...................................................................................................................................................................................................
3
Check whether uncorrectable FEC bit errors are reported. If so, perform the action for
clearing the signal degraded alarms.
...................................................................................................................................................................................................
4
After all signal degraded alarms are cleared and no uncorrectable bit errors are reported,
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.)
MTCESURV
MTCESURV (Add power control failure)
A card has detected a power control-related equipment failure.
Severity Major
Service affecting? No
Applicability 112SCA1, 112SCX10, 11STAR1, 11STMM10, 11STGE12,
43SCX4, 43STX4, 4DPA4, MVAC, SVAC
Corrective Action
...................................................................................................................................................................................................
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.
Trouble-clearing procedures
MSIM
MSIM (Multiplex Structure Indication 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
2-199
E ND OF STEPS
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