User Manual

Site Operation Verification
68P09255A57-2
Aug 2002
SC4812ET Optimization/ATP Manual Software Release R16.1.x.x
PRELIMINARY
A-10
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-7: TX BLO Calibration (3-Sector: 1-Carrier, 2-Carrier and 4-Carrier Non-adjacent Channels)
OK Parameter Specification Comments

BBX-1, ANT-1 = dB
BBX-r, ANT-1 = dB

Calibrate
carrier 1
TX Bay Level Offset = 37 dB (+4 dB)
prior to calibration
BBX-2, ANT-2 = dB
BBX-r, ANT-2 = dB

BBX-3, ANT-3 = dB
BBX-r, ANT-3 = dB

BBX-7, ANT-1 = dB
BBX-r, ANT-1 = dB

Calibrate
carrier 2
TX Bay Level Offset = 37 dB (+4 dB)
prior to calibration
BBX-8, ANT-2 = dB
BBX-r, ANT-2 = dB

BBX-9, ANT-3 = dB
BBX-r, ANT-3 = dB

BBX-4, ANT-1 = dB
BBX-r, ANT-1 = dB

Calibrate
carrier 3
TX Bay Level Offset = 37 dB (+4 dB)
prior to calibration
BBX-5, ANT-2 = dB
BBX-r, ANT-2 = dB

BBX-6, ANT-3 = dB
BBX-r, ANT-3 = dB

BBX-10, ANT-1 = dB
BBX-r, ANT-1 = dB

Calibrate
carrier 4
TX Bay Level Offset = 37 dB (+4 dB)
prior to calibration
BBX-11, ANT-2 = dB
BBX-r, ANT-2 = dB

BBX-12, ANT-3 = dB
BBX-r, ANT-3 = dB

BBX-1, ANT-1 = dB
BBX-r, ANT-1 = dB

Calibration
Audit
carrier 1
0 dB (+0.5 dB) for gain set resolution
post calibration
BBX-2, ANT-2 = dB
BBX-r, ANT-2 = dB

carrier 1
BBX-3, ANT-3 = dB
BBX-r, ANT-3 = dB
. . . continued on next page
A