............................................................................................................................................................
3
Were any problems found involving the power connections?
If...
Then...
Yes
Broken or shorted power line: repair
the short or break, as appropriate.
Loose power connection: re-seat and
secure the connector.
No
Continue with
............................................................................................................................................................
4
Monitor the DC power supplied to the shelf.
Important! A -48 VDC power alarm indicates the loss one of the
two redundant -48 VDC power feeds.
............................................................................................................................................................
5
Is the DC voltage normal (-48 VDC) at both connectors?
If...
Then...
Yes
Continue with
No
Check the DC power distribution lines
supplying power to the shelf and
repeat
............................................................................................................................................................
6
From the System View, click the
Alarm List
button and click
Refresh
.
Result:
The
-48V power/fuse failed
alarm is no longer
present.
............................................................................................................................................................
7
Are there any alarms listed?
If...
Then...
Yes
Proceed to the appropriate procedure
to clear the alarm.
Procedure 5-2: Clear
″
-48V power/fuse FA
or FB failed
″
alarm
Trouble clearing procedures
....................................................................................................................................................................................................................................
5 - 1 2
Lucent Technologies
365-372-333 R2.1
Issue 4, June 2005