[arm-allstar] Urix Pin 9

Doug Crompton wa3dsp at gmail.com
Thu Jun 14 11:50:56 EST 2018


http://dmkeng.com/images/URIx%20Schematic.pdf

Larry pin 9 is mic in DC. It doesn't show in the schematic but it hooks
directly to the CM119. The proper pin to use is 21 AC coupled unless you
have some special need.


*73 Doug*

*WA3DSP*

*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*


On Thu, Jun 14, 2018 at 11:38 AM, "Larry via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> I don't have a URIx handy to look at - all mine are in use.
>
> Can someone tell me what pin 9 on the URIx DB25 is wired to?
> On the URIx schematic the MIC IN just above that wire belongs to pin 21
> I would like to know what Pin 9 connects to - if anything.
>
> Larry - N7FM
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