They work well with regular 232 port, so I assume that is what they are. Don't know the exact voltage swing, probably could work fine with quite a bit less than +/-12V, but real 232, not TTL.
Jim K0XU Sent from my Xoom tablet On Nov 9, 2012 2:38 AM, "Jon K Hellan" <[email protected]> wrote: > Electrically, are the "real" RS-232 (+/- 12V) or TTL level (0 / 5 V)? > > Jon LA4RT > > On 11/09/2012 01:25 AM, Don Wilhelm wrote: > > Eric, > > > > All those you mentioned use the 3.5mm stereo connection containing TXD, > > RXD and Signal Ground. Al; those devices can share the same cable. > > > > The K2 needs a special cable with a DE-9 connector that has only TXD, > > RXD and Signal Ground. Do not use a standard serial cable with the K2, > > damage to the K2 can result. Note that the K2 DE-9 connector is labeled > > AUX I/O rather than RS-232 - there are unique K2 internal signals in > > that connector as well as the 2 RS-232 lines. > > > > The K3 has a DE-9 connector and is labeled RS-232, so you can use a > > standard serial cable with the K3. > > > > I think that covers most cases of the Elecraft gear and the RS-232 > > connections. > > > > 73, > > Don W3FPR > > > > > > On 11/8/2012 5:33 PM, eric norris wrote: > >> Before making up more cables, does anyone know what the compatibility > is of various Elecraft RS-232 cables? In other words, can I use the same > cable with my W1, W2, XG-3, and KX3? These would be cables with a 3.5mm > stereo plug on one end and a DB-9 on the other. If not all are compatible, > which ones can be shared? > >> > >> Thanks, > >> > >> > > > > ______________________________________________________________ > > 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 > ______________________________________________________________ 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
