[arm-allstar] DMK URI mic in

[Simon Keys]

Thanks Doug.  A couple of quick follow ups:
- Do I need a mic level to line level preamp for pin 21?  Because that pin
is labelled Audio In, Line Level.
- What is the purpose of pin 9?

Regards
Simon ZL1OE


On Sat, Dec 10, 2016 at 6:17 PM, "Doug Crompton via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> Simon,
>
>   Mic out should go to pin 21.  The speaker to 22 through an amplifier. The
> grounds can connect together. Also remember that PTT from the mic goes to
> COS on the URI. You do not use PTT coming FROM the URI. You also need to
> wire power from the FOB +5 to the mic and you could also use it to power an
> amplifier for a speaker. See the radioless node howto from the hamvoip.org
> web page. -
>
> https://hamvoip.org/hamradio/USBFOB_without_radio/
>
>
>
> *73 Doug*
>
> *WA3DSP*
>
> *http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
>
> On Fri, Dec 9, 2016 at 3:27 PM, "Simon Keys via arm-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
> > Hi all, hope you are well.
> >
> > I am building a radioless node and having a few challenges getting the
> mic
> > to work. I'm using the Alinco EMS-57.
> >
> > Should I wire the mic out (Pin 1) to Pin 9 or Pin 21 of the URI?
> >
> > And do I need to use the separate "mic ground" (Pin 7) and if so do I
> just
> > short that to the chassis/cable ground?
> >
> > Many thanks for the help you provide the Allstar community.
> >
> > Regards
> > Simon ZL1OE
> > _______________________________________________
> >
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> >
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> >
> >
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