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

[Steve Agee]

Don't forget to add "linktolink=yes" in your /etc/asterisk/rpt.conf 
file, if it applies in your situation with the Arcom.

N5ZUA

On 4/14/2017 9:34 PM, Doug Kingston wrote:
> 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).
>
> -Doug-
>
> On Fri, Apr 14, 2017 at 7:55 AM, Pawlowski, Adam <ajp26 at buffalo.edu 
> <mailto: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
>     KC2YQF
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