Huawei Airbridge cBTS3612 Maintenance Manual page 61

On-site Maintenance Manual
Airbridge cBTS3612 CDMA Base Station
The fault elimination process should be carried out step by step,
go directly to next step if the problem can not be solved:
Check if the antenna and feeder are in good condition;
1)
Check if the CDU (or DFU, DDU) is working properly;
2)
3) Check if the cable connecting the CDU (or DFU, DDU) and
the RLDU is in good condition;
4) Check if the power indicator on the panel of the RLDU is
working properly;
Replace the RLDU.
5)
RLDU failure
II.
When there is an alarm generated on RLDU failure, replace the
faulty RLDU.
Chapter 3 Component Failure
3-24
Handling