MotoTrbo Interfacing

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rcschris
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Joined: Tue Feb 08, 2011 1:44 pm

MotoTrbo Interfacing

Post by rcschris »

I need to activate three relays (to be used for various functions) from my XPR 6550 radios. I believe this can be done with the telemetry adapter cable, but I also need external PTT, mic audio and receive audio at the same time (speaker mic functions).
I purchased a PMKN4071A Non-PC Adapter Cable and got the speaker mic functions working but not the telemetry.
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