FHotto
The
Networking
Powerttouse
H216D/H216/H224/H232
16/24/32-port 10/100Mbps Dual Speed Hubs
User's Manual
Ver.: 1.0
FCC Warning
This device has been tested and found to comply with limits for a Class A digital
device, pursuant to Part 15 ofthe FCC Rules. These limits are designed to provide
rea.sonable protection against harmful interference when the equipment is operated
in a commercial environment. This equipment generates, uses and can radiate radio
frequency energy and, if noi installed and used in accordance with the user's
manual, may cause interference in which case user will be required to correct the
interference at his own expense.
CE Mark Warning
This is a Class A product. In a domestic environment, this product may cau.se
radio interference in which case the user may be required to take adequate measures.
Table of Contents
Chapter 1. Introduetion
1-1
About the Dual Speed Hubs
1-1
Package Contents
1-2
Key Features
1-3
Overview
1-3
Front Panel
LEDs Indication
Rear Panel
Ports
Chapter 2. Installation
1-3
1-4
1-5
1-6
2-1
Hubs Allocation
2-1
Installing Rubber Feet
2-1
Stacking the Hubs
2-2
Connecting Other Network Devices
2-3
Connecting Workstations
Connecting the MDl-Il Port
Connecting Ethemet Hubs
Connecting Fast Ethemet Hubs
Connecting Ethemet Switching Hubs
2-3
2-5
2-6
2-7
2-8
Appendix A. Product Specifications
A-1
Appendix B. RJ-45 Connector Descriptions
B-1
Introduction
JLJ
Chapter
1
Introduction
About the Dual Speed Hub
The 16/24/32-port 10/100Mbps dual speed hubs are designed as a compact and
llcxible solution for workgroups or SOHO LANs (small office/home office), while
offering an array of features.
The dual speed hubs provide a built-in switch function, sixtccn/twenty-four/thirlytwo 10/lOOMbps shielded twisted-pair (STP) ports, one MDI-II port (for 16/24-port
dual speed hub only), and LED for the indications of Power, Link/Rx, Collision,
Partition, Utilization and Transmission Speed.
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Figure I.I H216D 10/100 Mhps Dual Speed Hub
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Figure 1.2 H2I6 lO/l00Mbps Dual Speed Hub
Introduction
1-2
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Figure 1.3 H224 10/100Mbps Dual Speed Hub
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Figure 1.4 H232 10/100Mbps Dual Speed Hub
Package Contents
A 10/100Mbps dual speed hub
An AC power Cord
A cascade cable (DB25)
Four Rubber Foot Pads
A rack-mount kit which includes two rack-mount brackets and six
mounting screws
One TP cross-over connector (For H232 10/100Mbps dual speed hub only)
This User's Manual
JL3
Introduction
Key Features
Any of 16/24/32-port dual speed hub provides the following key features.
Auto-sensing for 10/100Mbps transmission speed.
Sixteen/twcnty-four/thiny-two 10Mbps or 100Mbps Fast Ethernet ports
for Category 5 UTP cables.
One MDl-ll uplink port for easy expansion. (For 16/24-port dual speed
hubs only)
Power, Collision, Link/Rx, Partition, Speed indicators.
In compliance with ILHE 802.3 and IEEE 802.3u standards.
Built-in switch lunction.
16/24-port 10/100Mbps dual speed hubs—Five hubs per stack.
32-port 10/100Mbps dual speed hubs -Three hubs per stack.
Auto-conliguring the switch function to prevent "Looping" in a stack.
Overview
Front Panel
The front panels ofthe 16/24/32-port 10/100Mbps dual speed hubs are shown
below.
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1
Auto-Sensing
10/100 Mbps
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Figure 1.5 H216D Front Panel
Introduction
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Auto-S ens ing
10/100 Mbps
Figure 1.6 11216 Front Panel
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Figure 1.7 H224 Front Panel
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Figure 1.8 H232 Front Panel
LEDs Indication
LED
Status
Indication
Power
Green
The hub is receiving electrical power.
Collision
Yellow
There are two Collision LEDs. One is
for 10Mbps segment, and the other is for
100Mbps segment. When there is
Collision in a segment, the LED for that
segment will blink.
Introduction
JLS
Status
LED
Utilization
Indication
5%, 15%, 25%- • Green
35%, 55%
Link/R.\
Yellow
There are two rows of 5 gradient
Utilization LEDs. One is for 100Mbps
segment, and the other is for 10Mbps
segment. The Utilization LEDs show the
combined utilization ofthe ports in each
segment.
Green
A port has established a valid
10/100Mbps network connection.
Green (Blinking)
10/100Mbps traffic is traversing the
port.
Partition
Yellow
A port has been partitioned from the
network.
