The RS-232 standard goes quite far and also covers signalling etc. Have a look here:
http://en.wikipedia.org/wiki/RS-232 P-T / LA7NO On 15 September 2014 18:11, Lynn W. Taylor, WB6UUT < [email protected]> wrote: > On 9/15/2014 8:42 AM, Dick Dievendorff wrote: > >> My point is that multiple transmitters on an RS-232 link aren't likely to >> work well because the protocol is point to point, and there is no >> "collision >> recovery" protocol. This isn't an Ethernet cable. It's RS-232. Point to >> point, not multipoint. >> > Ethernet is multipoint to multipoint because there are protocols on top of > the electrical specification that allow multiple transmitters, and detect > and deal with corrupt data and collisions. > > RS-232 doesn't have that level of protocol. I don't have the spec. handy, > but I don't think it goes beyond the electrical specification. > > It's possible to put some more elaborate protocol on top of RS-232 and > make it work, but it isn't part of the K3 serial protocol. > > ______________________________________________________________ > 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]
