[App_rpt-users] Question regarding interfacing to a Kenwood Nextedge Repeater NXR-710/810

[Lu Vencl]

Thanks to Don and Ed for the replies.

Here is the latest. Problem ended up being that the URI was not sending TX
audio from the locally processed repeater transmissions.  Not sure why, but
when I changed the ctcssfrom=no to ctcssfrom=usb   it started to work..  Not
sure why as I am not even tying the URI CTCSS to anything.  But regardless I
now have the audio.

Ed, I am going to keep the Kenwood repeaters in repeat mode so that if the
node should go down, it will at least repeat locally. That was my
objective.. So with the External PTT trigger occurring, I have the take over
I was looking for anyway. This means that when the node is up (sending PTT)
the local repeat audio is not enabled, and that is good so I can take
advantage of the Allstar processed audio.

The only remaining item is that I was hoping to send the pre-emphasised
audio into the repeater that would be able to handle that audio.  Don
mentioned that I should be able to feed it into Pin 8 which is TX Data in,
but I am not getting any modulation for some reason.. I will continue to
troubleshoot. Worse case, I will go with your plan Ed and go speaker audio..


 

 

rxcpusaver=0

txcpusaver=0

 

[usb]

 

hdwtype=0           ; 0=std,1=dev

eeprom=0            ; unless you have a cable w/eeprom

duplex=1            ; 0=simplex, 1=duplex

invertptt=0

;minsigproc=0                    ; minimal signal processing

;sendvoter=0        ; 0=default, no voter rssi, 1=enable voter rssi

 

carrierfrom=usb    ; no,usb,usbinvert,dsp,vox

ctcssfrom=usb        ; no,usb,dsp

 

rxboost=1           ; rx input boost of 20dB

rxdemod=flat        ; no,speaker,flat

txprelim=1          ; 1 = pre-emphasize and limit

 

 

From: app_rpt-users-bounces at ohnosec.org
[mailto:app_rpt-users-bounces at ohnosec.org] On Behalf Of Ed Wilhelm
Sent: Monday, December 30, 2013 8:35 AM
To: app_rpt-users at ohnosec.org
Subject: Re: [App_rpt-users] Question regarding interfacing to a Kenwood
Nextedge Repeater NXR-710/810

 

Haven't hooked up a URI to one but have done some other things.
Your transmit audio should be "microphone" audio, not pre-emphasized. Pin 9.
Rx audio is at 11, squelched. PTT at 16 and TOR can be assigned under
function port to whatever pin you like.

In KPG-129D go to channel edit and set operation mode to duplex not
repeater. Now the URI should control and handle audio.

Should work on analog or digital. Use simple USB not dsp.

Ed W8VT
Nodes 27849, 29496



On 12/29/2013 10:28 PM, Lu Vencl wrote:

I know this is a shot in the dark and I am probably the only one trying
this, but is there by chance anyone that has successfully interfaced a URI
to a Kenwood NEXEDGER Repeater NXR-710/810?

My challenge is this.

1.       Can't seem to find a way to feed in pre-emphasize TX audio.. Not a
show stopper, but sure would be nice if I could. I can always run regular
mode.. Tried the TX data input but got no audio

2.       When using external PTT, it mutes the TX audio for some reason.
Seems as when the repeater is receiving audio, and the URI bring PTT low on
the External PTT, it mutes the audio completely. You hear no repeat audio.

 

I am using in rpt.conf,  Duplex =1.. If I do Duplex =0, then I get the
internal repeat audio, but it does not take advantage of the Allstar
processed audio such as audio delay and DTMF muting.

 

There has to be a better way and has hoping someone has already succeeded in
this challenge. I can email you the programming file to the repeater if you
wish.

 

Thanks in advance.

Lu, KA4EPS






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