Date: Thu, 29 Jun 2000 00:59:54 -0500 From: "Shawn Barnhart" <swb@grasslake.net> To: <freebsd-hardware@FreeBSD.ORG>, "steinyv" <steinyv@skyweb.net> Subject: Re: RJ45 Message-ID: <005801bfe18f$3f805090$0102a8c0@k6> References: <4.2.0.58.20000628165443.009ef180@>
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----- Original Message ----- From: "steinyv" <steinyv@skyweb.net> | I want to make my own cables. Does anyone know of a site that describes | the pin out of the connector, and what wires to use? I came across one | site, but I need to cross reference so that I could verify the correct | information. Im trying to make a straight through on cat 5 cable. Just to add my $0.02: EIA568A Color codes (1-8): White Green Green White Orange Blue White Blue Orange White Brown Brown EIA568B Color codes (1-8): White Orange Orange White Green Blue White Blue Green White Brown Brown Bandwidth-wasting trivia questions: What purpose does the thousands (millions?) of miles of basically unused copper connecting pins 4, 5, 7 & 8 in CAT-5 cables throughout the world serve? Does it provide extra mojo for the signal? IEEE has stock options in the copper mining industry? Overly optimistic gigabit upgrade planning? The Cat-5 standard was the closest thing to carrying a 100Mhz signal on four wires and the others were just part of the cabling spec unrelated to the 100baseT ethernet spec? We actually have some 10m drop cables with "CAT 5" printed on the jacketing but only four wires -- I even sacrificed one to science and found no unused pairs in the jacket -- I've never seen any others, and these carry 100FDX without complaints. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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