• there is a service mismatch.
• the far end is currently performing a software upgrade.
Severity Not alarmed
Service affecting? No
Applicability 11STAR1, 11STMM10, 11STGE12
Corrective Action
NOTICE
Service-disruption hazard
Replacing and reconnecting optical patch cords may be service affecting. It is
recommended to replace and reconnect optical patch cords during a maintenance
window.
At the end of each step wait to see if the fault clears. If not, continue with the next step.
...................................................................................................................................................................................................
1
Observe the protection information presented in the APSCM condition. Note the
protection group information and the cards involved.
...................................................................................................................................................................................................
2
Login to the near end NE and perform the procedure “Determining the Far End of a
Service” (p. 3-10) to determine the NE and card that link directly to the (near-end) card
reporting
the APSCM alarm.
...................................................................................................................................................................................................
3
Open a new window and log into the far-end NE identified in Step 2.
...................................................................................................................................................................................................
4
Enter the following commands on both the near-end and far-end NEs to confirm that the
protection group is configured as desired.
CLI config aps group <group_id> detail
1. Ensure that the near-end and far-end interfaces are in the same protection group.
2. Check the direction of the protection group.
3. Validate that the protection group has a valid working and protection path.
Trouble-clearing procedures
APSCM
APSCM (APS Channel Mismatch)
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1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011
2-39
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