From owner-freebsd-questions@FreeBSD.ORG  Fri Apr  3 19:25:05 2009
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 5FB3C1065673
	for <freebsd-questions@freebsd.org>;
	Fri,  3 Apr 2009 19:25:05 +0000 (UTC)
	(envelope-from dkelly@Grumpy.DynDNS.org)
Received: from smtp.knology.net (smtp.knology.net [24.214.63.101])
	by mx1.freebsd.org (Postfix) with ESMTP id DDFE28FC16
	for <freebsd-questions@freebsd.org>;
	Fri,  3 Apr 2009 19:25:04 +0000 (UTC)
	(envelope-from dkelly@Grumpy.DynDNS.org)
Received: (qmail 13680 invoked by uid 0); 3 Apr 2009 19:25:03 -0000
Received: from unknown (HELO Grumpy.DynDNS.org) (75.76.211.79)
	by smtp1.knology.net with SMTP; 3 Apr 2009 19:25:03 -0000
Received: by Grumpy.DynDNS.org (Postfix, from userid 928)
	id CC21E28429; Fri,  3 Apr 2009 14:25:02 -0500 (CDT)
Date: Fri, 3 Apr 2009 14:25:02 -0500
From: David Kelly <dkelly@hiwaay.net>
To: David Allen <the.real.david.allen@gmail.com>
Message-ID: <20090403192502.GA68897@Grumpy.DynDNS.org>
References: <2daa8b4e0904031144m63e06406q977b3ea80047a1af@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <2daa8b4e0904031144m63e06406q977b3ea80047a1af@mail.gmail.com>
User-Agent: Mutt/1.4.2.3i
Cc: FreeBSD Questions <freebsd-questions@freebsd.org>
Subject: Re: Serial Communications
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: FreeBSD-Questions@FreeBSD.org
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 03 Apr 2009 19:25:05 -0000

On Fri, Apr 03, 2009 at 11:44:36AM -0700, David Allen wrote:
> Sorry to have to ask a dumb question ...
> 
> I need to connect my notebook to another system using a serial
> connection.  Simple enough, but my notebook, unsurprisingly, has a USB
> port, but no serial.
> 
> Is there such a thing as a USB->DB9(M) null modem cable?  If not, would a
> USB->DB9 adapter stuck on one end of a null modem cable work?

Yes, its a smart adapter. I've had best luck using a 
"Keyspan High Speed USB Serial Adapter" model USA-19HS. About $31 at
Amazon.com and many other places.

-- 
David Kelly N4HHE, dkelly@HiWAAY.net
========================================================================
Whom computers would destroy, they must first drive mad.