For me at my remote, it is only 100ft, so I am using RS232 for the rotator and the steppir.
For a big ski race in Kitzbuhel Austria, we pushed RS485 (1/2 duplex) 6000m at 19200 without an issue. Mike va3mw On Thu, Jan 21, 2016 at 3:25 PM, Clay Autery <[email protected]> wrote: > This one is rated to 1250 meters... with CAT-3 cable (TELCO). Use > better cable and proper terminations and you MIGHT be able to extend > that a bit. Add an inline amp/repeater, and the distance could be > extended to... well... a long way... > > How far you need to go? > > 73, > > ______________________ > Clay Autery > > On 1/21/2016 12:44 PM, Jim Brown wrote: > > On Thu,1/21/2016 10:32 AM, Michael Walker wrote: > >> I wanted to mention that for those that want long RS232 runs for devices > >> (Steppir, Rotator, Elecraft Amp), > > > > It helps to define "long." Distance for RS232 was originally defined > > in feet. Many years ago, it was redefined in terms of capacitance > > between conductors. Using cables as common as CAT5, lengths of 200 ft > > or more are no problem. Simply use one pair per signalling circuit. > > > > 73, Jim K9YC > > ______________________________________________________________ > 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]
