The navigator provides an RS-232 port for the K3 and an additional RS-232 port that can control whatever you want. I use mine for rotor control but it can be used for the SteppIR controller. No Y cable needed.
Jorge On Feb 24, 2012, at 9:12 PM, Don Wilhelm <[email protected]> wrote: > Jim, > > Look at the navigator for this purpose as a USB to RS-232 converter. > So, you have the USB cable from the computer to the Navigator (I trust > you have loaded the applicable drivers). That enables the RS-232 port > on the Navigator to be connected to the K3 - use the 'Y' connector that > you got with your SteppIR at the K3, and connect the cable to the > Navigator to one side of the Y and the SteppIR controller to the other > side of the Y. Mechanical stuff is complete, all the rest is software > applications - it should work. > > Note, the other part of the Navigator provides an external soundcard > function - that has nothing to do with the Navigator USB to RS-232 > conversion - keep the two separate in your mind. > > 73, > Don W3FPR > > On 2/24/2012 8:01 PM, James Meade wrote: >> The K3 is connected to the Navigator and the KPA500 via the ACC port >> which is a 15 pin D. KPA500 RS232 port is unused. This is per the >> KPA500 Owners manual. K3 is connected to PC via the RS232 port. This >> leaves no place to plug in the SteppIRR, which has 9 pin D plugs. I'm >> still confused. >> >> Jim NO0B >> >> On Fri, 24 Feb 2012 16:19:06 -0600, Don Wilhelm <[email protected]> >> wrote: >> >>> Jim, >>> >>> Remove the RS-232 cable to the KPA500 - it needs to be on a port that >>> is different (or not connected at the same time) from that used by >>> the K3. The KPA500 port is only used for firmware updates. >>> >>> In fact, since the KPA500 and the K3 both contain RS-232 drivers, >>> they will get confused and not work properly if connected together. >>> RS-232 is point to point only, no daisy chaining. >>> >>> Plug the SteppIR cable into the Y that connects to the K3. The >>> SteppIR has only receivers and just listens on the conversation >>> between the computer Navigator) and the K3 - that is OK since no >>> drivers are involved. >>> >> >> > ______________________________________________________________ > 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 ______________________________________________________________ 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

