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From: jason@hpcnoe.UUCP (Jason Zions)
Newsgroups: net.unix-wizards
Subject: Re: Arcane modem configuration (was Re: Modems on Ultrix)
Message-ID: <830001@hpcnoe.UUCP>
Date: Mon, 25-Aug-86 11:31:50 EDT
Article-I.D.: hpcnoe.830001
Posted: Mon Aug 25 11:31:50 1986
Date-Received: Fri, 29-Aug-86 05:35:26 EDT
References: <3030@umcp-cs.UUCP>
Organization: HP Colorado Networks Division
Lines: 22

One more nit. NEVER connect pin 1 to pin 1 if the DCE and DTE are plugged into
(i.e. get power from) different circuits. One little short and you have the
potential for a ground loop that'll known the socks off your equipment.

Connect pin 1 at one end, run it the length of the cable, but don't connect
it at the other. Adopt a convention (i.e. always run from the DTE side, or
always run from the DCE side; don't confuse yourself).

Even if both ends are on the same leg of the same circuit, I wouldn't recommend
connecting pin 1; 4 months later you'll need to move the modem, or some idiot
in Facilities will reqire your modem room, or....

You can have your security; I'll keep my safety.
--
This is not an official statement of Hewlett-Packard Corp., and does not 
necessarily reflect the views of HP. It is provided completely without warranty
of any kind. Lawyers take 3d10 damage and roll a saving throw vs. ego attack.

Jason Zions				Hewlett-Packard
Colorado Networks Division		3404 E. Harmony Road
Mail Stop 102				Ft. Collins, CO  80525
{ihnp4,seismo,hplabs,gatech}!hpfcdc!hpcnoe!jason  or  jason@hpcnoe.fc.hp.com