[arm-allstar] Interfacing into a Quantar

Clint (WB3EHB) wb3ehb at yahoo.com
Mon Jul 10 14:07:39 EST 2017


William,
Two questions, one very important one... 
1st, what part of the world are you located in?
2nd, do you have a manual for the station? IMPORTANT!
Call sign?

Clint WB3EHB

DMR ID.. 3134022

AllStar Node 27631
 
IRLP Node's 3740 & 4546
WB3EHB at yahoo.com


On Monday, July 10, 2017, 11:58:11 AM EDT, Doug Crompton via arm-allstar <arm-allstar at hamvoip.org> wrote:

Bill,

I don't personally know anything about the Quantar but this link shows all
the signals are there -

http://www.qsl.net/kb9mwr/projects/dv/apco25/2013_08_27_Quantar_modem_interfacing.pdf

I presume you are using hamvoip.org V1.5 image? If so the ADMIN menu to the
simplesusb item 12 and then the 'v' option will show you the realtime state
of both COS and PTT. When you key into the Quantar from another radio
(Quantar receiving) you should see a keyed COS condition and otherwise
clear. If you are not getting the keyed condition then you will also have
no RX audio (audio from the Quantar to Allstar)  You can also manually key
the radio from the simpleusb menu using items D or E.  Once you get PTT and
COS working you may have to set pre or deemphasis depending on whether the
RX/TX audio lines coming out of the Quantar require that. And of course
finally set the levels.

You may want to also look at his previous thread on this list -

http://lists.hamvoip.org/pipermail/arm-allstar/2017-February/004663.html



*73 Doug*

*WA3DSP*

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




On Mon, Jul 10, 2017 at 11:28 AM, "William Freeman via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> Good morning, everyone!
>
> I'm working on interfacing my Quantar (25w UHF P25/analog) into AllStar
> Link on analog using the telco connector on the back. (P25 will be
> standalone for now while I work on acquiring other things.) I am using a
> URI and a RPIII.
>
> I built the interface cable from the diagram on this list from June 19,
> 2016. That being said, I am not getting any audio to come in from the
> network or go out over the network. Initially, the URI's red light was
> always on and kept another AllStar repeater here in town keyed up. I
> changed the "carrierfrom" in the simpleusb.conf, and that fixed that
> problem. The URI's red light will turn on when its receiving audio from
> across the network.
>
> To me, it seems like the AllStar is somewhat configured properly, but there
> is an issue somewhere. I noticed that within the RSS for Quantar there are
> routing tables. Is this where the problem lies?
>
> I've interface to GR-1225 and Maxtracs before, but this is definitely a
> bigger beast that is a bit beyond my scope of understanding, but no better
> chance than the present to learn.
>
> Thanks in advance
> Bill
> --
> William Freeman
> _______________________________________________
>
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>
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>
>
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