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Path: utzoo!linus!decvax!decwrl!sun!wmb
From: wmb@sun.UUCP (Mitch Bradley)
Newsgroups: net.micro
Subject: Re: Rs-449, -422 -423
Message-ID: <329@sun.UUCP>
Date: Wed, 26-Oct-83 19:24:18 EDT
Article-I.D.: sun.329
Posted: Wed Oct 26 19:24:18 1983
Date-Received: Thu, 27-Oct-83 06:50:22 EDT
References: sri-arpa.12721
Lines: 5

At reduced speeds (up to 3000 baud), RS-423 (unbalanced) can
be used at distances up to 2000 fett, and RS-422 (balanced) can
be used at 100 Kbaud at 400 feet.  For a good summary article,
look on page 10-33 of the 1983 AMD Bipolar Microprocessor Logic
and Interface data book.