Procedure 5-16: Clear
″
excessive holdover
″
alarm
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Overview
This procedure is used to clear an
excessive holdover
alarm
indicated by a lighted Minor (
MN/ABN
) LED on the SYSCTL
faceplate, and reported as Major in the WaveStar
®
CIT Alarm List.
Before you begin
Prior to performing this procedure:
1.
Refer to
and
in this chapter.
2.
Refer to
“Electrostatic discharge” (1-13)
in
Procedure
Complete the following steps to clear an
excessive holdover
alarm.
............................................................................................................................................................
1
From the WaveStar
®
CIT System View, click the
Alarm List
button.
............................................................................................................................................................
2
Is there a
manual sync. mode switch
standing condition also
present (in addition to
excessive holdover mode active
)?
If...
Then...
Yes
Continue with
No
Proceed to
............................................................................................................................................................
3
The system was forced to Holdover. From the System View menu,
select
Fault
→
Timing/Sync Protection Switch
→
Clock Mode
Switch
, select
Normal
, and click
OK
.
............................................................................................................................................................
4
From the System View, click the
Alarm List
button and click
Refresh
.
Trouble clearing procedures
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365-372-333 R2.1
Issue 4, June 2005
Lucent Technologies
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