[Elecraft] [K3] K3 USB, Serial Drivers, and HRD Connection

[David Fleming]

Actually the Keyspan adapters do not attach directly to the K3. They require a 9-pin m/f serial cable to run from the Keyspan device to the K3. I've found the Keyspan devices (and drivers) to be the best solution for OS X. I've also had good success with the FTDI adapters. I believe the higher reliability of these adapters is directed related to the quality of the drivers rather than the hardware itself.
 
David, W4SMT

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Julian, G4ILO wrote:
 
I'll second that. Also a lot of folks here have recommended "Keyspan"
adapters. The advantage, I'm told, is that it has the screws to fix on the
back of the K3. Other adapters have nuts, because they are designed to have
a cable plugged in to them.