[Motorola] DTMF Mic Rewire ?

[Eric Lemmon]

Gary,

The CDM DTMF mike has separate row and column outputs, on pins 9 and 10,
that are decoded in the control panel CPU which then generates the tones
and controls the LEDs.  The Radius DTMF mike generates tones in the mike
itself.  The mikes are completely incompatible.  Call Motorola Parts ID
to find out what DTMF mikes are currently available for Radius mobile
radios.

73, Eric Lemmon WB6FLY

Gary Schelske wrote:
> 
> I never recieved a response last post ? Maybe it is not possible ? Any Ideas
> if it can be done or source of any Motorola Back lit DTMF mics ?
> Gary
> 
> Hi I have a couple of CDM DTMF Mics  Model #AARMN4026B that I would like to
> use on a Motorola Radius Radio. It Seems The Radius model HMN3175a HAS BEEN
> DISCONTINUED.  PPT and Voice work but TTP doesn't work and no Led. Can I
> rewire to get to work ?
> Gary
> 
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