Huawei BTS3900 GSM Commissioning Manual page 12

About This Document
4 Commissioning the BTS (Transmission Available)
This describes how to commission the BTS when the transmission cable between the BSC and
the BTS is properly connected.
5 Commissioning the BTS (Transmission Unavailable)
This describes how to commission the BTS in the transmission unavailable scenario. The
commissioning of the BTS consists of two phases. In the initial phase of the commissioning, the
transmission cable between the BSC and the BTS is not properly connected. Commission the
BTS at the local end. In the later phase of the commissioning, the transmission cable between
the BSC and the BTS is properly connected. Commission the BTS on the BSC side.
6 Optional Commissioning Tasks
The optional commissioning tasks are the VSWR check, output power of the TRX check,
loopback test check, settings of the DIP switches on the board check, transmission between the
BBU and the BSC on the BTS side check, transmission between cascaded TRXs check, and
TRX ring topology check.
7 FAQs for BTS Commissioning
This describes the fault symptoms and cause analysis in the BTS commissioning.
8 Commissioning Record Data Sheet
This describes the data sheet that is used to record the process and result of the BTS
commissioning.
9 Communication Ports Used by the GBTS
Conventions
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol
General Conventions
2
Description
Indicates a hazard with a high level of risk, which if not
avoided,will result in death or serious injury.
Indicates a hazard with a medium or low level of risk, which
if not avoided, could result in minor or moderate injury.
Indicates a potentially hazardous situation, which if not
avoided,could result in equipment damage, data loss,
performance degradation, or unexpected results.
Indicates a tip that may help you solve a problem or save
time.
Provides additional information to emphasize or supplement
important points of the main text.
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Copyright © Huawei Technologies Co., Ltd.
BTS3900(A) GSM
Commissioning Guide
Issue 02 (2009-04-20)