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NX programming cable wiring diagram for accy jack programming

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Jun 5, 2004
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Arizona
That is a broad ask. There are multi-pin radios and 2 pin radios in the NX line. What model are you working with?
 

ramal121

Lots and lots of watts
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For com 1 on rear accessory connector:

NX800 DB25 - COMPUTER DB9

Pin 2 RXD1 - Pin 3 TXD
Pin 3 TXD1 - Pin 2 RXD
Pin 7 GND - Pin 5 GND

If the com port has been set up for something else then KPG-89 won't access. Default program though does allow access.
Still don't think that will solve your problem.
 

mmckenna

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Jul 27, 2005
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Roaming the Intermountain West
A standard RS-232 cable will work, if your computer has an RS-232 port.

Also, it does NOT bypass the read, write or read/write password.
I just tried it on my NX-900 to confirm.
 
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