There is a 3.5mm stereo jack on the back of the KAT500 labeled 'PC
Data'. You need an Elecraft KXUSB cable, which is the same USB to
serial cable used on the KX2, to talk to the KAT500 from your PC.
Unlink the KUSB, which has a USB A connector on one end, and a 9-pin
serial connector on the other, the KXUSB has a USB A connector on one
end, and a 3.5mm stereo plug on the other, so there are only 3
connections - GND, RX, and TX.
Hope that helps,
-- Dave, N8SBE
On 2024-03-10 13:33, Mike Dodd wrote:
Elecraft is taking a l_o_n_g time to repair the USB port on my K4d, so
I bought a used K3 (non-s) as a backup rig. It works fine, and
interfaces correctly with my KPA500 and KAT500. (The KAT is already
configured for all frequency steps on all bands, and I can hear the KAT
relays click when I change bands.)
But the KAT Utility doesn't connect to the KAT.
I'm using the same Computer interface cable plugged into the same USB
port on the PC. Windows Device manager says it's working.
With a K4, does the KAT communicate with the PC via the K4's USB
connection, which he K3 doesn't have?
What am I missing?
73, Mike N4CF
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