Replacing The Mts Lite / Mts 2 Duplexer; Figure 144: Schematic Diagram Of Mts Lite / Mts 2 Duplexer - Motorola MTS LiTE Installation, Configuration And Basic Service Manual

6802800U74-AN
Chapter 7: Radio Frequency Distribution System
NOTICE: Unused RX outputs should be terminated.
The receiver LNA and splitter provides multiple receive signal ports. An amplified output is provided for
connection to the other cabinet in an expansion configuration.
The digital power monitor (DPM) is a directional coupler that measures forward and reverse Power.
Power and VSWR information can be read through the CAN bus.

Figure 144: Schematic Diagram of MTS LiTE / MTS 2 Duplexer

Antenna
NOTICE: Unused RX outputs should be terminated.
7.2.3.1

Replacing the MTS LiTE / MTS 2 Duplexer

For a list of available FRUs, see
Process:
1 Remove the Duplexer, see
2 Insert the Duplexer into the filter tray, see
Filter Tray on page
3 Update the mapping list with the new unit TrackID, see
Unit TrackID on page
268
Duplexer
LNA
RX
VSWR
Coupler
Detector
CAN Bus
A/D
Ctrl
7V DC supply
Field Replaceable Units (FRUs) on page
Removing the MTS LiTE / MTS 2 Duplexer on page
Inserting the MTS LiTE / MTS 2 Duplexer into the
269.
269.
DC
DC
7V DC supply
TX
DC
CAN Bus
446.
Updating the Mapping List with the New
RX BR1
RX BR2
To Hybrid o r BR
2xCAN Bus
269.