User's Manual

Optimization (Pre–ATP) Data Sheets – continued
May 2000
A-9
SC 4812T CDMA BTS Optimization/ATP
TX Bay Level Offset/Power
Output Verification for
3–Sector Configurations
1–Carrier
2–Carrier Non–adjacent Channels
4–Carrier Non–adjacent Channels
Table A-10: TX BLO Calibration (3–Sector: 1–Carrier, 2–Carrier and 4–Carrier Non–adjacent Channels)
OK Parameter Specification Comments

BBX2–1, ANT–1 = dB
BBX2–r, ANT–1 = dB

Calibrate
carrier 1
TX Bay Level Offset = 42 dB (+4 dB)
prior to 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 = 42 dB (+4 dB)
prior to calibration
BBX2–8, ANT–2 = dB
BBX2–r, ANT–2 = dB

BBX2–9, ANT–3 = dB
BBX2–r, ANT–3 = dB

BBX2–4, ANT–1 = dB
BBX2–r, ANT–1 = dB

Calibrate
carrier 3
TX Bay Level Offset = 42 dB (+4 dB)
prior to calibration
BBX2–5, ANT–2 = dB
BBX2–r, ANT–2 = dB

BBX2–6, ANT–3 = dB
BBX2–r, ANT–3 = dB

BBX2–10, ANT–1 = dB
BBX2–r, ANT–1 = dB

Calibrate
carrier 4
TX Bay Level Offset = 42 dB (+4 dB)
prior to calibration
BBX2–11, ANT–2 = dB
BBX2–r, ANT–2 = dB

BBX2–12, ANT–3 = dB
BBX2–r, ANT–3 = dB
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