Alcatel-Lucent 1830 PSS-16 Maintenance And Trouble-Clearing User Manual page 449

Trouble-clearing procedures
MSIM
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3
Check whether uncorrectable FEC bit errors are reported. If so, perform the action for
clearing the signal degraded alarms.
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After all signal degraded alarms are cleared and no uncorrectable bit errors are reported,
4
check whether the input OTU signal MSI byte is compliant with the received OT card
settings. (The source and destination OTU are generally of the same OTU type.)
E
N D O F
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MTCESURV
MTCESURV (Add power control failure)
A card has detected a power control-related equipment failure.
Severity
Service affecting?
Applicability
Corrective Action
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1 There are two possible causes of this condition:
• The alarmed card has detected an equipment problem and this means that the
Wavelength Tracker encode power control is compromised. If this occurs during
steady state operation, there is a high probability that the services carried by this card
are unaffected.
• There is a misfibering problem such that a light-emitting fiber has been plugged into
the Tx port of a Wavelength Tracker encoder-equipped transponder card.
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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
S T E P S
Major
No
112SCA1, 112SCX10, 11STAR1, 11STMM10, 11STGE12,
43SCX4, 43STX4, 4DPA4, MVAC, SVAC
MSIM (Multiplex Structure Indication Mismatch)
2-199