Avaya S8700 Maintenance Manual page 2112

Maintenance-Object Repair Procedures
3. Enter display errors and if any SNI-BD 1025 errors exist in the
d. This error occurs whenever the active SNC determines that there is a
problem communicating with the standby SNC via the connecting serial
channel.
If the switch node carrier is administered with duplicate SNCs:
1. If the standby SNC (the one with its yellow LED off) has this error,
2. If the system originally had duplicate SNCs and the standby SNC
3. Check the error log via display errors. If SNIs in the switch node
4. Replace the standby SNC circuit pack.
5. Retry the test board command. Check the error log via display
If the switch node carrier is administered with only one SNC:
1. If step 2 above does not apply, replace the SNC.
e. This error occurs whenever the standby SNC determines that there is a
problem communicating with the active SNC via the connecting serial
channel.
1. If the active SNC (the one with its yellow LED on) has this error,
2. Check the error log via display errors. If more than one SNI in the
3. If a single SNI has SNI-BD error 257, replace the SNI circuit pack.
8-1390 Issue 1 May 2002
error log, follow the associated repair procedure in the SNI-BD
section for these errors.
escalate the problem. (Status switch-node will also display the
active and standby SNCs.)
was removed and never replaced and the active SNC has not been
reset after the standby SNC was removed, this error will occur.
If you do not intend to replace the SNC:
a. Remove the standby SNC from circuit pack administration via
change circuit-pack.
b. If the problem persists, replace the active SNC circuit pack.
Otherwise:
a. Insert an SNC circuit pack.
carrier also have problems communicating with the active SNC (i.e.,
error code 257 is logged against SNI-BD), then replace the active
SNC.
errors. If this error is still in the error log, replace the active SNC.
escalate the problem. (Status switch-node will also display the
active and standby SNCs.)
switch node carrier has problems communicating with the active
SNC (i.e., error code 257 is logged against SNI-BD), then replace
the active SNC.
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