User's Manual

C–CCP Backplane Troubleshooting – continued
May 2000
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SC 4812T CDMA BTS Optimization/ATP
No (or Missing) MCC24 Channel Elements
Perform the procedure in Table 6-21 to troubleshoot a channel elements
failure.
Table 6-21: No MCC24 Channel Elements
Step Action
1 Verify CEs on a co–located MCC24 (MccType=2)
2 If the problem seems to be limited to 1 MCC24, replace the MCC24 with a known good MCC24.
– Check connectors (both board and backplane) for damage.
3 If no CEs on any MCC24:
– Verify clock reference to CIO.
4 Check CDF for MCCTYPE=2 (MCC 24) or MCCTYPE=0 (MCC 8).
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