Checking The Transmission And Networking - Huawei BTS3900 GSM Commissioning Manual

BTS3900 GSM
Commissioning Guide
6

Checking the Transmission and Networking

About This Chapter
The purpose of checking the transmission and networking is to ensure that the BTS3900
transmission cables and hardware are correctly installed. The items to be checked consist of the
transmission between the BBU and the DRFU, the transmission between the BBU and the BSC,
and the consistency between the actual networking and the data configuration.
6.1 Checking the Transmission Between the BBU and the DRFU
By checking the link status, you can rectify the fault caused by abnormal connection, thus
ensuring normal communication between the BBU and the DRFU.
6.2 Checking the Transmission Between the BBU and the BSC
This describes how to check the status of the LEDs on the GTMU panel, how to check the
connection of the E1 cable and E1 surge protection transfer cable, and how to rectify the fault
caused by improper connections.
6.3 Checking the Consistency Between Actual Networking and Data Configuration
The items to be checked consist of the BTS3900 network topologies, the configurations of the
boards and modules, RF cable connections of the DRFUs, and the data configuration of the RF
signal RX/TX mode.
Issue 03 (2008-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
6 Checking the Transmission and Networking
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