE
l Impulse response spectrum: It refers to the maximum accelerated speed response curve generated by
the device under the specified impulse motivation. Impulse response spectrum II means that the
duration of half-sine impulse response spectrum is 22 ms.
l Payload: It refers to the bearable pressure of the device with package when it is piled up in the prescribed
mode.
F.2 Transportation Environment Requirements
This topic describes the requirements on the transportation environment of the device.
The transportation environment includes climatic environment, waterproof environment,
biological environment, air cleanness, and mechanical stress.
Climatic Requirements
Table F-5 lists the climatic requirements.
Table F-5 Climatic requirements
F-4
Item
Range
Temperature
–40°C to +70°C
Relative humidity (The temperature varies
little)
95%
Relative humidity (The temperature varies
much, air/air)
95%
Temperature change rate: air/air
–40°C/+30°C
Temperature change rate: air/water
+40°C/+5°C
Atmospheric pressure
≥ 70 kPa
Rainfall intensity
≤ 6 mm/min
Solar radiation
≤ 1120 W/m²
Heat radiation
≤ 600 W/m²
Wind speed
≤ 5 m/s
+45°C
–40°C/+30°C
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Waterproof Requirements
During the transportation, the following conditions must be met:
l
Store the package in good condition.
l
Take waterproof measures to prevent rain from entering the package.
l
There should not be any water on the device when it is transported.
Biological Environment Requirements
l
Take measures to prevent the spread of microorganism, such as epiphyte and mildew.
l
Take measures against rodents, such as mice.
l
There must be no explosive, conductive, magneto-conductive or corrosive dust.
l
The density of mechanically active materials in the air must comply with the restrictions
listed in Table F-6.
Air Cleanness
Table F-6 Restrictions on the density of mechanically active materials in the air for
transportation
Mechanically Active Material
Restriction
Suspending dust
No requirement
Precipitable dust
≤ 3.0 mg/m²•h
Sand
≤ 100 mg/m³
l
The density of chemically active materials in the air must comply with the restrictions listed
in Table F-7.
Table F-7 Restrictions on the density of chemically active materials in the air for transportation
Issue 01 (2011-01-15)
Chemically Active Material
Restriction
SO2
≤ 0.30 mg/m³
H 2S
≤ 0.10 mg/m³
NO2
≤ 0.50 mg/m³
NH3
≤ 1.00 mg/m³
Cl2
≤ 0.10 mg/m³
HCl
≤ 0.10 mg/m³
HF
≤ 0.01 mg/m³
O3
≤ 0.05 mg/m³
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Mechanical Stress
The mechanical stress imposed on the device that is transported must comply with the restrictions
listed in Table F-8.
Table F-8 Restrictions on the mechanical stress imposed on the device that is transported
Item
Sub-item
Range
Sinusoidal
vibration
Offset
≤ 3.50 mm
-
-
Accelerated
speed
-
≤ 20.0 m/s²
≤ 15.0 m/s²
Frequency
range
2 Hz to 9 Hz
9 Hz to 200 Hz
200 Hz to 500 Hz
Spectrum
density of
accelerated
speed
1 m²/s³
0.3 m²/s³
0.3 m²/s³
Frequency
range
10 Hz to 200 Hz
200 Hz to 500 Hz
500 Hz to 1000 Hz
Impulse
response
spectrum II
≤ 300 m/s²
Static load
≤ 5 kPa
Random
vibration
Non-stable
impulse
F.3 Running Environment
This topic describes the requirements on the climatic environment, waterproof environment,
biological environment, air cleanness, mechanical stress, and electromagnetic environment.
The running environment includes climatic environment, waterproof environment, biological
environment, air cleanness, mechanical stress, and electromagnetic environment.
Climate
Table F-9 lists the climatic requirements.
