I've seen lots about '485 stuff around her lately.  One recent posting
almost made it sound as though there are driver / interface chips for this
interface.  The same post made it sound that '485 is strictly a physical
spec, and leaves software protocol undefined.

Is this correct?  Does anyone have any WWW links that I might do more
research?

Thanks,
Mitch


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Mitch Miller
mdmiller@nque.com
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