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, [email protected] 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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