User's Manual

SCCP Backplane Troubleshooting – continued
08/01/2001
6-25
1X SCt4812ET Lite BTS Optimization/ATP
PRELIMINARY
No DC Voltage (+5, +6.5, or +15 Volts) to a Specific GLI2,
BBX2, or Switchmodule
Table 6-25: No DC Input Voltage to any SCCP Shelf Module
Step Action
1 Verify steps outlined in Table 6-24 have been performed.
2 Inspect the defective module connectors (both module and
backplane) for damage.
3 Replace suspect module with known good module.
TX and RX Signal Routing
Problems
Table 6-26: TX and RX Signal Routing Problems
Step Action
1 Inspect all Harting Cable connectors and backplane
connectors for damage in all the affected board slots.
2 Perform steps outlined in the RF path troubleshooting
flowchart in Figure 6-1.
6