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One other comment on the TKR 750/850, these repeaters have an analog
ground and a digital ground. Analog grounds are used for audio
connections and the digital grounds are used for signalling like PTT
COR and data.<br>
<br>
When connecting the the URI, or any repeater controller for that
matter, you must connect one analog ground and one digital ground
together at the URI or controller. Other wise the digital signals
may not work properly.<br>
<br>
Jon VA3RQ<br>
<br>
On 5/9/2015 4:15 PM, John wrote:
<blockquote
cite="mid:CALfzjYQqRnZu3Ap_GH2Bu-Efizna6g3DE-KwKEw6woG_Kd0diA@mail.gmail.com"
type="cite">
<div dir="ltr">Wow, thanks for all the replies guys!I
<div><br>
</div>
<div>Mike: I've played with the logic in both states just to be
sure. Nada inverted or not. I'm just getting back to this
project after a number of months, so I'm sort of starting all
over again. Just got everything pulled out of the motorhome so
I can start digging a liitle deeper. IF memory serves.... the
URI acts like it's loading the circuit. When not connected to
the URI, the aux output on the Kenwood switches with received
signal from 0 to 5 V or 5 V to 0 depending on how it's
programmed. I'll try your suggestion of applying +5 vdc or
ground to the URI...</div>
<div><br>
</div>
<div>Doug: No indication of change while monitoring the asterisk
client. Checked to make sure I was set for repeater operation
in the config files and all was well there too. </div>
<div><br>
</div>
<div>David: This is the same issue you tried to help me with
several months ago but I still couldn't get things going
before I hit the road for the winter - even with all of the
great info you provided. I reviewed your notes again before
tackling it again -- including checking all my wiring for the
umpteenth time. Just wasn't sure if there might be some
difference between your V2's and my V1. I'm just grasping for
straws at this point. </div>
<div><br>
</div>
<div>Got everything off the shelves and spread out now so let
the troubleshooting begin....</div>
<div><br>
</div>
<div>John</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Sat, May 9, 2015 at 1:24 PM, Doug
Crompton <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:doug@crompton.com" target="_blank">doug@crompton.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>
<div dir="ltr"><font color="#000000"
face="Tahoma,sans-serif">If it is positive true COS
anything above +2 should assert COS - in that case
you would be using usb NOT usbinvert in your config.
COS is blocked by a diode so anything up to 20+ volts
on a high is OK. It does have to go to a good low - 0V
if possible.<br>
<br>
Obviously if it is negative true COS it would be just
the opposite and using usbinvert.<br>
<br>
Go into the client - asterisk -rvvv and watch the
log. You should see a hungup status on drop of signal.
You can exercise this manually for testing if desired.<br>
</font><br>
<b><font style="font-size:16pt" size="4">73 Doug</font><font
style="font-size:16pt" size="4"><br>
</font><font style="font-size:16pt" size="4">WA3DSP</font><font
style="font-size:16pt" size="4"><br>
</font><font style="font-size:16pt" size="4"><a
moz-do-not-send="true"
href="http://www.crompton.com/hamradio"
target="_blank">http://www.crompton.com/hamradio</a></font></b><font
style="font-size:16pt" size="4"><br>
</font><br>
<br>
<div>
<hr>From: <a moz-do-not-send="true"
href="mailto:wb5nfc@gmail.com" target="_blank">wb5nfc@gmail.com</a><br>
Date: Sat, 9 May 2015 12:49:35 -0500<br>
To: <a moz-do-not-send="true"
href="mailto:App_rpt-users@ohnosec.org"
target="_blank">App_rpt-users@ohnosec.org</a><br>
Subject: [App_rpt-users] DMK URI COS Level / Kenwood
TKR-850<span class=""><br>
<br>
<div dir="ltr">
<div> <span
style="color:rgb(0,0,0);font-family:HelveticaNeue,'Helvetica
Neue',Helvetica,Arial,'Lucida
Grande',sans-serif;font-size:12px">Is the 0-5
Volt COS swing on a Kenwood TKR-850 sufficient
to switch the COS on a DMK URI? Can't seem to
get my system to repeat. I'm out in the
'boondocks' with very few parts and a long way
from a Radio Shack. Just hoping I don't need
to buffer the COS somehow to get it to
switch. </span><br>
</div>
<div
style="color:rgb(0,0,0);font-family:HelveticaNeue,'Helvetica
Neue',Helvetica,Arial,'Lucida
Grande',sans-serif;font-size:12px">
<div><img moz-do-not-send="true"
src="https://ssl.gstatic.com/ui/v1/icons/mail/images/cleardot.gif"></div>
</div>
<div>John</div>
</div>
<br>
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<br>
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</div>
-- <br>
<div class="gmail_signature">John Kenney</div>
</div>
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