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Need RS-485 specification

thread240-1804

Need RS-485 specification

Need RS-485 specification

(OP)
I'm trying to find out the limitations of RS-485.  I need to get a hold of the spec or some equivilent source to find out the distance (ie 1000ft.) that a given data rate (ie 1MHz)can travel on a given wire gauge (ie 26awg).

RE: Need RS-485 specification

Check http://www.bb-elec.com. B & B Electronics have RS-422 and RS-485 Application Note that contain alot of information on this subject.

David Baird
dbaird@gemcity.com

EET degree.
Journeyman Electrician.

RE: Need RS-485 specification

Hi everybody...
... I'm looking for a FREE copy of ISO/IEC 7811 standard.
Anyone knows where to download them ?
Thanks 4 all.
A hug.
Gus

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