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
Appendix A: Optimization (Pre–ATP) Data Sheets – continued
Apr 2001
A-11
SC4812ET BTS Optimization/ATP — CDMA LMF
DRAFT
3–Carrier Adjacent Channels
4–Carrier Adjacent Channels
Table A-9: TX Bay Level Offset Calibration (3–Sector: 3 or 4–Carrier Adjacent Channels)
OK Parameter Specification Comments
BBX2–1, ANT–1 = dB
BBX2–r, ANT–1 = dB
Calibrate
carrier 1
TX Bay Level Offset = 37 dB before
calibration
BBX2–2, ANT–2 = dB
BBX2–r, ANT–2 = dB
BBX2–3, ANT–3 = dB
BBX2–r, ANT–3 = dB
BBX2–7, ANT–1 = dB
BBX2–r, ANT–1 = dB
Calibrate
carrier 2
TX Bay Level Offset =37 dB before
calibration
BBX2–8, ANT–2 = dB
BBX2–r, ANT–2 = dB
BBX2–9, ANT–3 = dB
BBX2–r, ANT–3 = dB
BBX2–4, ANT–4 = dB
BBX2–r, ANT–4 = dB
Calibrate
carrier 3
TX Bay Level Offset = 37 dB before
calibration
BBX2–5, ANT–5 = dB
BBX2–r, ANT–5 = dB
BBX2–6, ANT–6 = dB
BBX2–r, ANT–6 = dB
BBX2–10, ANT–4 = dB
BBX2–3, ANT–4 = dB
Calibrate
carrier 4
TX Bay Level Offset = 37 dB before
calibration
BBX2–11, ANT–5 = dB
BBX2–r, ANT–5 = dB
BBX2–12, ANT–6 = dB
BBX2–r, ANT–6 = dB
BBX2–1, ANT–1 = dB
BBX2–r, ANT–1 = dB
Calibration
Audit
carrier 1
0 dB (+0.5 dB) for gain set resolution
post calibration
BBX2–2, ANT–2 = dB
BBX2–r, ANT–2 = dB
carrier 1
BBX2–3, ANT–3 = dB
BBX2–r, ANT–3 = dB
. . . continued on next page
A