Karne we have seen this also, using the new commands in S11 (I think)
It is likely that you have depending on your config, and the way the transmission is mapped
1) either a single TRX with issue
2) You use Aggregate bearers and this is an indication of far end link.
3) The errors are low enough not to cause a problem at “Mb but are likely to be causing service degradation. Also look for “unsolicited datalink re-establishment alarms” at the BSC
NOINSGN incoming signal missing
AIS AIS state has been detected in the incoming line signal (continuous “1-state”)
FALOST frame alignment has been lost
REMOTE alarms from remote end
TOTAL TIME measured total time
AVAIL TIME time of availability
UNVAIL TIME time of unavailability
EFS seconds without errors
ES seconds with errors
SES seconds with a great number of errors
DM deteriorated minutes