Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site wdl1.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxt!houxm!vax135!cornell!uw-beaver!tektronix!hplabs!hpda!fortune!wdl1!jbn From: jbn@wdl1.UUCP Newsgroups: net.dcom Subject: Re: Re: lightning, PACXs and computers ( Message-ID: <642@wdl1.UUCP> Date: Thu, 22-Aug-85 20:19:42 EDT Article-I.D.: wdl1.642 Posted: Thu Aug 22 20:19:42 1985 Date-Received: Sun, 25-Aug-85 13:12:24 EDT Sender: notes@wdl1.UUCP Organization: Ford Aerospace, Western Development Laboratories Lines: 8 Nf-ID: #R:umcp-cs:-124200:wdl1:11700019:000:268 Nf-From: wdl1!jbn Aug 19 11:44:00 1985 The idea is that your grounding system must be loop-free. This is often difficult to achieve without such annoyances as breaking the ground line at one end of a cable. Another reason that differential signalling (a la RS-449) is a Good Thing. John Nagle