CAT Note 15

	Computer Automation Technology Fort Lauderdale, Florida	CAT Note 15
	Release Date: March 12, 2004 Modified August 27, 2005
	Connecting a CAT to a Motorola MSR2000

Connecting a CAT controller to a Motorola MSR2000 Repeater can be accomplished by following these steps.

Step 1
Build an interconnect cable with a Male DB25 connectors on one end of a 6-wire conductor cable. The other end of the cable will be soldered onto the MSR2000 repeater. Connect the cable as follows:

FUNCTION	CAT controller	MSR-2000	MSR2000 Module/Location
Signal and Logic Grounds	Pin 17		Back Plane ground terminals
Receiver COR #1	Pin 6	Pin 5	Squelch Gate Card
Receiver Audio	Pin 13	Pin 17	Squelch Gate Card
Transmitter Audio	Pin 11	Pin 11	Squelch Gate Card
PTT #1	Pin 10		Line PTT Terminal
CTCSS	Pin 4	Pin 14	Squelch Gate Card

Step 2
Setup the necessary jumpers and other settings as required for using an external controller. Consult the MSR2000 manual for information.

Notes:
None

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