From owner-freebsd-questions@FreeBSD.ORG Sun Feb 3 06:05:51 2008 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4D33016A418 for ; Sun, 3 Feb 2008 06:05:51 +0000 (UTC) (envelope-from tedm@toybox.placo.com) Received: from mail.freebsd-corp-net-guide.com (mail.freebsd-corp-net-guide.com [65.75.192.90]) by mx1.freebsd.org (Postfix) with ESMTP id EF2F713C45B for ; Sun, 3 Feb 2008 06:05:50 +0000 (UTC) (envelope-from tedm@toybox.placo.com) Received: from TEDSDESK (nat-rtr.freebsd-corp-net-guide.com [65.75.197.130]) by mail.freebsd-corp-net-guide.com (8.13.8/8.13.8) with SMTP id m135mFJv097171; Sat, 2 Feb 2008 21:48:17 -0800 (PST) (envelope-from tedm@toybox.placo.com) From: "Ted Mittelstaedt" To: "Mario Lobo" , "Warren Block" Date: Sat, 2 Feb 2008 21:49:45 -0800 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.6604 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1914 In-Reply-To: <200801302221.49266.mlobo@digiart.art.br> Importance: Normal X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (mail.freebsd-corp-net-guide.com [65.75.192.90]); Sat, 02 Feb 2008 21:48:18 -0800 (PST) Cc: questions@freebsd.org Subject: RE: Serial port question X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Feb 2008 06:05:51 -0000 > -----Original Message----- > From: owner-freebsd-questions@freebsd.org > [mailto:owner-freebsd-questions@freebsd.org]On Behalf Of Mario Lobo > Sent: Wednesday, January 30, 2008 5:22 PM > To: Warren Block > Cc: questions@freebsd.org > Subject: Re: Serial port question > > > On Wednesday 30 January 2008 21:42:28 you wrote: > > On Wed, 30 Jan 2008, Mario Lobo wrote: > > > I am doing some experiments with the WL5460AP. I doesn't have a serial > > > connector but the RTL8186 does have a UART and the circuit > board has a 4 > > > pin connector (4-3.3V, 3-TXD, 2-RXD, 1-GND) to the UART. When you plugged in to this port, did you insert 1488 and 1489 line driver/line receiver chips? RS232 serial data is +12V ~ -12V and that UART output is undoubtedly TTL 5v+ signal level. Hopefully you didn't fry the port. Ted