Speed
ON—Green
A port has established a valid 100Mbps
network connection.
OFF
A port has established a valid 10Mbps
network connection.
Rear Panel
The rear panels of 16/24/32-porl 10/100Mbps dual speed hubs are shown below.
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Figure 1.9 H216D Rear Panel
CASCADE IN
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Figure 1.10 H2I6./H224 Rear Panel
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Figure 1.11 H224 Rear Panel
Ports
H216D and H216 front panels support sixteen dual speed ports and one MDl-ll
ports.
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4x
6x
8x
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Figure 1.12 H2I6D/H2I6 Ports
H224 front panel supports twenty-four dual speed ports and one MDI-11 ports.
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4x
6x
8x
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12x
14x
16x
18x
20x 22x 24x
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19x 21x
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Figure 1.13 H224 Ports
2x
4x
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12x
14x 16x
18x
20x 22x
24x
26x
28x
30x 32x
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Figure 1.14 H232 Ports
23x
2Sx
27x 29x 31x
Installation
Chapter
_2rl
2
Installation
(Hubs Allocation
The location chosen for a hub should be less than 100 meters from servers,
workstations, or switches.
C a u t i o n : Category 5 UTP/STP cables are environment-sensitive. Make
sure that the cable route is not too close to electrical noise
sources such as power lines or fluorescent lights.
Installing Rubber Feet
You may place the hub on a table or wiring closet shelf In this case, stick the four
self-adhesive rubber feet which come with the package at the four comers on the
bottom surface ofthe hub as shown on Figure 2.1 so as to reduce impact.
Figure 2.1 Installing the rubber feet
2-2
Installation
Stacking the Hubs
You may stack the hubs using the DB-25 connector on the rear panels.
Please refer to the following illustrators for stacking.
Step 1: Place the hubs on a smooth and horizontal surface.
Figure 2.2 Stacking Hubs on a Flat Surface
Step 2: Connect the first and second hub with the supplied stacking cable by
plugging one end of the cable into the CASCADE OUT port of the first
hub, the other end into the CASCADE IN port ofthe second hub.
Figure 2.3 Daisy Chain Ports
Installation
2^
Step 3: Make sure the each hub is connected properly. Fix the connectors by
fastening the bolts at both sides.
Step 4: Repeat step2 and step3 until all hubs are combined together in a stack.
Step 5: Attach the AC power cord to hubs and connect the AC plugs.
C a u t i o n : To connect daisy chain cable, the CASCADE IN port should
connect to the CASCADE OUT port of another hub.
Connecting Other Network Devices
The 16/24/32-port 10/1 OOM bps dual speed hubs can be connected to either 10Mbps
or lOOMbps devices due to its auto-sensing capability. This section will describe
Hub's applications to help you setting up your network topology.
Connecting Workstations
Install either lOBASE-T or 100BASE-TX Fast Ethernet Network Interface Card
into each computer if not installed yet. Then connect one end of each UTP 5 cable
to the Ethernet card's RJ-45 port in each computer and plug the other end into one
ofthe RJ-45 ports on the dual speed hub as shown.
/1
M /
Figure 2.4 Connecting Cables to a PC
Maximum length of a cable between a hub and devices is 100 meters.
Figure 2.5 Connecting Cables to the Hub
2-4
Installation
As shown in Figure 2.6, computers are connected to a 32-port 10/100Mbps dual
speed hub to form a simple network.
H232
mil iiii
Figure 2.6 Connecting Workstations
_2r5
Installation
Connecting ttie MDl-ll Port
The MDl-lI port is built to connect an additional hub to enlarge the network.
This MDl-Il port can be connected using straight through cable to other network
device such as 10Mbps Ethernet hub or 100Mbps Fast Ethemet hub.
N o t e : Port 1 is individually shared with the MDI-II port. When one is in
use, the other should not be used.
Figure 2.7 Connecting MDl-Il ports
Installation
2-6
Connecting Ethernet Hubs
The 16/24/32-pon dual speed hub works as an Ethernet hub if all the devices
connected to it arc at the speed of 10Mbps.
You may connect 10Mbps devices using UTP cables with RJ-45 plugs, which
enables sending/receiving to or from other 10Mbps devices. Each port on the dual
speed hub has auto-sensing ability. A 16/24/32-port dual speed hub can detect and
transmit correct 10Mbps information on a connected lOBase-T.
10 Mbps
10 Mbps
10 Mbps
Figure 2.8 Connecting Ethernet Hubs
10 Mbps
2-7
Installation
Connecting Fast Ethernet Hubs
The 16/24/32-port lO/lOOMbps dual speed hub works as a fast Ethernet hub if all
the devices connected to it are at the speed of lOOMbps.
