User's Manual Part 3

Appendix B: FRU Optimization/ATP Test Matrix

Apr 2001

B-1

SC4812ET BTS Optimization/ATP — CDMA LMF

DRAFT

Usage & Background

Periodic maintenance of a site may also may mandate re–optimization of

specific portions of the site. An outline of some basic guidelines is

included in the following tables.

Re–optimization steps listed for any assembly detailed in

the tables below must be performed anytime a RF cable

associated with it is replaced.

IMPORTANT

BTS Frame

Table B-1: When RF Optimization Is required on the BTS

Item Replaced Optimize:

C–CCP Shelf All sector TX and RX paths to all

Combined CDMA Channel Processor

(C–CCP) shelves.

Multicoupler/

Preselector Card

The three or six affected sector RX paths for

the C–CCP shelf in the BTS frames.

Preselector I/O All sector RX paths.

BBX2 board RX and TX paths of the affected C–CCP

shelf / BBX2 board.

CIO Card All RX and TX paths of the affected

CDMA carrier.

Any LPA Module The affected sector TX path.

LPA Backplane The affected sector TX path.

LPA Filter The affected sector TX path.

Ancillary Frame

Item Replaced

Optimize:

Directional Coupler All affected sector RX and TX paths to all

BTS frame shelves.

Site filter All affected RX sector paths in all shelves

in all BTS frames.

Any RFDS component

or TSU.

The RFDS calibration RX & TX paths

(MONFWD/GENFWD).

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