[Elecraft] KRC2 rs232 to cpu not working

[Byron Servies]

Hi Gordon,

I recently, and finally, got to the point where I needed to set up
band maps in my KRC2. I also use PCIe serial cards and Windows 10 and
the problem I had was the cable. Once I built a cable using exactly
the pinouts in the KRC2 manual (instead of cables I had laying
around), it worked fine, as did the firmware update.

Sorry I cannot be of more help, but that is what worked for me.

73, Byron N6NUL

On Thu, Oct 22, 2015 at 5:38 AM, Gordon LaPoint
<gordon.lapoint at gmail.com> wrote:
> Jack, and others that have sent advice
>
>     I have the latest manual from the Elecraft website.  I have only
> followed the manual as far as testing the unit from the buttons on the unit,
> which works fine, and using the rs232 to computer using the latest Elecraft
> software to try to check/set the band map.  That I have not got working yet.
> The software never finds the KRC2 on the serial port.  I tried two
> computers, one using win7 the other using win10.  Both computers have pciE
> serial cards, NOT usb to serial.   Both computers talk to my K3 and KPA500
> just fine.
> I will try to work on it again this weekend and see what else I can come up
> with.
>     I have double and triple checked the jumpers for proper setup for rs232
> setup, tried changing the baud rate, using all three. the KRC2 software can
> not see the unit.  I can check the serial lines with a scope to see if the
> signals are geting to the pic chip, but that will have to wait until the
> weekend.
>   Thanks for the help,
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