[Elecraft] Pinout for KAT500 1/8th inch serial "PC Data" plug/socket

[Luis Romero]

Thank you all for your input, I now have the information I need to build a cable to connect the tuner to a serial device server.

Luis Romero - W4LT

On Jul 8 2025, at 2:51 pm, Lu Romero (mobile) <lromero56 at tampabay.rr.com> wrote:
> All:
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> Anyone here know the serial port pinout of the 1/8 inch "stereo" plug and socket on the KAT500 rear panel? Im looking to remotecontrol the tuner using a serial device server. The device server has a DB9 socket, so I need to make a DB9 to 1/8 inch plug cable to control the tuner remotely.
> I looked in the manual, however, I cant find a pin out of the plug there.
> Would be nice to have the signal designations as well for the TRS plug so as to make up the cable correctly.
> Luis Romero - W4LT
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