Posted by Tomi Engdahl
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on 5/15/2008, 2:25 pm, in reply to "Limitation on cable lengths?"
195.197.151.211
DMX512 standard is based on RS-485.
At the data rate used at DMX512 system (250 kbps) the communications should work well up to distances of 4000ft (a little bit more than one kilometer). So in practical applications few hundred meters of cable should not be of any problem.
Some technical links on RS485
http://www.bb-elec.com/tech_articles/rs422_485_app_note/selecting_cabling.asp
http://www.maxim-ic.com/appnotes.cfm/an_pk/3884
http://www.bb-elec.com/tech_articles/cable_selection.asp
http://www.arcelect.com/RS485_info_Tutorial.htm
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