[Elecraft] K3S USB RS232 P3 Conundrum

[Eric Swartz - WA6HHQ, Elecraft]

RS232 DB9 "Y" off of the computer side of the P3. Make sure you are only 
listening and not hooked up to send data to the P3/K3 via this path.

We basically take the USB comm data between the K3 and the computer and then 
echo it out the RJ45 CBLP3Y connector to the computer input DB9 on the P3. The 
other connector on that cable returns the P3 data to the K3, along with the 
computer data.

Eric
/elecraft.com/

On 11/24/2015 4:38 PM, tom at k5rc.com wrote:
> Just put my first K3S on line, replacing a K3. For the moment, I am using
> the E980297 cable to go to the P3 and then the P3 to the computer.
> I also have a Y at the computer with a cable going to the CAT input to the
> Acom 2000A amplifier. Acom says they get serial data from pins 1 and 5, but
> the logging program is what talks to the Acom. I have not figured out the
> ramifications of this, but I am temporarily not using the K3CAT feature with
> the Acom as it has not been reliable.
>   
> So, If I wanted to use the USB interface to take advantage of the sound
> board options, I could use the CBLP3Y for the P3. But how can I communicate
> with the Acom?
> Gotta figure this out before I have three K3S talking to three Acom 2000A's
> and three P3's!
>   
> Tom Taormina, K5RC
> Comstock Memorial Station, W7RN
> Storey County ARES, KS7AA
> www.w7rn.com <http://www.w7rn.com>
>   
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