User's Manual Part 3

FRU Optimization/ATP Test Matrix
Mar 2001
C-1
SCt4812T CDMA BTS Optimization/ATP
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 an RF cable
associated with it is replaced.
IMPORTANT
*
BTS Frame
Table C-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.
BBX board RX and TX paths of the affected C–CCP
shelf / BBX 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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