[App_rpt-users] Need help - Unexplained noise at startup or asterisk restart

Doug Kingston dpk at randomnotes.org
Fri Apr 14 22:34:08 EDT 2017

Thanks everyone. I believe this is now working.  Indeed, the carrierfrom
setting in simpleusb.conf was 'no' and needed to be 'usbinvert' for an
Arcom 210.  I also needed to change the duplex setting in rpt.conf from 2
to 0 (for use with a multiport controller like our Arcom).


On Fri, Apr 14, 2017 at 7:55 AM, Pawlowski, Adam <ajp26 at buffalo.edu> wrote:

> If I had to take a guess, it is that your COR or PTT lines from your Pi
> controller arrangement are normally low or whichever state (not an
> electronics guy) that it is not in until the apparatus is initialized by
> bringing the system online. App_rpt can generate some noises at startup,
> like, an announcement, IP address playout, etc, and it could sound like
> noise if this is blown way out with your tx volume way up to compensate for
> RX being too low, but, then your courtesy tones or other things would sound
> like exploding static as well.
> I have run into the line thing trying to retro this in place of a device
> with an embedded controller or modifications that were made by others in
> the past. Maybe that is it?
> Adam
> _______________________________________________
> App_rpt-users mailing list
> App_rpt-users at lists.allstarlink.org
> http://lists.allstarlink.org/cgi-bin/mailman/listinfo/app_rpt-users
> To unsubscribe from this list please visit http://lists.allstarlink.org/
> cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of
> the page. Enter your email address and press the "Unsubscribe or edit
> options button"
> You do not need a password to unsubscribe, you can do it via email
> confirmation. If you have trouble unsubscribing, please send a message to
> the list detailing the problem.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.allstarlink.org/pipermail/app_rpt-users/attachments/20170414/5a8db482/attachment.html>

More information about the App_rpt-users mailing list