Lucent Technologies LambdaXtreme Alarm Messages And Trouble Clearing Manual page 189

TAPs for PortOA_RP and LINE Alarm
Groups
TAP-202: Clear 'DCM LOS'
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365-575-783R1.1
Issue 1, June 2002
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Examine the NE Alarm List
4
IF...
YES
NO
............................................................................................................................................................
CAUTION
Failure to do this step will result in connector damage.
Unseat the identified OA circuit pack.
5
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6 In the case of
DCM LOS: OA
the fibers from the IN_DCM port and OUT_DCM port of the OA
circuit pack.
In the case of
DCM LOS: RP to OA
IN_DCM port of the OA circuit pack, and the the OUT_SIG port of
the RP circuit pack.
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Measure the loss across the DCM and it's two connecting fiber
7
jumpers.
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Is the measured loss within the expected range?
8
IF...
YES
NO
............................................................................................................................................................
Using a videoscope, inspect the IN_DCM and OUT_DCM ports of
9
the OA for dirt and/or damage to the connectors. Clean the connectors
if necessary. For details, see
Fiber Connectors"
Lucent Technologies - Proprietary
See notice on first page
. Is the alarm condition still listed?
THEN...
Continue with
Go to Step
or
DCM LOS: OA (preamp)
, disconnect the fibers from the
THEN...
Continue with
Go to Step
"DLP-606: Inspect and Clean Optical
(7-11).
Trouble Clearing Tasks
Step 5.
22.
, disconnect
Step 9.
17.
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