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XG-25P UDC to hirose adapter keyload help

T

tylerfrog

Newbie
Joined
Mar 12, 2023
Messages
1
Hello friends,

For context, I have had great success keyloading the XG-100P series using KFD Shield + Arduino Uno R3+ 3.5mm audio to Hirose adapter + KFD Tool's "AC109" adapter.

Now, I'm trying to home brew an adapter to connect my XG-25P's universal device connector to hirose (or 3.5mm audio jack) for the same keyloading process. KFD Tool doesn't make one, and existing market adaptors don't apply a resistor across the correct pin to tell the radio it's time to keyload.

I'm assuming that the pinout is the same as the XG-75P (attached), and I can see where the ground, sense, and data pins are on the UDC. My question is, which pin should get the resistor- ground, sense, or data? (I suspect it is the "sense"). How much resistance should I have? Other threads for the XG-100P hint at 20k, I don't know if this is standardized across the Harris ecosystem.

I could also use the OEM programming cable somehow, but I would have to adapt it from serial DB9/RS232 to 3.5mm audio jack / hirose (or just feed the wires into the euroblock) for the KFD Shield. I don't have a good understanding of that pinout either.

Thanks everyone and be well!
 

Attachments

  • XG75P UDC pin out.jpg
    XG75P UDC pin out.jpg
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J

JustHereForXTS5k

Newbie
Premium Subscriber
Joined
Dec 8, 2022
Messages
3
Location
Georgia
You can keyload aes/des keys through KeyAdmin if you have the programming cable, that's what I do for my 100p
 
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