User's Manual

Optimization Manual: Scope and Layout68P09258A31–A
Oct 2003
1X SCt 4812T BTS Optimization/ATP
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Document Composition
This document covers the following major areas.
S Introduction, consisting of preliminary background information (such
as component and subassembly locations and frame layouts) to be
considered by the Cellular Field Engineer (CFE) before optimization
or tests are performed.
S Preliminary Operations, consisting of pre–power up tests, jumper
configuration of BTS sub–assemblies, and initial application of power
to the BTS equipment frames. Download of all BTS processor boards,
and PAs.
S Optimization/Calibration, consisting of downloading all BTS
processor boards, PA verification, radio frequency (RF) path
verification, Bay Level Offset (BLO) calibration, and Radio
Frequency Diagnostic System (RFDS) functions and calibration
S Acceptance Test Procedures (ATP), consisting of automated ATP
scripts executed by the LMF and used to verify all major transmit
(TX) and receive (RX) performance characteristics on all BTS
equipment. Also generates an ATP report.
S Optional manual performance tests used to verify specific areas of site
operation or to verify regulation compliance. These tests are typically
used to isolate faults down to the module level and information
necessary to better understand equipment operation.
S Site turnover after ATP is completed.
S Appendices include:
– Data sheets for CFE’s recording at the site
– Pseudorandom Noise (PN) Offset information
– Optimization/ATP matrix
– BBX Gain set point vs BTS output
– CDMA operating frequency programming information
– Manual test setup information
– Downloading ROM and RAM code
– In–service calibration procedures
– GPIB addresses
– Procedures for verifying that the Voltage Standing Wave Ratio
(VSWR) of all antennas and associated feed lines fall within
acceptable limits
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