Lucent Technologies LambdaXtreme Alarm Messages And Trouble Clearing Manual page 182

TAPs for the SLOT, SHELF, and FAN
Alarm Groups
TAP-116: Clear 'Circuit Breaker/Power
Failure "A or B" or "A and B"'
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6 - 4 2
One Power Feeder Cable is NOT Supplying Voltage to a Bay
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At the CIT, look at the
1
reporting the alarm.
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CAUTION
Step 2 through
at the power filter jacks of the appropriate power feeder.
2 Remove the appropriate shelf cover(s) to access the power line filter.
For details, see"DLP-607: Remove/Install Front Cover"
Voltage input measuring jacks (white and red) are on the front of each
filter. Each shelf has two power line filters. The 48V power line filter
associated with the A feeder is located on the left and the B feeder
power line filter is on the right.
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Measure the input voltage at the measuring jacks of the appropriate
3
power line filter.
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4 Does the input voltage measure between -42.75 and -60 volts?
IF...
YES
NO
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CAUTION
Consult the Technical Support personnel if you have any
questions when checking the power cables.
Check at the Battery Distribution Fuse Board (BDFB) or equivalent,
5
visually check within the bay for loose connections, power cable
problems between the BDFB and the shelf with the failure and correct
the voltage supply problem.
Lucent Technologies - Proprietary
See notice on first page
to determine which slot is
Condition List
Step 4 requires an input voltage measurement
THEN...
Go to Step 7.
Continue with
Trouble Clearing Tasks
(7-17).
Step 5.
365-575-783R1.1
Issue 1, June 2002