Wouter van Ooijen ha scritto: >> Now I just wanted to place one question: I know about terminators, >> physical need of proper topology, and all. But I face customers and >> coworkers stating "concurrent firm do sell devices which can go >> anywhere, with no topology constraints, no terminators..." and alike. > > The shops are full of LED flashlights without any current limiting. Just > as 'bad money drives out good money' it seems that 'bad (cheap) > engineering drives out good (more expensive enigneering)'. I get the point Wouter :) we're talking about big italian firms (bTicino, etc) so... Well, one thing is true: they're not selling many of their "domotic" devices, after years... >> My common answer has been "if the speed is low and protocol is robust, >> you can do that with star topology, poor cables, stubs... whatever." > > probably, except on full moon with certain species of fish around. :) indeed But if you have real cases stories, let me know. >> Am I correct? Can anyone suggest a different reply? :) (or a different >> set of physical laws..) > > walk out? loL :) thanks Wouter -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist