The K3 can use a standard serial cable, the the K2 *cannot*. The only
connections for the K2 from the computer is pins 2, 3 and 5 in the cable
- those are TXD, RXD and Signal Ground.
All other pins in the K2 AUX IO connector (note that it is *not* an
RS-232 connector and is not labeled as such) are internal K2 signals to
operate external Elecraft devices such as the KAT100, XV transverters
and the KRC2.
The use of a standard PC serial cable between the K2 and the computer
can damage both the K2 and the computer serial port.
If you have no special computer connection cable with your K2, then
build the cable described in the KIO2 or KPA100 manual or if you have
the KAT100, build the cable shown in that manual.
N1MM fully supports the K2 unless something has changed quite recently.
73,
Don W3FPR
On 7/7/2016 7:31 PM, Nr4c wrote:
In wondering if the same serial cable dorks withe both radios. I thought the K2
cable was different.
Sent from my iPhone
...nr4c. bill
On Jul 7, 2016, at 6:38 PM, PHILIP GRAITCER <[email protected]> wrote:
I got the K2 out for Field Day and it performed great! I’d never used the K2
with a computer, so I hooked it up and set up N1MM for the contest.
I was unable to get the function keys to operate and N1MM was a little
unstable, sometimes locking up. I was able to log contacts, but couldn’t send
code. This isn’t the case when I use the same setup with my K3.
I’m thinking that there are incompatibilities between the K2 and N1MM, probably
due to the age of the K2. But I am not very capable with computers.
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