User Manual

Content Summary

1-10 1X SC4812T–MC BTS Optimization/ATP 5/21/04

DRAFT

Publication Composition

This publication covers the following areas.

S Introduction: 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: jumper configuration of BTS sub–assemblies,

pre–power up tests, initial power application and power–up tests for

the BTS equipment frame after installation, and download of all BTS

processor boards and PAs.

S Optimization/Calibration: downloading all BTS processor boards, test

equipment set–up and calibration, PA verification, radio frequency

(RF) path verification, Bay Level Offset (BLO) calibration, Cellular

Radio Monitoring System (CRMS), and Radio Frequency Diagnostic

System (RFDS) functions and calibration.

S Acceptance Test Procedures (ATP): automated ATP scripts executed

by the LMF and used to verify all major transmit (TX) and receive

(RX) performance characteristics on all BTS equipment. Includes

generating an ATP report.

S Prepare to Leave the Site: site turnover process after ATP is

completed.

S Basic Troubleshooting: procedures to perform when an ATP fails, as

well as when incorrect results are obtained during logon, test

equipment operation, calibration, and Global Positioning System

(GPS) operation. These tests are typically used to isolate faults down

to the module level. Also provided is additional information necessary

to better understand equipment operation.

S Appendices that contain pertinent data sheets that are filled out

manually by the CFE at the site, Pseudorandom Noise (PN) Offset

information, an optimization/ATP matrix , output power data tables,

CDMA operating frequency programming information, manual test

setup information, procedures for verifying that the Voltage Standing

Wave Ratio (VSWR) of all antennas and associated feed lines fall

within acceptable limits, and procedures for downloading ROM and

RAM code.