Maintenance and troubleshooting, Flowchart – Carrier Access Broadmore 1750 User Manual
Page 213

Broadmore 1750 - Release 4.6
8-25
Maintenance and Troubleshooting
Flowchart
Figure 8-4: APM Minor Alarm Troubleshooting Flowchart
From 2
NIM Minor Alarm?
SAM Major Alarm?
Review Alarm Summary and
System log- gather all pertinent info
and call Customer Service
No
No
Yes
2A
Return to
2
2B
Use loopbacks to isolate problem
Check following most likely causes/correct as necessary:
-equipment cable connectors
-connected equipment operating normal
-reseat NIM and NIM I/O
-coordinate with distant end for AIS or loss of active
service access channel as problem may be external
Alarm Clears?
Yes
No
2A
Yes
-Use loopbacks to isolate circuit
-Check equipment cables
-Check configuration
-Reseat module
-Replace module
Alarm Clears ?
Yes
No