Huawei Airbridge cBTS3612 Maintenance Manual page 46

On-site Maintenance Manual
Airbridge cBTS3612 CDMA Base Station
order between the BTS and BSC should be the same), only so can
the BTS intercept the IMA/UNI configuration in the BSC.
The E1 trunk calbe problem or the connecting order mistakes
can be located by the E1 loopback test.
The IMA/UNI configuration can be obtained by querying the
dedicated status of the BTS boards.
II.
BSC interface board (XIE) failure
If E1 trunk cable is found in good connection and the connecting
order is correct after the E1 loopback test, there must be something
wrong with the BSC interface board (XIE). Rest or replace the XIE.
III.
BSC and OMC failure or incorrect configuration
If we find out the status of the link and the IMA link set of the
BCIM are normal by querying the dedicated status of the BTS board
while the problem still sustains, it could be the BSC or OMC failure or
data configuration errors. Refer to "2.4
Abis Signaling Link Failure" for details.
Chapter 3 Component Failure
OML Failure" and "2.5
3-9
Handling