linux-kernel - Re: NIC as RS232

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Message-ID: <Pine.LNX.4.64.0801090926590.1377@anakin>
Date:	Wed, 9 Jan 2008 09:29:41 +0100 (CET)
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Valdis.Kletnieks@...edu
cc:	Thanasis <thanasis@...r.hopto.org>, linux-kernel@...r.kernel.org
Subject: Re: NIC as RS232

On Tue, 8 Jan 2008, Valdis.Kletnieks@...edu wrote:
> On Tue, 08 Jan 2008 08:48:35 +0200, Thanasis said:
> > Is there a kernel driver that would make a NIC's port work as a RS232
> > port, using the serial cables that are RJ45 on one side and DB9 or DB25
> > on the other? Maybe null modem cables of that type ? Or for example
> > those used by cisco as console port cables?
> > 
> > (or may be I'm dreaming ;-)
> 
> What I *have* seen are connectors that go from DB9/25 to RJ11, not RJ45.
> Basically, using the RJ11 to terminate a 4-conductor cable wired up for
> serial use.  It's often hard to tell an 11 from a 45 unless you look at
> it *real* close....

We have plenty of DB9-to-RJ45 at work. Very useful when abusing the
Ethernet cabling in the wall for serial connections (also used for
phone).

Maybe surprisingly to you, I haven't seen the RJ11 variant ;-)

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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