Tap-305: Clear 'Oms Los: 150Ghz Offset At Om (50Ghz Offset) - Lucent Technologies LambdaXtreme Alarm Messages And Trouble Clearing Manual

TAPs for PortOM_OD Alarm Group
TAP-305: Clear 'OMS LOS: 150GHz offset at OM (50GHz
offset)'
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Overview
Procedure
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365-575-783R1.1
Issue 1, June 2002
Use this procedure to clear the
(50GHz offset)
There is an Optical Multiplex Section (OMS) loss of signal (LOS)
between the OM OUT_150G connector and IN_150G connector of the
OM(150GHz offset). This condition indicates that the OM(50GHz
offset) has detected a total loss of signal for all 150GHz offset
channels.
Important! A minimum of one channel must be present on the
OM(150 GHz offset) circuit pack to prevent this alarm.
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Examine the
1 NE Alarm List
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Remove the appropriate shelf cover. All connections can be accessed
2
from the front. For details, go to
Cover" (7-17).
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CAUTION
SERVICE AFFECTING – this step could result in service
interruption.
Visually inspect the incoming signal fiber between the following
3
circuit pack connections and correct any problems found. For details,
go to "DLP-609: Inspect Optical Fiber(s)"
•
OUT_150G port of the OM(150GHz offset) and the IN_150G
port of the OM(50G offset)
•
OM(150GHz offset) and associated 150GHz OT circuit packs.
Lucent Technologies - Proprietary
See notice on first page
OMS LOS: 150GHz offset at OM
alarm condition.
.
"DLP-607: Remove/Install Front
Trouble Clearing Tasks
(7-31).
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