On 4/1/2016 10:33 AM, andy pugh wrote: > On 1 April 2016 at 16:22, Gene Heskett <ghesk...@wdtv.com> wrote: >>> http://www.rapidonline.com/cables-connectors/belden-9841-data-cable-for-rs-485-51-6887 >> Twisted pair is a transmission line and subject to all the vagaries of >> load matching and such. >> >> That cables impedance is not listed there, > Yes it is. 120 Ohms. > It is also specifically described as RS-485 cable. > > But I also noticed that Van Damme list their DMX cable as suitable for > RS-485 and that that is available from eBay at fairly low cost, so > ordered some in on a "just in case" basis. > It is also a pretty purple colour.
Unless you are running at 60+ Kbaud and up and long distances you likely won't need anything but twisted pair cabling. Ethernet cable will work fine. Dave ------------------------------------------------------------------------------ Transform Data into Opportunity. Accelerate data analysis in your applications with Intel Data Analytics Acceleration Library. Click to learn more. http://pubads.g.doubleclick.net/gampad/clk?id=278785471&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
