CAT Note 11

	Computer Automation Technology Fort Lauderdale, Florida	CAT Note 11
	Release Date: March 10, 2004
	Connecting a CAT to a Vertex-7000 Repeater

Connecting a CAT controller to a Vertex-7000 Repeater can be accomplished easily by following these two steps.

Step 1
Build an interconnect cable with a DB25 male connector on both ends of a 5-wire conductor cable. Connect the connector pins as follows: (Note: a pre-built cable is available for purchase under CAT part number CA-7000).

FUNCTION	CAT controller	VXR-7000	NOTES
Signal and Logic Grounds	Pin 17	Pin 14
Receiver COR #1	Pin 6	Pin 11	Signal goes low with a COR
Receiver Audio	Pin 13	Pin 6	RX audio to CAT controller
Transmitter Audio	Pin 11	Pin 3	TX audio from CAT controller
PTT	Pin 10	Pin 12	VXR-7000 Transmitter Control

Step 2
Program the VXR-7000 repeater using the configuration software supplied with the repeater.

PARAMETER	CONFIGURED AS
Frequency	Required RX and TX frequency pair
Timers	All disabled
Action Mode	Duplex
DC Lowpower	Low Power
Thermal Power Cont	Enabled
Beep	Disabled
Hang Time Mode	Quiet
CTCSS	All OFF

Notes:
1. Set all VXR-7000 control switches to default position.
2. VXR-7000 Repeater/Base switch to Base position (Green lamp off).
3. VXR-7000 Remote/Local switch to Remote position (Green lamp on).

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Computer Automation Technology, Inc.
4631 N.W. 31st Avenue, Suite 142
Fort Lauderdale, Florida 33309

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