Instruction Manual
Table Of Contents
- Contents
- Figures
- Tables
- General Safety
- Introduction
- Preliminary Operations
- Optimization/Calibration
- Automated Acceptance Test Procedures (ATPs)
- Leaving the Site
- Basic Troubleshooting
- Data Sheets
- Test Matrix
- BBX Gain Set Point vs BTS Output
- CDMA Operating Frequency
- PN Offset/I & Q Register
- Test Equipment Preparation
- In-Service Calibration
- Index
CCP Backplane Troubleshooting – continued
DRAFT
SC4812ET BTS Optimization/ATP — CDMA LMF
Apr 2001
6-18
No DC Voltage (+5, +6.5, or +15 Volts) to a Specific GLI2,
BBX2, or Switchboard
Table 6-23: No DC Input Voltage to any C–CCP Shelf Module
Step Action
1 Verify steps outlined 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
Table 6-24: No DC Input Voltage to any C–CCP Shelf Module
Step Action
1 Inspect all Harting Cable connectors and back–plane
connectors for damage in all the affected board slots.
2 Perform steps outlined in the RF path troubleshooting
flowchart in this manual.
6