Version Information
Version
Date
V1.0
2010-9-5
V 1.1
Changes
Author
V1.0 Issues
Ge Ping
2011-01-10
V1.1 Installation and detail process
Jesus Gomez
V 1.2
2011-01-10
V 1.2 Wireless Team FeedBack
Jesus Gomez
V 1.3
2011-01-20
V 1.3 Partners Feed Back
Jesus Gomez
Security Level:
Orange Spain Project Solution
– RET Installation
www.huawei.com
HUAWEI TECHNOLOGIES CO., LTD.
Huawei Confidential
RCU
RET- Remote Electric Tilt
RET: mandatory for new antennas and all bands in case of dual band
antennas. In case of antennas 900 with GSM 900 configuration,
RET activation should be quoted to Phase 1. Antennas 900
configured just for UMTS 900, RET activation should be quoted in
Phase 3. One step quotation does not distinguish between phases,
so RET is quoted in the year that the antenna is installed. For new
antennas RET must also be activated in the network. Introduction
and activation of RET in reused antennas should be preciated as
an optional issue, to be quoted in an alternative TCO.
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RCU
RCU-Remote Control Unit
Product
Reference
Brand
Type
Description
860 10147
Kathrein
Remote Control Unit
(RCU)
AISG 1.1, 178 x 60 x 50 mm, 525 g
860 10148
Kathrein
Remote Control Unit
(RCU)
3GPP/AISG 2.0, 178 x 60 x 50 mm, 525 g
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RCU
RCU-Remote Control Unit
Remote Control Units (RCU) allow operators to control the electrical tilt of
compatible antennas without direct access to the antenna.
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RCU
RCU-Remote Control Unit
2100M RCU
1800M RCU
900M RCU
2100M
TX/RXA
2100M
TX/RXB
900M
TX/RXA
1800M
TX/RX
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900M
TX/RXB
1800M
RXD
Page 6
RCU
Is necesary to record the serial of the RCU and send it with the sector and technology
specification to operation team to configure the equipment in the tool.
Site ID:________________________________________________
ESN for 1st RCU (Master):_________________________________
ESN for 2nd RCU (Slave):__________________________________
ESN for 3rd RCU (Slave):__________________________________
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RCU
AISG* cable
5m AISG cable from RRU to RCU, Huawei Item Code: 04070097
From RRU
To RCU input port
15m AISG cable for extension, Huawei Item Code: 04045922
To RCU input port
From RRU 5m AISG cable
*AISG: Antenna Interface Standard Group
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RCU
AISG* cable
2m AISG cable from DTMA to RCU, Huawei Item Code: 04045921
To RCU input port
From DTMA
0.5m AISG cable from SBT* to RCU or for RCU chain connection,
Huawei Item Code: 04045920
From RCU output port
To RCU input port
From SBT output port
*AISG: Antenna Interface Standard Group, SBT*: Smart BiasTee
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SBT
SBT-Smart BiasTee
The Smart Bias Tee combines the performance of a standard Bias Tee with the
function of an additional modem (AISG standard) in order to provide DC voltage
as well as remote control signals via an RF feeder cable to a TMA or RCU.
