Huawei BTS3900 GSM Commissioning Manual page 4

Contents
5.2.2 Configuring the Boards of the BTS on the SMT...................................................................................5-7
5.2.3 Configuring Logical Objects of the BTS on the SMT.........................................................................5-11
5.3 Checking the Active Software Version on the SMT.....................................................................................5-23
5.4 Checking the Transmission Between the BBU and RFU on the BTS Side..................................................5-25
5.5 Checking the Running Status of the BTS......................................................................................................5-26
5.5.1 Checking the State of the BTS LEDs...................................................................................................5-26
5.5.2 Checking the Alarm Information of the BTS on the SMT...................................................................5-29
5.6 Checking the Hardware Connection of the BTS...........................................................................................5-32
6 Optional Commissioning Tasks..............................................................................................6-1
6.1 Commissioning the Antenna System..............................................................................................................6-2
6.1.1 Measuring the VSWR............................................................................................................................6-2
6.1.2 Monitoring the Output Power of TRXs..................................................................................................6-3
6.1.3 Checking the Antenna Connection.........................................................................................................6-5
6.2 Performing the Loopback Test........................................................................................................................6-6
6.2.1 Performing the Carrier Loopback Test...................................................................................................6-6
6.2.2 Performing Channel Loopback Tests.....................................................................................................6-8
6.3 Checking the DIP Switch Settings of the Boards............................................................................................6-9
6.4 Locally Checking the Transmission Between the BBU and the BSC...........................................................6-10
6.5 Checking the Transmission Between Cascaded TRXs.................................................................................6-12
6.6 Checking TRXs in Ring Topology................................................................................................................6-14
7 FAQs for BTS Commissioning................................................................................................7-1
7.1 Failed Communication Between the SMT and the BTS.................................................................................7-2
7.2 Faulty E1 Link.................................................................................................................................................7-2
7.3 Failure of an MS to Search the Network.........................................................................................................7-6
7.4 Service Dialing Failure....................................................................................................................................7-7
7.5 Low GPRS Data Transmission Rate...............................................................................................................7-7
8 Commissioning Record Data Sheet........................................................................................8-1
9 Communication Ports Used by the GBTS.............................................................................9-1
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Copyright © Huawei Technologies Co., Ltd.
BTS3900(A) GSM
Commissioning Guide
Issue 02 (2009-04-20)