User's Manual
Troubleshooting: SCCP Backplane68P09255A69-3
Aug 2002
1X SC4812ET Lite BTS Optimization/ATP Software Release 2.16.1.x
PRELIMINARY
6-25
No DC Voltage (+5, +6.5, or +15 Volts) to a Specific GLI,
BBX, or Switch Module
Table 6-27: No DC Input Voltage to any SCCP Shelf Module
Step Action
1 If it has not been done, perform the steps in Table 6-26.
2 Inspect SCCP shelf module connectors (both module and backplane) for damage.
3 Replace suspect modules with known good module.
TX and RX Signal Routing Problems
Table 6-28: 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