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CDM 1250 Accessory Pinout ??

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FFParamedic571
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CDM 1250 Accessory Pinout ??

Postby FFParamedic571 » Wed May 07, 2003 3:11 pm

OK.. Im drawing a blank and I can't find my notes.. I know the ignition sense is pin #10...

What is the external speaker?? 1 and 16...

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Postby AWT » Wed May 07, 2003 3:38 pm

1- Speaker-
2- Ext. Mic
5- Flat TX Audio
7- GND
10- Ignition
11- RX Audio
13- Switched B+
16- Speaker+

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Postby nmfire10 » Wed May 07, 2003 4:14 pm

I need to hook it up on mine too. Which way to those numbers go? Across?
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FFParamedic571
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Postby FFParamedic571 » Wed May 07, 2003 4:19 pm

Got it. Thanks AWT

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Postby AWT » Wed May 07, 2003 4:49 pm

nmfire10, don't ask me why the big M did it this way but here it is.
REAR VIEW
<<<<<PCB SIDE>>>>>>>>
20- 2- 4- 6- 8-10-12-14-16-18
19- 1- 3- 5- 7- 9- 11-13-15-17

Hope that helps

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Postby HumHead » Wed May 07, 2003 5:01 pm

Motorola numbered the connector like that to keep the central 16 pins the same as the rest of their 16 pin accessory plugs. The added outer pins on the CDMs are used for flashing firmware, etc.

For standard accessory connections, you can use a regular 16 pin connector, and just ignore pins 17-20 (just be careful about bending them when inserting the plug :o )

The pinouts and diagrams are all available on the main Batlabs site, although I seem to be unable to reach it at the moment.


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