[arm-allstar] Radio-less allstar node

[Don Ritchie]

It wouldn't be the same, when you have someone else build something for 
you you don't learn anything.

This whole project is a learning experience for me.

Thanks

Don

On 11/13/2019 23:29, Marshall Oldham wrote:
> Don,
>
> I can build you a radioless interface if you are interested
>
> Marshall
>
> On Wed, Nov 13, 2019 at 6:15 PM "Don Ritchie via ARM-allstar" 
> <arm-allstar at hamvoip.org <mailto:arm-allstar at hamvoip.org>> wrote:
>
>     I almost hesitate to ask this question, but I’m a 77 year old ham,
>     that
>     has been licensed for 59 years and am still learning.
>     I am planning on making a “radio-less” all star node, using one of
>     Kevin’s RA-25 interfaces and
>     have some confusion.
>     Looking at the pin-outs for the 9 pin connector, some things seem
>     obvious,
>     while others are confusing.The way I think I see this …
>     pin 1 will be connected to an amplified speaker ( other side to
>     ground,
>     pin 8)
>     If this were connected to a radio, this would be going to
>     transmitter audio.
>     pin 5, PTT to ground, ( pin 8) ( maybe through a current limiting
>     resistor ??)
>     OR, because this is “turned around” would it go to COS (pin3) ??
>     But where does my “audio in”, mic input and touch tone pad, go ?
>     My choice seems to be pin 6, Discriminator audio, again in a “turned
>     around” world,
>     OR ??
>     I know this isn’t rocket science …
>     But it seems as though nobody that has built one of these, has not
>     documented it very well.
>
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