User Manual

Intra-Cabinet Cabling
68P09255A57-2
Aug 2002
SC4812ET Optimization/ATP Manual Software Release R16.1.x.x
PRELIMINARY
H-16
DRDC/TRDC Cables and Cable Connections
The DRDC is a Duplexer, RX Filter, and Directional Coupler which
provides the RF interface at the rear of the cabinet. The connections are
the antenna connection (outside rear), transmit into the DRDC TX filter.
Receive out of DRDC (RX filter), and Directional coupler.
The TRDC is a TX filter/RX filter/Directional Coupler that is the same
as the DRDC except the TRDC has two antenna outputs (TX only and
RX only) The TRDC is not available in the 1.9 GHz band.
See Figure H-11, Figure H-12, Figure H-13, and Figure H-14 for the
cable diagram that fits the configuration of your BTS site.
H