4-2 • Troubleshooting 8018653 1.1
MALFUNCTION DATA S HEET
RMA # Part
Number
Serial Number
Date Technician
1. Did module fail out of box? Yes No
2. Did module pass SUDs? Yes No Status LED error code
3. What version of firmware did the module fail with?
4. If the failed module was a CPM, indicate the processor type CAP GRP CCP
5. Indicate slot number of failed CPM or STM (slot number is printed on front of chassis)
6. What was the front panel DIP switch setting? 1____ 2____ 3____ 4____ (Open/Closed)
7. What was the BSC chassis ID switch setting? __________(HEX)
8. Failure symptoms
Figure 4-1. Typical malfunction data sheet
4.2
Troubleshooting
flowcharts
Review the following symptoms to determine which one most closely
resembles the current BSC rack failure. Then refer to the flowchart listed
to troubleshoot the problem.
Symptom Refer to flowchart…
No power to BSC rack 4-1
No power to a single BSC chassis 4-2
E1 or T1 module failed SUDs 4-3
CPM or STM failed SUDs 4-4
You are unable to download the online software 4-5
You are unable to bring the CCP online 4-6
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