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MCS2000 DTMF Mic. on CDM ?
Posted: Thu Aug 21, 2014 7:04 am
by RadioSouth
Anyone know if the MCS2000 DTMF mic. (NMN6210D, nice mic looks similar to a Jedi spkr mic) will work with the CDM radios ?
Re: MCS2000 DTMF Mic. on CDM ?
Posted: Thu Aug 21, 2014 8:48 am
by N4KVE
Don't CDM radios use 10 pin mikes, while the MCS radios use 8 pin mikes. GARY
Re: MCS2000 DTMF Mic. on CDM ?
Posted: Thu Aug 21, 2014 11:09 am
by escomm
Not sure about the MCS compatibility but you can use 8 pin mics on the CDM. The outer 2 pins are for the handset.
Re: MCS2000 DTMF Mic. on CDM ?
Posted: Thu Aug 21, 2014 12:09 pm
by RFguy
The outer 2 pins are data pins. I believe they are used for the Keypad mic (Note, they don't call it a DTMF mic as the DTMF is generated within the radio, and the keypad is used for other functions)
Service manual shows the outer 2 pins as EXT_KP_ROW and EXT_KP_COL
Re: MCS2000 DTMF Mic. on CDM ?
Posted: Fri Aug 22, 2014 7:07 am
by RadioSouth
Thanks, so it sounds like the mic. 'might' work but the DTMF part is incompabitible. Too bad, nice looking mic.
Re: MCS2000 DTMF Mic. on CDM ?
Posted: Sat Aug 23, 2014 3:53 pm
by jackhackett
Is that a speaker mic?
On the MCS mic jack pin 2 is listed as SPKR- while on the CDM it's +5V, that could be a problem.