Ais - Otu; Allchanmiss - Alcatel-Lucent 1830 PSS-16 Maintenance And Trouble-Clearing User Manual

Trouble-clearing procedures
AISL
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AIS - OTU

The AIS – OTU condition indicates that the OT port has detected an OTU-AIS at the
ODU
k
This condition may be caused by the following reasons:
• The input signal has OTU-AIS pattern
• The input signal is severely degraded
• The local OT port receives a signal with ODU-AIS pattern
Severity
Service affecting?
Applicability
Corrective Action
At the end of each step wait to see if the fault clears. If it does not, go to the next step.
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Check if the connected equipment is provisioned to send OTU-AIS pattern. Provision the
1
connected equipment to send a normal OTU signal.
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2 If the client equipment does not send OTU-AIS, perform the corrective actions in the
procedure
E
N D O F
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ALLCHANMISS

ALLCHANMISS (C-Band Loss of signal); ALLCHANMISS-OUT
The All channels missing defect (ALLCHANMISS and ALLCHANMISS-OUT) is
monitored at the OTS layer. ALLCHANMISS is raised when all cross connected optical
channels are reported missing by WaveTracker. This defect applies to all line driver (LD)
packs. It also applies to both ingress and egress amps.
At the ingress amp it is at {LD}-<shelf>-<slot>-LineIn. At the egress amp it is at
{LD}-<shelf>-<slot>-SigIn.
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2-24
level.
Critical
Yes
11QPA4, 43STX4P
"LOF (Loss Of Frame)" (p.
S T E P S
2-135).
AIS - OTU
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011