On 1/19/2014 1:50 PM, Stan Gibbs, KR7C wrote:
The KX3 schematic shows the following:
RxD = tip
TxD = ring
GND = sleeve
My computers have serial ports, but the cable from Elecraft was USB. I
made myself a serial cable for my KAT500 from a hi-fi cable with a 3.5mm
TRS plug on one end, split out to a pair of RCA plugs on the other. I
cut off the RCAs and soldered the cable to a DB9 connector. Works fine.
I got the pin-out from the KAT500 manual. I suspect it's the same as for
the KX3.
73, Jim K9YC
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