I googled "stepper y cable" and found these. Maybe the other "hits" will be of use as well.
http://www.steppir.com/wp-content/uploads/2011/10/Y-Cable.pdf http://www.steppir.com/wp-content/uploads/2011/10/Transceiver-Interface-Operation-5-28-09.pdf Have fun! 73 de Dick, K6KR -----Original Message----- From: Elecraft [mailto:[email protected]] On Behalf Of Jean-François Ménard Sent: Wednesday, December 14, 2016 11:57 To: [email protected] Subject: [Elecraft] SteppIR controller with K3S+P3 Hi everyone! I am a happy new owner of a brand new K3S and a P3, and everything is working quite well. Now, I would like to connect my SteppIR SDA-100 antenna controller to the K3S. I would like to be able to not use the computer to control the antenna controller. Any suggestion from a few hams with similar setup as mine on how to use the SDA-100 without the needs of a computer? My guess is I should do a Y cable between the connector labeled PC behind the P3 by using only the PIN 2 and 5 then thru the SDA-100 ??? 73 de Jeff | VA2SS __________________________________________ Jeff | VA2SS Jean-François Ménard [email protected] <mailto:[email protected]> www.VA2SS.com <http://www.va2ss.com/> Message envoyé à partir de mon appareil mobile. Message sent from my portable device. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

