[arm-allstar] TK8180 FOB interfacing

[Ed Wilhelm]

Use Pin 17 AFO for your receive audio. This is squelched filtered audio.

Use Pin 6 Ext Mic input for your transmit audio.

With the FPU program your choice for TOR and PTT.

Have used a lot of these Kenwoods in various projects, they work great.

Ed W8VT

On 8/6/19 7:26 PM, "Doug Crompton via ARM-allstar" wrote:
>
> From: Kevin Halton <khalton at cox.net <mailto:khalton at cox.net>>
>
>
> So I've been trying to build an allstar node for some time now. I only 
> get 20-30 minutes at a time to work on it. That said, I've tried 2 
> different USB interfaces and I still can't seem to get the damn thing 
> to work.
>
> I'm currently using a TK-8180 as the radio because it has a 25 pin 
> accessory connector on the back which should (theoretically) make 
> things easy. If I can get that to work I have lots of ideas for 
> interfacing other radios and I'm more than willing to futz around with 
> usb fobs.
>
> Anyway, here's a diagram of the pinout for the radio from the service 
> manual (7180 is the same as 8180):
>
> image.png
>
> I've tried connecting to this radio using a USB-Rim Lite 
> <http://www.repeater-builder.com/products/usb-rim-lite.html> and a 
> Radio Farm Projects VOIP CM119B Interface 
> <https://sites.google.com/site/radiofarmprojects/home/voip-interface>.
>
> The RIM Lite doesn't appear to pull down the PTT I/O enough to stay 
> keyed and I can't seem to get any audio in or out of it (using 
> SimpleUSB Tune).
>
> The CM119B Interface seems to do a fine job doing PTT but again, no 
> audio in or out as far as I can tell.
>
> I'm using these pins on the radio:
>
> 5 - DI - Data Input
>
> 7 - Ground
>
> 12 - IO7 - Configured for COS
>
> 13 - IO6 - Configured for PTT
>
> 19 - DEO - Discriminator External Output
>
> Any ideas as to where I'm going wrong? Any feedback is appreciated
>
>
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