Huawei Airbridge cBTS3612 Maintenance Manual page 52

On-site Maintenance Manual
Airbridge cBTS3612 CDMA Base Station
Pull out and replug the optical fiber or replace the BTRM. If the fault
still remains, , reset or replace the BRDM.
III.
Abnormal clock signal
The clock signal needed by the BRDM for controlling the service
switching comes from the BCKM. If the problem sustains after the
BCKM faults are eliminated, try to load the FPGA logic configuration.
If that still does not work, the hardware must be faulty, replace that
faulty BRDM.
IV.
Hardware problems in the board
For hardware problems in the board, all we can do is to replace
that faulty board.
Chapter 3 Component Failure
3-15
Handling