Avaya S8700 Maintenance Manual page 95

Fault Isolation for Fiber Links
3. Enter list fiber-link to get the physical location of the fiber link's endpoints.
If a DS1 CONV is administered to the fiber link (DS1 CONV is "y"), use the
display fiber-link command to get the physical location of the DS1 CONV
circuit packs on the fiber link.
4. Execute busyout fiber-link FP, followed by test fiber-link FP long.
If any tests in the sequence fail, proceed with
If every test passes, clear alarms by executing test board UUCSS long
clear for every alarmed EXP-INTF circuit pack. Wait 5 minutes for any
SNI-BD, SNI-PEER, FIBER-LK, or DS1C-BD alarms to clear. You can
speed this process with clear firmware counters [a-pnc | b-pnc] for the
PNC that was repaired. You are finished with this procedure.
5. For each of the fiber link's endpoints, follow this flowchart:
555-233-143
If there are many SNI-PEER errors with the same error type, replace
the indicted SNI circuit pack using the following table.
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
2561 15
2817 16
3073 17
3329 18
3585 19
3841 20
After replacing an SNI circuit pack, clear alarms by executing test
board UUCSSlong clear for every alarmed EXP-INTF circuit pack.
Wait 5 minutes for any SNI-BD or SNI-PEER alarms to clear. To
speed this process use clear firmware counters [a-pnc | b-pnc]
for the PNC that was repaired.
Exit this procedure.
step 5.
Issue 1 May 2002 4-21