Users Manual Part 1

Figure 155: Schematic Diagram of MTS 4 Duplexer
Duplexer
Antenna
2xCAN Bus
To Hybrid ATCC/
MTCC or BR
Exp. Cabinet
BR4
BR3
RX
7V DC supply
RX
RX
RX
RX
CAN Bus
7v DC supply
RX
TX
BR2
BR1
DC
DC
DC
DC
DC
LNA
A/D
CAN Bus
Ctrl
Pwr
meter
Coupler
Detector
7.3.3.1
Replacing the MTS 4 Duplexer
Process:
1 Remove the Duplexer.
See Removing the MTS 4 Duplexer on page 298.
2 Insert the Duplexer into the filter tray.
See Inserting the MTS 4 Duplexer into the Cabinet on page 299.
3 Update the mapping list with the new unit TrackID.
See Updating the Mapping List with the New Unit TrackID on page 299.
7.3.3.1.1
Removing the MTS 4 Duplexer
Procedure:
1 WARNING: RF energy hazard and potential equipment damage precaution.
To prevent accidental contact with high energy and injury to personnel, switch ff all power to the
Power Supply Unit.
6802800U74-AP
Chapter 7: Radio Frequency Distribution System
298