User's Manual Part 3

FRU Optimization/ATP Test Matrix
08/01/2001
B-1
1X SCt4812ET Lite BTS Optimization/ATP
PRELIMINARY
Usage & Background
Periodic maintenance of a site may also 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:
SCCP Shelf All sector TX and RX paths to the SCCP
shelf
Multicoupler/
Preselector Card
The three or six affected sector RX paths for
the SCCP shelf in the BTS frames
BBX2 board RX and TX paths of the affected SCCP
shelf / BBX2 board
CIO Card All RX and TX paths of the affected
CDMA carrier
Any LPA Module The affected sector TX path.
DRDC or TRDC All affected sector RX and TX paths
RFDS The RFDS calibration RX & TX paths
(MONFWD/GENFWD)
Inter-frame Cabling
Optimization must be performed after the replacement of any RF cabling
between BTS frames.
Table B-2: When to Optimize Inter–frame Cabling
Item Replaced Optimize:
Expansion frame–to–BTS
frame (RX) cables
The affected sector/antenna RX paths
Expansion frame–to–BTS
frame (TX) cables
The affected sector/antenna TX paths
B