Carrier Access Broadmore 1750 - Manual (Page 214)

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 following 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/LOP/LOCD check Sync
No