User's Manual Part 3

C–CCP Backplane Troubleshooting – continued
Mar 2001
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SCt4812T CDMA BTS Optimization/ATP
DRAFT
No DC Voltage (+5, +6.5, or +15 Volts) to a Specific GLI2,
BBX, or Switchboard
Perform the procedure in Table 6-23 to troubleshoot a DC input voltage
to GLI2, BBX, or Switchboard failure.
Table 6-23: No DC Input Voltage to any C–CCP Shelf Module
Step Action
1 Verify the steps in Table 6-22 have been performed.
2 Inspect the defective board/module (both board and backplane) connector for damage.
3 Replace suspect board/module with known good board/module.
TX and RX Signal Routing
Problems
Perform the procedure in Table 6-24 to troubleshoot TX and RX signal
routing problems.
Table 6-24: TX and RX Signal Routing Problems
Step Action
1 Inspect all Harting Cable connectors and back–plane connectors for damage in all the affected board
slots.
2 Perform steps in the RF path troubleshooting flowchart in this manual.
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