Motorola DIMETRA MTS 2 Installation, Configuration And Basic Service Manual page 466

How to Install
Procedure 15-10 How to Install Additional Cavity Combiner (Continued)
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15-36
Only applies for Auto Tuned Cavity Combiner
Attach the DC cable to DC ATCC Out on the Power Supply Unit. Connect it to the DC socket
on the control box on the Cavity Combiner.
Route the DC cable so it will be placed behind the additional Cavity Combiner.
Slide the Cavity Combiner into the cabinet.
Fasten the three screws (two on the left and one on the right) that hold the Cavity Combiner onto
the brackets of the cabinet.
Attach the TX cables to the Base Radios.
Unplug the TX cable connected to ATCC 1 / TX Out connector and attach the TX Interconnect
Harness to the ATCC 1 / TX Out and ATCC 2 / TX Out connectors. Connect the original cable
to the TX Interconnect Harness.
Unplug the CAN Bus cable connected to ATCC 1 / CAN2 connector and attach it to ATCC 2 /
CAN2 instead.
Action
Before
After
When Manually Tuned Cavity Combiners are used, the CAN Bus is connected
directly from Duplexer or PostFilter / CAN2 connector to Power Supply Unit 2 /
CAN1 connector.
Connect the CAN Bus cable from the existing Cavity Combiner to the new Cavity Combiner
according to the scheme below:
Part no
3066544B09
3066544B06
If a terminator is situated in the ATCC 1 / CAN1 connector prior to cabling
according to scheme above, the terminator is removed.
Switch ON the Power Supply Unit.
From
Duplexer / CAN Out
Duplexer / CAN Out
Cable type
CAN Bus cable
CAN Bus cable
Chapter 15: Expansion Options
To
ATCC 1 / CAN2
ATCC 2 / CAN2
From To
ATCC 1 / CAN2 ATCC 2 / CAN1
ATCC 1 / CAN1 PSU2 / CAN1
6802800U74-N September 2009