Table F-9 Climatic requirements
F-6
Item
Range
Temperature
-5°C to +45°C
Relative humidity
5% to 95%
Absolute humidity
1 g/m3 to 29 g/m3
Temperature change rate
≤ 0.5°C/min
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Item
Range
Atmospheric pressure
70 kPa to 106 kPa
Solar radiation
≤ 700 W/s²
Thermal radiation
≤ 600 W/s²
Wind speed
≤ 5 m/s
Biological Environment Requirements
l
Take measures to prevent the spread of microorganism, such as epiphyte and mildew.
l
Take measures against rodents (such as mice) and insects.
l
There is no explosive, conductive, magneto-conductive or corrosive dust.
l
The density of mechanically active materials in the air should comply with the restrictions
stated in Table F-10.
Air Cleanness
Table F-10 Restrictions on the density of mechanically active materials in the air for storage
Mechanically Active Material
Restriction
Suspending dust
≤ 0.40 mg/m³
Precipitable dust
≤ 15.00 mg/m²•h
Sand
≤ 300.00 mg/m³
l
The density of chemically active materials in the air should comply with the restrictions
stated in Table F-11.
Table F-11 Restrictions on the density of chemically active materials in the air for storage
Chemically Active Material
Range
SO2
≤ 0.30 mg/m³
H 2S
≤ 0.03 mg/m³
NH3
≤ 1.00 mg/m³
Cl2
≤ 0.10 mg/m³
Mechanical Stress
Table F-12 lists the requirements on mechanical stress.
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Table F-12 Requirements on mechanical stress imposed on the device that is stored
Item
Sub-item
Range
Sinusoidal
vibration
Offset
≤ 3.5 mm
-
Accelerated speed
-
≤ 10.0 m/s²
Frequency range
2 Hz to 9 Hz
9 Hz to 200 Hz
Impulse response
spectrum II
≤ 40 m/s²
Static load
0
Non-stable impulse
Electromagnetic Environment
Table F-13 lists the requirements on the electromagnetic environment.
Table F-13 Requirements on the electromagnetic environment
Electromagnetic Phenomenon
Value
Low frequency
magnetic field
Frequency (Hz)
50 to 20000
Ampl. (A/m rms)
10 to 0.025
Amplitude
modulation RF
electric field
Frequency (MHz)
0.009 to 1000
Ampl. (V/m rms)
3
Pulse modulation RF
electric field
Frequency (GHz)
1 to 20
Ampl. (V/m peak)
3
Requirements on ESD Prevention
The absolute value of electrostatic voltage is less than 2000 V.
Requirements on Lightning Proof Grounding
Table F-14 lists the requirements on lightning proof grounding.
F-8
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Table F-14 Requirements on lightning proof grounding
Item
Requirement Description
Capital
construction
l Use the reinforced concrete structure for the construction of the
telecommunications room.
l Install the lightning proof device in the telecommunications room.
l The lightning proof ground must share the same ground body with
the protection grounding of the telecommunications room.
l Use a special power transformer for the telecom offices. Use the metal
jacket or steel tube to cover the power cables before burying them
under the ground. Ground both ends of the metal jacket or steel tube
nearby and properly. Bury the cable under the ground. The length
underground should not be less than 15 m.
AC power
requirements
l Use a TN-S power supply system for the telecom offices. The socket
that supplies power to box-type products should be a uniphase triplex
socket. Make sure that the contact holes of PE cables (PGND cable)
in the socket can provide reliable protection grounding for powerdemanding device and maintenance terminal. Install a gapless zinc
oxide arrester to each of the three phase lines on the low tension side
of the AC power transformer. Ground the enclosure of the
transformer, the neutral lines on the low tension side, and the metal
steel tubes of the power cables that connect to the enclosure of the
transformer correctly and close to each other.