3.Antena Port
1. Feeder Port
2. ASIG Cable
Port
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Scenarios
2100M+900M+1800M
Distance between RRU and RCU<5m
Tri-band Antenna
Feeder (7/8” or 5/4”)
RCU
RCU
RCU
1/2” jumper or feeder
5m AISG cable from RRU to RCU
DB9
connector
2100M
RRU
Female
connector
900M
RRU
3rd RCU
1st RCU
0.5m AISG cable for RCU chain connection
1800M
BTS3900
2nd RCU
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Male
connector
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Female
connector
Page 11
Scenarios
2100M+900M+1800M
5m < Distance between RRU and RCU<20m
Tri-band Antenna
Feeder (7/8” or 5/4”)
RCU
RCU
RCU
1/2” jumper or feeder
5m AISG cable from RRU to RCU
DB9
connector
Female
connector
15m Extension AISG cable
Male
connector
Female
connector
0.5m AISG cable for RCU chain connection
2100M
RRU
1800M
BTS3900
900M
RRU
1st RCU
2nd RCU
3rd RCU
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Male
connector
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Female
connector
Page 12
Scenarios
2100M+900M+1800M
Distance between RRU and RCU>20m
Tri-band Antenna
Feeder (7/8” or 5/4”)
RCU
RCU
RCU
SBT
1/2” jumper or feeder
SBT*:
Smart BiasTee
0.5m AISG cable from SBT to RCU
0.5m AISG cable for RCU chain connection
TX/RX A
2100M
RRU
1800M
BTS3900
900M
RRU
1st RCU
2nd RCU
3rd RCU
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Male
connector
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Female
connector
Page 13
Scenarios
1800M only
Antenna
Feeder (7/8” or 5/4”)
RCU
SBT
1/2” jumper or feeder
SBT*:
Smart BiasTee
TX/RX A
0.5m AISG cable from SBT to RCU
0.5m AISG cable for RCU chain connection
TX/RX B
1800M
BTS3900
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Male
connector
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Female
connector
Page 14
Types of Configurations
2100M+900M+1800M
2100M connect to 1st RCU (Master RCU);
1800M connect to 2nd RCU;
900M connect to 3rd RCU;
2100M/900M +1800M
2100M/900M connect to 1st RCU (Master RCU);
1800M connect to 2nd RCU;
1800M only
1800M connect to RCU with SBT;
Only RRU can connect to RCU directly with AISG cable (within 20m);
Macro BTS can not connect to RCU directly, SBT is needed for macro BTS;
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Scenarios
RCU with DTMA (for master RCU)
Antenna
Feeder (7/8” or 5/4”)
RCU
1/2” jumper or feeder
2m AISG cable from DTMA to RCU
DTMA
Male
connector
TX/RX A
Female
connector
TX/RX B
BTS3900
or RRU
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Scenarios
RCU with Combiner (for master RCU)
Broad Band
Antenna
Broad Band
Antenna
Distance between
RRU and RCU<20m
Distance between
RRU and RCU>20m
Combiner
3G
TX/RX A
RRU
RCU
RCU
RCU
RCU
SBT
2G
Combiner
3G
Combiner
2G
3G
TX/RX B
BTS3900
or RRU
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2G
TX/RX A
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Combiner
3G
2G
TX/RX B
BTS3900
or RRU
RRU
Page 17
Scenarios
RCU with DTMA and Combiner (for master RCU)
Broad Band
Antenna
RCU
RCU
Feeder (7/8” or 5/4”)
1/2” jumper or feeder
DTMA
2m AISG cable from DTMA to RCU
Male
connector
Combiner
3G
TX/RX A
RRU
2G
Female
connector
Combiner
3G
2G
TX/RX B
BTS3900
or RRU
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RCU Installation
Step 1: Send to OM the Serial Number of the RCU with
the Sector and Technology
Step 2: Record the current tilt of the Antenna
Step 3: Change the tilt of the Antenna to minimun value
0º or 2º depending of the antenna frecuency.
Step 4: Connect the RCU
Step 5: Connect the AISG cable to the next RCU if the
configuration is in chain or connect the AISG cable to
RRU controller.
Step 6: Tell OM the tilt recorded and check if the
installation is OK.
Step 7: Rollback if there is some problem of
configuration.
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SBT Installation
Step 1: Install the RCU to be controlled
Step 2: Block the sector
Step 3: Disconnect the feeder and connect the SBT.
Step 4: Connect the feeder.
Step 5: Unblock the sector
Step 6: Test and check remotely the VSWR
Step 7: Connect the AISG cable to the RCU.
Step 8: Check with OM if the installation is OK.
Step 9: Rollback if there is some problem of
configuration.
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RCU Installation
RCU in chain:
Step 1: Install the RCU to be controlled
Step 2: Block the sector
Step 3: Disconnect the feeder and connect the SBT.
Step 4: Connect the feeder.
Step 5: Unblock the sector
Step 6: Test and check remotely the VSWR
Step 7: Connect the AISG cable to the RCU.
Step 8: Check with OM if the installation is OK.
Step 9: Rollback if there is some problem of configuration.
RRU
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Strategy of Work
Step 1: Arrive to Site
Step 2: Call Operation Team for Access
Step 3: Operation Team will contact GNOC to validate the OT
Step 4: Confirm the scenario with the information provided.
Step 5: Install the RET following the installation guide.
Step 6: Check with OM if the installation is OK.
Step 7: Rollback if there is some problem of configuration.
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Page 22
Examples
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Thank you !
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