You may connect lOOMbps devices using UTP cables with RJ-45 plugs, which
enables sending/receiving to other lOOMbps devices. Each port on HB-208PB has
auto-sensing ability. A 16/24/32-port dual speed hub can detect and transmit
correct lOOMbps information on a connected 100BASE-TX.
100 Mbps
100 Mbps
100 Mbps
100 Mbps
Figure 2.8 Connecting Fast Ethernet Hubs
Instaliation
2r8_
Connecting Ethernet Switching Hubs
The 16/24/32-port dual speed hub plays as an Ethemet switching hub. if you want
to implement lOBASE-T and 100BASE-TX simultaneously. Two ports connecting
to both 10Mbps and 100Mbps device are also required.
Internal Switch Application
16/24/32-port dual speed hub inhabits with switching function, which elTectively
communicates between two individual domains — lOOMbps and 10Mbps
transmissions throughout the entire links. Without this switching ability,
infonnation cannot pass between the two different speed domains.
10 Mbps
100 Mbps
100 Mbps
100 Mbps
Figure 2.9 Connecting Ethernet Switching Hubs
(Inteiviil Switch Application)
Appendix A
Appendix
Ad
A
Product Specifications
standards Compliance
IEEE 802.3 lOBASE-T Ethemet
IEEE802.3U 100BASE-TX Ethernet
Number of Ports
16-port dual speed hub
Sixteen 10/100 Mbps Auto-sensing RJ-45 Ethernet ports
24-port dual speed hub
Twenty-four 10/100Mbps Auto-sensing RJ-45 Ethernet ports
32-port dual speed hub
Thirty-two 10/lOOMbps Auto-sensing RJ-45 Ethernet ports
Media Exchange Interface
I MDl-ll Uplink port shared with port I (For 16/24-port dual speed hub only)
Number of Segments
Two independent segments of lOMbps and lOOMbps
LEDs Display
Per Device:
Power
Collision indications for each lOMbpsand lOOMbps segments
Bandwidth utilization, %
Per Port:
Link/Rx
Partition
Speed
A-2
Appendix A
Switching function
Build-in switching function for lOMbps and lOOMbps Segment communication
Packet forwarding between two collision domains (10/100Mbps): Store and
Forward mode.
Number of Hubs per Stack
Dedicated DB-25 stack ports
DB-25 cable daisy-chain
16/24-port dual speed hub
Five hubs per stack
32-port dual-speed hub
Three hubs per stack
Power Requirements
90-240 VAC, 50/60 Hz
Internal universal power supply
Environment
Operating Temperature: 0- to 50'C'
Storage Temperature: -30^ to 60"C
Operating Humidity: 5% to 95% non- condensing
Safety Regulations
cUL
EMI Certifications
CE Mark
FCC Class A
Dimensions
Desktop
Wx Dx H:300x 190x44mm
Rack-mount
W x D x H : 440 x213 x55mm
Weight
H2I6D: 1.3 Kg
H224: 2.9 Kg
H216:
H232:
Mounting
Optional 19" rack-mount bracket
2.8 Kg
3 Kg
Appendix B
B-1
Appendix
B
RJ-45 Connector
Descriptions
The pin arrangement ofthe hub's RJ-45 connector is shown in Figure B.l
Port
Connector
:::0;^>;i
1 2
3 4 5 6
7
3
t®'
r
Figure B. I RJ-45 Connector and Cable Pins
RJ-45 station ports can be attached to any devices, which use a standard network
interface (e.g., a workstation, server, bridge or router). Use unshielded twisted-pair
(UTP) or shielded twisted-pair (STP) cables for RJ-45 connections: lOOQ
Category 3,4 or 5 cable for lOMbps connections or lOOn Category 5 cable for
lOOMbps connection. Also be sure that the length of any twisted-pair connection
does not exceed 100 meters (328 feet).
Appendix B
B-2
Pin
Regular Ports
MDI-II Port (Uplink)
1
Input Receive Data +
Output Transmit Data +
2
Input Receive Data -
Output Transmit Data -
3
Output Transmit Data +
Input Receive Data +
4
Not Used
Not Used
5
Not Used
Not Used
6
Output Transmit Data -
Input Receive Data +
7
Not Used
Not Used
8
Not Used
Not Used
Table B. 1 RJ-45 Connector Pin Assignment
Schematics for both straight-through and cross-over twisted-pair cable are shown
below.
Straight-Through
(Hub)
Gross-over
(PC)
1 1RD+ •
1 OTD-h
2 IRD- •
2 OTD-
3 OTD+-
3 IRD^
6 OTD- •
6 IRD-
Table B.2 Straight-through cable and cross-over cable to hub or
other devices connection