8-26 Broadmore 1750 - Release 4.6

Maintenance and Troubleshooting
Flowchart

Figure 8-5: NIM Major Alarm Troubleshooting Flowchart

From
3
Alarm Internal?
No
Yes
3A
Return to
3
3B
Use loopbacks to isolate
alarm condition
Check follow ing most likely
causes/correct as necessary:
-equipment cable connectors
-NIM configuration
-reseat NIM module
-replace NIM module
Alarm Clears?
Yes
No
Alarm Clears ?
3A
Yes
Contact distant end -
have them start
troubleshooting
Alarm Clears?
No
Yes 3B
Review Alarm Summary and
System log- call Customer
Service with pertinent information
LOS-check Fiber
LOF/ LO P/ LO CD check Sync
No