From owner-freebsd-hardware@FreeBSD.ORG Thu May 15 13:58:34 2008 Return-Path: Delivered-To: freebsd-hardware@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 35E21106566B for ; Thu, 15 May 2008 13:58:34 +0000 (UTC) (envelope-from aryeh.friedman@gmail.com) Received: from mta1.srv.hcvlny.cv.net (mta1.srv.hcvlny.cv.net [167.206.4.196]) by mx1.freebsd.org (Postfix) with ESMTP id 0A0728FC16 for ; Thu, 15 May 2008 13:58:33 +0000 (UTC) (envelope-from aryeh.friedman@gmail.com) Received: from ool-435559b8.dyn.optonline.net (ool-435559b8.dyn.optonline.net [67.85.89.184]) by mta1.srv.hcvlny.cv.net (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) with ESMTP id <0K0W00FT9XHAPJ40@mta1.srv.hcvlny.cv.net> for freebsd-hardware@freebsd.org; Thu, 15 May 2008 09:58:23 -0400 (EDT) Received: from ool-435559b8.dyn.optonline.net (localhost [127.0.0.1]) by ool-435559b8.dyn.optonline.net (8.14.2/8.14.2) with ESMTP id m4FDwMrD085360; Thu, 15 May 2008 09:58:22 -0400 Date: Thu, 15 May 2008 09:58:17 -0400 From: "Aryeh M. Friedman" In-reply-to: <2403.1210859601@critter.freebsd.dk> To: Poul-Henning Kamp Message-id: <482C4179.3010006@gmail.com> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1; format=flowed Content-transfer-encoding: 7BIT X-Enigmail-Version: 0.95.6 References: <2403.1210859601@critter.freebsd.dk> User-Agent: Thunderbird 2.0.0.14 (X11/20080513) Cc: freebsd-hardware@freebsd.org Subject: Re: software null modems X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 May 2008 13:58:34 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Poul-Henning Kamp wrote: | In message <482C3875.1050509@gmail.com>, "Aryeh M. Friedman" writes: |> -----BEGIN PGP SIGNED MESSAGE----- |> Hash: SHA1 |> |> I need a null modem and all I can find is straight through db25 cables |> and I want to avoid the paper clip trick if I can. So is there any way |> to create a null modem in software only? | | Man 4 nmdm | Perhaps I am just dense but it seems the nmdm creates the null modem completely in software and thus can not be used across a real cable. What I mean is it seems to serve only as a way to test console i/o via a simulated null modem. What I am doing is I have a old sun sparc station 20 but no monitor and the manual says it can be configured via a null modem which implies I need a null modem between my PC and it and nmdm seems to be 100% virtual thus useless. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkgsQXgACgkQk8GFzCrQm4BAIgCcCPyMUZZnh9KQpkOMN5SmChZe KH8AniZCFjpbHdQhtGUZFfej/vuqAzVj =HR0b -----END PGP SIGNATURE-----