The NEs must be provisioned to be either both uni-directional switching or both
bi-directional switching in order to remove the alarm.
Severity Not alarmed
Service affecting? No
Applicability 11STAR1, 11STMM10, 11STGE12.
Corrective Action
At the end of each step wait to see if the fault clears. If not, continue with the next step.
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1
Determine the port that is reporting the APSMM alarm. This is the port at the end of the
protection group currently configured for bidirectional switching.
CLI alm
...................................................................................................................................................................................................
2
Display the protection group for the associated shelf/slot/port that is raising the Mode
Mismatch alarm:
CLI config aps group [x] detail
...................................................................................................................................................................................................
3
Check the network plan to determine the desired directionality for the protection group.
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4
If the desired directionality for the protection group is unidirectional, change the
protection mode at the near end to uni-directional:
CLI config aps group [x] direction uni
...................................................................................................................................................................................................
5
If the desired directionality for the protection group is bi-directional, change the
protection mode at the far end to bi-directional:
1. Determine the NE and card that link directly to the (near-end) card reporting the
APSMM alarm. Perform the procedure “Determining the Far End of a Service”
(p.
3-10).
2.
Login to the far-end NE.
Trouble-clearing procedures
APSMM
APSMM (APS Mode Mismatch)
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2-42
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011
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