[cisco-voip] LMR

Fretz, EA Eric at IS Eric.A.Fretz at L-3com.com
Tue Jan 10 13:39:28 EST 2006


We don't use Land Mobile Radios in our setup, but we do use LMR signaling
with other devices.  I am assuming you will be use the 1 or 2 port E&M VWICs
on a NM-HDV2 netmodule.  Pins 2(E) and 7(M) are your signal pins and 4(TIP)
and 5(RING) are your audio pins.  I could not find a way to effectively
simulate COR or PTT with our transmit equipment, so I wound up using VAD to
do VOX detection to signal that there was audio to send to the radio from
the router.   So far, that has worked pretty well.

Cheers,
Eric


-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Sean Watkins
Sent: Tuesday, January 10, 2006 12:17 PM
To: 'cisco-voip at puck.nether.net'
Subject: [cisco-voip] LMR


Hi,
We have a number of Motorola trunking radios; and were looking at connecting
them to our CME router. Reading through Ciscos Docs on LMR (Land Mobile
Radio)

http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123newft/123
t/123t_7/lmrip/lmrsrnd/index.htm

Its pretty simple to setup. Wondering if anyone on list 

1) Has done this
2) What the results were. 

I'm looking for pinouts for the radios, and if anyone is interested in the
results I'd be more than happy to pass them along.

Sean



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