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PMKN4147 Cable Pinout

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Forts
Posts: 91
Joined: Fri Jun 25, 2004 7:28 am

PMKN4147 Cable Pinout

Postby Forts » Thu Mar 26, 2015 4:39 pm

Does anyone happen to have/know the pinout for the PMKN4147 cable (for XPR2500 etc). It appears to just be a straight thru cable, and it pains me to drop $25 on something I can make here in 4 minutes. I've already made a rear cable, but for the radio that's mounted in my Jeep it's a pain in the butt to get to (plus I have ignition sense plugged into it as well).

Thanks!!

Will
Posts: 6823
Joined: Tue Sep 04, 2001 4:00 pm

Re: PMKN4147 Cable Pinout

Postby Will » Tue Mar 31, 2015 12:22 pm

Add the 'programming' leads to your existing connector and another jack for your programming cable.

RFguy
Posts: 1294
Joined: Wed Dec 21, 2005 6:17 am

Re: PMKN4147 Cable Pinout

Postby RFguy » Tue Mar 31, 2015 1:10 pm

Not sure if it is straight through. There are 3 wires and a shield on the 10 pin RJ 10 pin plug. I don't see continuity on one of the wires, so there may something in line. It's USB B+, so may not be needed.

RJ pin 1 to USB pin 3
RJ pin 6 to USB pin 4 and USB shell
RJpin 7 to USB??
RJ pin 10 to USB pin 2

This is how I counted the USB plug pins:
Image

This is how I counted the RJ plug pins (except it's a 10-pin)
Image

Forts
Posts: 91
Joined: Fri Jun 25, 2004 7:28 am

Re: PMKN4147 Cable Pinout

Postby Forts » Wed Apr 01, 2015 10:14 am

Thanks very much for sharing that! I'll take a look, see if I can make something work, and report back.

Forts
Posts: 91
Joined: Fri Jun 25, 2004 7:28 am

Re: PMKN4147 Cable Pinout

Postby Forts » Wed Apr 01, 2015 10:17 am

Will wrote:Add the 'programming' leads to your existing connector and another jack for your programming cable.


I've considered doing this, but it would be more convenient to just have a front programming cable (I have 3 XPR-2500s that I can use it on). I may very well end up going this route though.

Will
Posts: 6823
Joined: Tue Sep 04, 2001 4:00 pm

Re: PMKN4147 Cable Pinout

Postby Will » Wed Apr 01, 2015 12:26 pm

Remember that Motorola numbered the RJ mic jacks backwards from the US RJ45, ect, standard. So does Kenwood.

RFguy
Posts: 1294
Joined: Wed Dec 21, 2005 6:17 am

Re: PMKN4147 Cable Pinout

Postby RFguy » Wed Apr 01, 2015 4:22 pm

Will wrote:Remember that Motorola numbered the RJ mic jacks backwards from the US RJ45, ect, standard. So does Kenwood.


Thanks Will.

I used the standard convention when counting the RJ plug, but if someone were referencing the XPR2500 or CM200/300d manual (which doesn't seem to exist), it would be confusing.


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