Power cables
leading in the
communications
site be equipped
with the lightning
protection box
l Do not lead the AC/DC power cables in and out of the
communications site in the aerial mode.
l After the low-voltage power cables are led into the telecommunications room, install the lightning protection box for the power cables
in the AC voltage stabilizer and the AC power distribution panel
(unit). Ground the arrester correctly and close to the unit.
l For the telecommunications room built in the cities, install the power
supply arrester with the nominal discharging current of not less than
20 kA.
l For the telecommunications room built in the suburbs, where
lightning strikes occur, install the power supply arrester with the
nominal discharging current that is larger than 60 kA.
l For the telecommunications room in the mountain areas, where
lightning strikes occur, or in separate high-rise buildings in the city,
install the power supply arrester with the nominal discharging current
that is larger than 100 kA.
l The ground cable of the lightning protection box should be shorter
than 1 m.
Grounding of DC
power distribution
l Connect the DC working ground (positive pole of the –48 VDC
power supply or the negative pole of the 24 VDC power supply) to
the nearest indoor collective ground cable. The total ground cable
should meet the maximum load of the device.
l The power device must have the DC working ground cable, which
can connect the power device to the collective ground cable.
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F Environment Requirements
Item
Requirement Description
Equipotential
connection
l Ground all devices and auxiliary devices in the telecommunications
room properly. Connect all PGND cables to the collective protection
ground bar. Join all PGND cables in one telecommunications room
to one protection ground bar.
l Ensure that the grounding network for the working ground and the
protection ground should be shared.
l Ground the cable racks, suspended iron supports, frames or
enclosures, metal ventilation pipe, metal windows and doors
correctly.
General
Requirements on
grounding
l Do not connect the neutral line of the AC power cable to the
protection ground of any telecom device in the telecommunications
room.
l Ground cables should meet the maximum payload requirement of the
device.
l Do not install the fuse or switch on the ground cable.
l Ensure that all ground cables are as short as possible, and arrange
them as straight as possible. No oxidation corrosion should occur in
the general ground bar. Otherwise, ground bar cannot connect
properly to the ground cables, which results in the increase of contact
resistance on the ground path. Make sure that the ground cables are
connected reliably to the ground bar in the telecommunications room.
l The ground resistance of the grounding system should be less than
10 ohms.
Grounding
resistance
l Keep the upper end of the ground body at least 0.7 meters over the
ground. In cold areas, bury the ground body below the frozen ground.
l Measure the ground resistance periodically (monthly) to ensure the
effective grounding.
Subscriber cables
and MDF
l The external subscriber cable must be led into the site under the
ground.
l The metal jacket of the cable should be grounded in the distribution
frame.
l The MDF must be equipped with a protective unit.
l Perform spot test on the protective unit periodically (every 2 years)
according to relevant standards and replace the disabled or degraded
protective units in time.
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Item
Requirement Description
Routing of signal
cables
l Do not arrange the signal cables overhead in the telecommunications
room. All signal cables must be led into the site under the ground.
l The metal jackets of all cables led into the telecommunications room
should be grounded in the distribution frame or connected to the
protection ground bar in the telecommunications room.
l After signal cables are led into the device, relevant signal lightning
protection boxes should be installed for the corresponding ports on
the device.
l Ensure that the ground cable of the lightning protection box is as short
as possible.
l The idle line pair of the signal cable from or to the office should be
grounded in the telecommunications room.
Collective ground
cable
l Use the ground ring or ground bar for the collective ground cable.
l Do not use aluminum cables as ground cables. Take measures to
prevent electrification corrosion when connecting different metal
parts together.
l Use the copper busbar as the collective ground cable with the crosssectional area of not less than 120 mm², or use the galvanized flat
steel that has the same resistance.
Grounding lead-in
cable
Use the galvanized flat steel with cross-sectional area of 40 mm x 4 mm
or 50 mm x 5 mm.
Requirements on AC Power Supply
l
The AC power supply system should consist of mains, uninterrupted power supply (UPS),
and electric generator set. It should supply power in an integrated mode. The AC power
supply system should meet the requirement of the central office, and should provide simple
cable connection, safe operation, flexible distribution, and convenient inspection. The lowvoltage power supply system should use three-phase five-wire mode or mono-phase threewire mode. Table F-15 lists the requirements on the nominal voltage and frequency of the
low-voltage AC.
