Alcatel-Lucent 1830 PSS-16 - Page 382

LOAM
LOAM (Loss of Alignment Marker Lock)
The LOAM condition is raised when the system cannot detect the PCS lane marker, or the
marker has been displaced.
Severity Critical
Service affecting? Yes
Applicability 112SA1L, 112SCA1
Corrective Action
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1
Replace the CFP.
LOC
LOC (Loss of Continuity)
The OT port has detected a loss of continuity at the MEP layer. A MEP detects LOC with
a peer MEP when it stops receiving CCM frames from that peer ME. Such a defect
condition can be caused by hard failures such as a link failure/device failure, or soft
failures such as memory corruption, or misconfigurations.
Severity Major
Service affecting? No
Applicability 11DPE12E
This alarm is raised when an MEP receives CCM frames with an incorrect MEG ID. The
alarm is cleared when the MEP does not receive CCM frames with the correct MEG ID.
Trouble-clearing procedures
LOAM
LOAM (Loss of Alignment Marker Lock)
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2-132
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011
E ND OF STEPS
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