[App_rpt-users] Wiring a GM300 to a RTCM

[Sam Nabkey]

Hello..

GM300 Pin 11 - RTCM Pin 3 - Rx Audio JU 551 inside the GM300,  in position
A gives FLAT (not De-emphasised) audio out pin 11.We want to use the RTCM's
internal Squelch.

GM300 Pin 8 - RTCM  Pin 4 - CTCSS Input
GM300 Pin 5 - RTCM Pin 2 - TX Audio
GM300 Pin 3 - RTCM Pin 7 - PTT
GM300 Pin 7 - RTCM Pin 9 - Gnd

RTCM Info - http://www.micro-node.com/thin-m1.html
GM300 Info- http://www.batlabs.com/gm300.html

Google is your friend.

Have fun!!!



On Sat, Jun 20, 2015 at 1:48 AM, R. Wayne <allstar at controlservers.net>
wrote:

>   I’ll confess that I am new to this part. It was dumped on me without
> warning and that’s OK. Time to learn a few things. I have a GM300 that is
> going to be a remote base and a cable purchased from eBay that is prewired
> for the GM300 side. I understand (I think) that TX goes RX, RX goes to TX,
> GRND to GRND – but now for PTT, COR and CTCSS. I wonder if some could push
> me over a cliff – I mean in the right direction. I have no documentation on
> the RTCM.
>
> Thanks, R. Wayne
>
> The RTCM connections are:
>
> DB9-Female
>
> 1 Vin (12v)
> 2 TX Audio
> 3 RX Audio
> 4 CTCSS
> 5 GND
> 6 GND
> 7 PTT
> 8 GND
> 9 GND
>
> The GM300 cable (and radio) connections are:
>
> Pin #
>
> 2     MIC                                          BLU
> 3     PTT                                           WHI-BLU
> 4     PROGRAMMABLE OUTPUT     BRO
> 5     FLAT TX AUDIO                        GRN
> 7     GROUND                                  WHI-GRN
> 8     PROGRAMMABLE I/O (COR ?)ONG
> 11   RECEIVE AUDIO                       WHI-ONG
> 14   PROGRAMMABLE I/O              WHI-BRO
> 15-16  Jumpered to enable internal speaker
>
> _______________________________________________
> App_rpt-users mailing list
> App_rpt-users at ohnosec.org
> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
>
> To unsubscribe from this list please visit
> http://ohnosec.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.keekles.org/pipermail/app_rpt-users/attachments/20150620/ef164852/attachment.html>