From: Bob Sanders <rmsand@concentric.net>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] serial console
Date: Sat, 30 Jul 2005 21:10:14 -0700 [thread overview]
Message-ID: <20050730211014.3f777adb@chi.speakeasy.net> (raw)
In-Reply-To: <1122765636.16952.5.camel@desktop>
On Sat, 30 Jul 2005 19:20:36 -0400
"David H. Askew" <dhaskew@earthlink.net> wrote:
> I was looking around and found a Cisco console cable in a box of old
> junk. It has, surprise surprise, RJ-45 on one side, and 9-pin serial on
> the other. Would that work?
>
Maybe, but Cisco is known for having a "special" pinout.
Best bet is to get a build-it-yourself RJ45 to DB9F adaptor - about
US$2.90, and the associated pin pusher - cause you'll mess up a
few times.
you;ll need to figure out which pins are transmit and receive - 2, and 3 on the DB9
side. Also, note that different brands of RJ45 to DB9F connectors have
different color codes for the wires. Typically you'll use 5 of the 8 wires, so best to
create a map on paper. There is supposed to be the Yost standard, but certain
folks do violate it at times - Cisco, Dell, etc. So you need to know the RS232 pinout
of your system.
Here are some pretty decent resources -
http://www.ossmann.com/5-in-1.html
http://yost.com/Computers/RJ45-serial/
Bob
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prev parent reply other threads:[~2005-07-31 4:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-30 23:20 [gentoo-user] serial console David H. Askew
2005-07-31 4:10 ` Bob Sanders [this message]
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