From owner-freebsd-questions  Wed Aug  9 07:19:43 1995
Return-Path: questions-owner
Received: (from majordom@localhost)
          by freefall.FreeBSD.org (8.6.11/8.6.6) id HAA13962
          for questions-outgoing; Wed, 9 Aug 1995 07:19:43 -0700
Received: from elf.kendall.mdcc.edu (elf.kendall.mdcc.edu [147.70.150.122])
          by freefall.FreeBSD.org (8.6.11/8.6.6) with ESMTP id HAA13953
          for <questions@freefall.freebsd.org>; Wed, 9 Aug 1995 07:19:38 -0700
Received: (from freelist@localhost) by elf.kendall.mdcc.edu (8.6.11/8.6.9) id KAA01236; Wed, 9 Aug 1995 10:10:44 -0400
Date: Wed, 9 Aug 1995 10:10:41 -0400 (EDT)
From: "Don's FList drop" <freelist@elf.kendall.mdcc.edu>
To: Bill Fenner <fenner@parc.xerox.com>
cc: rhh@ct.picker.com, questions@freefall.freebsd.org
Subject: Re: (?) RJ45 Crossover Cable Question (Pin numbering) 
In-Reply-To: <95Aug7.175159pdt.177475@crevenia.parc.xerox.com>
Message-ID: <Pine.BSF.3.91.950809100914.1230A-100000@elf.kendall.mdcc.edu>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: questions-owner@FreeBSD.org
Precedence: bulk


On Mon, 7 Aug 1995, Bill Fenner wrote:

> >   If you make 3-4 a twisted pair, and 5-6 the other twisted pair, your
> >   cable may work for lengths less than a metre, but will fail miserably
> >   for longer lengths.
> 
> A meter is a bit conservative; I have used incorrectly-paired 10baseT cables 
> up to about 80 feet and haven't had a problem (nobody knew they were incorrect 
> until I watched the guy put one together...)

Yeh, I thought so too, but I didn't write the FAQ. ) I've had bad cables 
work fine with no noticable problems. Never bothered to do a retry count 
on one, though. <shrug> There's no real reason to do them wrong anyways, 
so if this frightens a few people into being more conservative than then 
might have been, I regard it as a Good Thing.

Don