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APX 1500 Microphone Port

estone4009

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Philpot, KY
I have an APX 1500 that we are trying to pull a connection from the from Microphone Port MMP 10 pin. Here is the pins I am using:
Pin 2 PTT
Pin 3 Speaker
Pin 5 GND
Pin 7 Mic_Hi
Pin 10 is Tied to GND

I have the PTT and mic functioning but I cannot get any audio to pass to to the speaker pin. Is there something else that needs to pinned or setup in programming to pass audio?
 

MTS2000des

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Jul 12, 2008
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Cobb County, GA Stadium Crime Zone
The proper way is to interface using the J2 connector. Everything you need is there.
 

estone4009

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Thanks. I am working on an existing integration where they were using the front MMP. I am going to see if I can switch to the J2 connector and make this feasible it seems.
 
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