DVR Hookup Information

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Audio inputs and outputs  J3 is the row of pins 1 through 14 on the PC Board.
Channel 1 input J3 pin 12
Channel 1 output J3 pin 6
Channel 2 input J3 pin 10
Channel 2 output J3 pin 4
Channel 3 input J3 pin 8
Channel 3 output J3 pin 2
Audio Ground J3 pins 1,3,5,7,9,11,13

Serial ASCII Signals   J2 = DB 25 Connector

Channel 1 Serial Data In J2 pin 2
Channel 2 Serial Data In J2 pin 6
Channel 3 Serial Data In J2 pin 10

COS Signals

Channel 1 COS In J2 pin 3
Channel 2 COS In OR Channel 1 PL In J2 pin 7 (Dip Sw Selected)
Channel 3 COS In J2 pin 11

Busy Signals

Channel 1 Busy Out J2 pin 4
Channel 2 Busy Out J2 pin 8
Channel 3 Busy Out J2 pin 12

Logic Grounds are J2 pins 14-25.

RC-96 Manual Page 83  "Digital Voice Recorder Interface"

RC-96                DVR
4                   2 with a 2.2K pullup resistor to +12 OR +5 volts.
1                   Audio Out
3                   Audio In
8                   3
5                   Ch 2 Audio In
6                   Ch 2 Audio Out


DVR Tip Sheet

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