Avaya MCC1 Maintenance Procedures page 168

Troubleshooting
Fiber link fault isolation
Complete the following steps:
1 Enter display alarms with category pnc.
Are there any on-board alarms? If so, replace the circuit pack(s).
2 Enter display errors for category pnc.
Check for any of the following errors:
MO
FIBER-LK
SNI-BD
EXP-INTF
If one or more of the previous errors are present, proceed with
If not, look for SNI-PEER errors.
• If there is one SNI circuit pack with many different SNI-PEER error types, replace the
indicated SNI circuit pack.
• If there are many SNI-PEER errors with the same error type, replace the indicted SNI
circuit pack using the following table.
168
Error
Type
Any
513
257–769
770,
1281,
1537,
3073,
3074,
3075,
3076,
3585,
3841,
3842
Error Type SNI's Slot
1 2
257 3
513 4
769 5
1025 6
1281 7
1537 8
1793 9
2049 13
2305 14
(1 of 2)
Step 3.
Maintenance Procedures
December 2003