[App_rpt-users] Motorola GM300 Transmitter PTT Issue With APP_RPT & DMK URI

[Andrew Sylthe]

OK, I set 'carrierfrom=usbinvert' in usbradio.conf, and it fixed my "PTT"
issue.  It did end up being a COR polarity problem.  I didn't have to
invert PTT.  I have 'invertptt=0' set in usbradio.conf.  My repeater / node
(27220) is up and running.

Thanks for the helpful suggestions guys!




On Mon, Nov 4, 2013 at 2:00 PM, Bryan D. Boyle <bdboyle at bdboyle.com> wrote:

> try the other valu one at a time...save, restart, see what happens.  can't
> break anything.
>
>
> --
> Bryan
> Sent from my iPad
>
> On Nov 4, 2013, at 2:41 PM, Andrew Sylthe <asylthe at kc9ona.com> wrote:
>
> Bryan & Sam,
>
> Thank you for your responses.  I'll be sure to check both.
>
> I would assume the following are the correct configuration options to
> change in usbradio.conf if one or both scenarios are true:
> carrierfrom=usbinvert
> invertptt=1
>
> Sam, what did you have to change in the configuration to rectify the issue
> you were having?
>
>
> Thanks!
>
>
>
>
>
>
> On Mon, Nov 4, 2013 at 1:25 PM, Sam Nabkey <sam.nabkey at gmail.com> wrote:
>
>> I would also check the COS polarity.  I had the exact issue yesterday
>> during a similar set-up.
>>
>> Sam...
>> On Nov 4, 2013 1:58 PM, "Andrew Sylthe" <asylthe at kc9ona.com> wrote:
>>
>>> Hello app_rpt users,
>>>
>>> I'm new to using app_rpt, and so far it looks like a great solution for
>>> a repeater controller.  I'm excited to get my system up and running, and
>>> linked into the Allstar Link Network.  I downloaded ACID from
>>> https://allstarlink.org/, and installed the distro quite painlessly.  I
>>> have the system setup to download my Asterisk configuration files
>>> automatically from AllStar Link.
>>>
>>> I purchased a URI from DMK, and made my own custom cable following the
>>> example found here http://ohnosec.org/drupal/node/138 for a pair of
>>> Motorola GM300 8 channel radios.  I decided to go with the "Processed
>>> audio" configuration, and do have JU551 in position 'B' on the receive
>>> radio (and transmit radio for that matter).  I'm sending COR from the radio
>>> to the URI.
>>>
>>> I wasn't able to run 'radio tune rxnoise' from within Asterisk.  I'm
>>> assuming that may not work because I'm using processed audio, not flat.  I
>>> found another post on this mailing list from some time ago indicating that
>>> to be true, but correct me if I'm wrong.
>>>
>>> Here is the problem that I'm having:  The transmit radio becomes keyed
>>> as soon as Asterisk starts.  I'm not sure why the URI / app_rpt is setting
>>> PTT to high when the receive radio isn't receiving a signal.  The receive
>>> radio is setup to decode PL, and I've jumpered the mic hangup to ground (so
>>> the radio isn't stuck in monitor mode).  The transmit radio will eventually
>>> hit its TOT, and unkey.  I've spent a good amount of time scouring the
>>> internet for a solution to the problem before starting this email thread.
>>>  Any help would be greatly appreciated.
>>>
>>> I hope that someone else has had this same problem, and that there is an
>>> easy fix.  If not, I'm happy to share any and all additional information
>>> necessary for a solution to the problem.
>>>
>>> Thank you for your time in advance!
>>>
>>>
>>> --
>>> Andy
>>>
>>> _______________________________________________
>>> App_rpt-users mailing list
>>> App_rpt-users at ohnosec.org
>>> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
>>>
>>>
>
>
> --
> Andy
>
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>
>


-- 
Andy
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