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MacDonald Interface

Subject: MacDonald Interface
From: "Josepi" <J.R.M.@xxxxxxxxxxxxxxx>
Date: Fri, 1 Apr 2011 22:48:50 -0400
Newsgroups: alt.home.automation

Does anybody have experience with an old  serial standard "MacDonald"
Interface on their equipment?


The bidirectional serial interface industry standard it was defined by a
company named "Electrical Industry International" .


<see below>


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Users affectionately nicknamed it "E.I.E I/O" thus the name "Old MacDonald
Interface"

Happy April Fools !

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