Use the parallel interface ("Yaesu") instead of serial. That will
avoid the conflict between serial data at 38,400 bps for K3/P3 and
computer/logger and the fixed 9600 bps of the Expert.
Use an Elecraft "all 15" DB15HD Y connector (E980190) and the
connections in the bottom half of the attached document (sent
directly) from the original SPE Distributor in the USA.
73,
... Joe, W4TV
On 5/10/2016 12:25 AM, Jerry Muller via Elecraft wrote:
> Ok all you great guys.
> I have a K3 which is hooked to my P3 thru the K3 RS-232 port which is
> normal and then from the P-3 to the CPU for logging. I now have a MicroHAM
> Interface III which also wants that RS-232 port. Will a RS 232 Y cable
> work? That is the first question. The second one is that the SPE 1.3KW wants
> to run off of the RS-232 from the P-3 but so does my logging Program. Will
> a RS-232 Y cable fix this issue. I know that the speed of the K-3 port is
> 48,000 baud. How will this effect the 9600 baud rate of the MicroHAM
> interface and the 48,000 baud rate input to the CPU for logging and the SPE
> 1.3KW amp?
>
> Gerald Muller K9GEM
>
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