Lrm Alarm Messages - Symmetricom SSU-2000 User Manual

Table A-4. LRM Alarm Messages
Alarm
Description
Side 1 Loss of
signal fault status
Side 1 Alarm
indication signal
fault status
Side 1 Loss of
frame signal fault
status
Side 1 Bipolar
violation signal fault
status
Side 1 Slip signal
fault status
Side 2 Loss of
signal fault status
Reference PLL
fault
CTA Fuse
CTA
12713020-002-2 Revision D – April 2004
Default
Alarm
Alarm
Number
Level
0 Minor
1 Report
2 Report
3 Report
4 Report
5 Report
10 Minor
11 Minor
12 Minor
Status
Range
Messages
Ok Minor
Fault
Ok Ignore
Report
Fault
Minor
Ok Ignore
Report
Fault
Minor
Ok Ignore
Report
Fault
Minor
Ok Ignore
Report
Fault
Minor
Ok Ignore
Report
Fault
Ok Minor
Fault
Ok Ignore
Report
Fault
Minor
OK Ignore
Report
Fault
Minor
Alarm Messages
Description/
Corrective
Action
Verify signal is
connected. Can be
cleared by disabling
port.
Verify input signal is
good. Port can be
disabled.
Change frame type:
D4
ESF
Verify port ZS is on.
Verify signal is good
Accumulated slip
value exceeded
threshold setting
Verify signal on side
2 is connected. Can
be cleared by
disabling port.
Verify clock reference
source is good.
Reference PLL is
unlocked
Verify CTA fuse is
good
CTA present/not
present
Mismatch Dual/Quad
SSU-2000 User's Guide 249