From owner-freebsd-hackers Mon Aug 11 10:02:04 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id KAA16208 for hackers-outgoing; Mon, 11 Aug 1997 10:02:04 -0700 (PDT) Received: from gatekeeper.itribe.net (gatekeeper.itribe.net [209.49.144.254]) by hub.freebsd.org (8.8.5/8.8.5) with SMTP id KAA16203 for ; Mon, 11 Aug 1997 10:01:57 -0700 (PDT) Message-Id: <199708111702.NAA17138@gatekeeper.itribe.net> Received: forwarded by SMTP 1.5.2. Date: Mon, 11 Aug 1997 13:03:08 -0400 (EDT) From: Jamie Bowden To: Christoph Kukulies cc: freebsd-hackers@freefall.freebsd.org Subject: Re: 100Mbps wiring tip sought In-Reply-To: <199708111540.RAA22823@gil.physik.rwth-aachen.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Crosoover cables are built like so: 1 -- 3 2 -- 6 3 -- 1 4 -- 4 5 -- 5 6 -- 2 7 -- 7 8 -- 8 On Mon, 11 Aug 1997, Christoph Kukulies wrote: > I bought two Inter Etherexpress PRO 100 for getting started with > Fast Ethernet. > > I want to connect two machines via some kind of 'null-modem' > cable (which I'd have to crimp first). From my understanding > the pinning would be (looking into the connector outlet at the > rear of the card: > ,______, > ,_| |_, > ____| |____ > | | > | | > | 8 7 6 5 4 3 2 1 | > | | | | | | | | | | > ____________________ > > > 1 - Rx + > 2 - Rx - > 3 - Tx + > 6 - Tx - > > > > Could someone confirm that using the following cabling is correct: > > (BELDEN 1868 FTP FLEX) > > Rx + <--------> Tx - > Rx - <--------> Tx + > > Tx + <--------> Rx - > Tx - <--------> Rx + > > (Or would + go to + ?) > > > > -- > Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de > Jamie Bowden System Administrator, iTRiBE.net