Table F-15 Requirements on the AC voltage and the frequency
l
Nominal Voltage
Rated Frequency
Mono-phase three-wire
110/127/220/380 (V)
220 VAC; 230 VAC
50/60 Hz
Three-phase five-wire
380 VAC; 400 VAC
50/60 Hz
Voltage fluctuation allowed:
For electric network:
– Fluctuation allowed: ±10%
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– Valid value fluctuation: ±15%
– Time: less than 500 ms.
For dynamic electric network:
– Fluctuation allowed: ±10%
– Time: less than 2 ms.
l
The UPS switchover time should not be more than 10 ms. Otherwise, it may cause the
device to restart or reset.
l
When determining the AC capacity in the telecommunications room, you must consider
the working current and fault current. An independent device must have an independent
AC distribution protection device. The protection switch configuration must be greater than
the protection switch configuration of the electricity device.
l
The generator set should have the following functions:
– Automatic power on and off
– Automatic recruitment
– Remote communication
– Remote control
– Remote measurement
– Standard interface and communication protocols
l
The AC neutral for communication must use the conducting wire that has the same cross
section as the phase cable.
l
The conducting wire is fire-resistant. Route the conducting wire according to the local
regulations, and set the low-voltage power distribution room also according to the local
regulations.
Requirements on DC Power Supply
F-12
l
The central offices should ensure the reliable DC power supply. Place the power device
near the telecom device so that the DC feeder is as short as possible. To reduce the power
consumption and installation cost, the loop voltage drop from the battery port to the device
port should be smaller than 3.2 V.
l
Configure two or more power supply systems, independent of each other, for the telecom
offices with heavy traffic or with more than two switching systems.
l
Configure multiple independent power systems for the large capacity site according to the
floor, powering each independent office respectively. Configure a centralized power room
or battery room for the office with medium traffic, or adopt the distributed power supply
system. Configure the integrated power supply system for the office with less traffic. Take
measures to prevent the corrosive gas released by the battery from eroding boards.
l
In designing the DC power supply system, you must consider the maximum payload in
dynamic and static conditions. Also, you have to reserve the margin. The cabling in the
power distribution panel must be planned based on the maximum capacity of the supplied
power supply payload. In this way, you can decide the type and the specifications of the
conducting wire.
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Select the DC power feeder according to the long-term payload. If the cross section exceeds
95 mm², use the hard bus cable. If there is a great difference between the recent and longterm payload, maintain the cabling in stages.
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Issue 01 (2011-01-15)
SmartAX MA5600T Multi-service Access Module
Installation Guide
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F Environment Requirements
The conducting wire is fire-resistant. Route the conducting wire according to the local
regulations, and set the low-voltage power distribution room also according to the local
regulations.
Table F-16 lists the specifications for the DC power supply.
Table F-16 Specifications for the DC power supply
Issue 01 (2011-01-15)
Item
Requirement
Permitted range of the –48 V
input voltage
–38.4 V to –57.6 V
Permitted range of the –60 V
input voltage
–48 V to –72 V
DC power capacity to support the
surge current
Greater than 1.5 times of the rated current at least
Regulated voltage precision
If the AC input voltage is in the range of 85%–110% of
the rated value, and the load current is in the range of 5%–
100% of the rated value, the output voltage of the rectifier
is an integer in the range of –46.0 V to –56.4 V, with the
regulated voltage precision ≤ 1%.
Overshoot amplitude of switch
on/off
Not more than ±5% of the integral value of the DC output
voltage
Peak-to-peak noise voltage
≤ 200 mV
Dynamic response
The recovery time is less than 200 ms. The overshoot is
in the range of the integral value of the DC output voltage
±5%.
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F-13