RE: [Repeater-Builder] Icom OPC-617 Cable

[John Transue]

Ryan,

The information you want is at http://www.prestonmoore.com/opc-617.html 

JOhn

-Original Message-
From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com]
On Behalf Of ryan_151
Sent: Tuesday, July 13, 2010 10:26 PM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Icom OPC-617 Cable

im trying to use the OPC-617 cable with an Icom f121 radio to connect it to an
intercom and need to know how what pins to use to connect my mic+- audio into
the F121 radio and the f121 radio audio out +-.  Any help with this woud be
great, Thanks







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Re: [Repeater-Builder] Icom OPC-617 Cable

[Duane Hall]

  You would want Rx audio from 2 and 7, Tx audio in on 4 and 8, solder 
bead D in the radio.

I dont recall if there is a VOX option in the radio. If the intercom is 
full duplex, how will you key up the radio (PTT)?

DB9
1Dimmer in
2De-Emph Audio Out (affected by Vol Pot)
3Discriminators Audio (Un Squelched)
4Tx Mod In
5PTT in
6COR out (probably need a pull up resistor)
7Ground
8Ground
9Ground

Pin 2 - You can set a minimum level via Set Mode
Pin 4 - Tx freq response. Solder bead F for data, solder bead D for audio
Pin 5 - Enable external PTT via software. Common>Expert>EPTT
Pin 6 - Enable COR via software. Disable the 2/5 tone function for the 
selected channel.  Common>Expert> RX EXO to ON, and delay timer to OFF


Pinout info on page 16 at 
http://www.repeater-builder.com/icom/pdfs/icom-ic-f111-f121-f211-f221.pdf



Duane
AB8QU

On 7/13/2010 10:28 PM, ryan_151 wrote:
> im trying to use the OPC-617 cable with an Icom f121 radio to connect it to 
> an intercom and need to know how what pins to use to connect my mic+- audio 
> into the F121 radio and the f121 radio audio out +-.  Any help with this woud 
> be great, Thanks