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%SONET-4-ALARM:

Hello All,

We have started getting the below error after a network hit.

Below logs are observed in the device:

*Jul 6 00:45:32: %SONET-4-ALARM: POS1/0: B3 BER below threshold, TC alarm cleared

*Jul 6 00:45:34: %SONET-4-ALARM: POS1/0: B3 BER exceeds threshold, TC alarm declared

*Jul 6 01:11:27: %SONET-4-ALARM: POS1/0: B3 BER below threshold, TC alarm cleared

*Jul 6 01:19:46: %SONET-4-ALARM: POS1/0: B3 BER exceeds threshold, TC alarm declared

*Jul 6 01:26:53: %SONET-4-ALARM: POS1/0: B3 BER below threshold, TC alarm cleared

*Jul 6 02:10:22: %SONET-4-ALARM: POS1/0: B3 BER exceeds threshold, TC alarm declared

*Jul 6 03:13:52: %SONET-4-ALARM: POS1/0: B3 BER below threshold, TC alarm cleared

*Jul 6 03:23:47: %SONET-4-ALARM: POS1/0: B3 BER exceeds threshold, TC alarm declared

*Jul 6 03:25:14: %SONET-4-ALARM: POS1/0: B3 BER below threshold, TC alarm cleared

*Jul 6 03:39:29: %SONET-4-ALARM: POS1/0: B3 BER exceeds threshold, TC alarm declared

*Jul 6 03:40:20: %SONET-4-ALARM: POS1/0: B3 BER below threshold, TC alarm cleared

*Jul 6 03:43:05: %SONET-4-ALARM: POS1/0: B3 BER exceeds threshold, TC alarm declared

*Jul 6 03:44:00: %SONET-4-ALARM: POS1/0: B3 BER below threshold, TC alarm cleared

*Jul 6 04:32:00: %SONET-4-ALARM: POS1/0: B3 BER exceeds threshold, TC alarm declared

*Jul 6 04:40:03: %SONET-4-ALARM: POS1/0: B3 BER below threshold, TC alarm cleared

*Jul 6 04:51:43: %SONET-4-ALARM: POS1/0: B3 BER exceeds threshold, TC alarm declared

I have checked the controller Pos and can see error.

sh controllers POS1/0 pm

POS1/0

Medium is SDH

Line coding is RZ, Line type is LONG SM

Data in current interval (263 seconds elapsed)

SECTION ( NO DEFECT )

262 Errored Secs, 262 Severely Err Secs

0 Coding Violations, 262 Sev Err Framing Secs

LINE ( NO DEFECT )

0 Errored Secs, 0 Severely Err Secs

0 Coding Violations, 0 Unavailabe Secs

FAR END LINE

0 Errored Secs, 0 Severely Err Secs

0 Coding Violations, 0 Unavailabe Secs

PATH ( NO DEFECT )

0 Errored Secs, 0 Severely Err Secs

0 Coding Violations, 262 Unavailabe Secs

FAR END PATH

11 Errored Secs, 1 Severely Err Secs

91 Coding Violations, 0 Unavailabe Secs

Im not able to get any specific documen t or error report in Cisco. Can anyone please help me in fixing this issue.

Thanks

1 REPLY
Hall of Fame Super Gold

Re: %SONET-4-ALARM:

Check fiber patch, can be transceiver or physical media issue.

2003
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