From owner-freebsd-questions@freebsd.org Fri Nov 6 12:21:15 2015 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5BBD6A278FC for ; Fri, 6 Nov 2015 12:21:15 +0000 (UTC) (envelope-from kraduk@gmail.com) Received: from mail-wi0-x234.google.com (mail-wi0-x234.google.com [IPv6:2a00:1450:400c:c05::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id F402B1C11 for ; Fri, 6 Nov 2015 12:21:14 +0000 (UTC) (envelope-from kraduk@gmail.com) Received: by wicll6 with SMTP id ll6so27651609wic.1 for ; Fri, 06 Nov 2015 04:21:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=a2fEvO4LZFSgz5JaASdCW5LXIvsZpKcRBQRBspySGHU=; b=tbHZsqz2zKn5cxyhejtIA7rLS0jKIJ3DzSo3/IQT7TPUL4vxPI7d0f2ZXUqCE2snKj MjPrXdzMy9cIaFK/7bOdG4xLwB06+kOQLOSLygtq4/4tsv/IfKmmdcTQlPLy7qcpHmRk FDhAMlcd5o4D/Cn5EkfX40AB1LTVYPvzJJTNT+qR5xUbHvzE3FgGTArmtKjb8ahmYCtQ cU0bIs55tlClLSeLIL5OdjNql4+WpYM/MX4rw72FGf+Z6phQWZXN8vnGkbTAQCf9fh1+ vr7klPKU8BUC+Aqlgs3phNhTUT6A2FItsRnHoVATSqj+0SQuv0XRkttzY48pDbblaMg9 P60A== MIME-Version: 1.0 X-Received: by 10.194.134.3 with SMTP id pg3mr15755040wjb.63.1446812473477; Fri, 06 Nov 2015 04:21:13 -0800 (PST) Received: by 10.28.181.193 with HTTP; Fri, 6 Nov 2015 04:21:13 -0800 (PST) In-Reply-To: References: <563B7465.1090802@rcn.com> Date: Fri, 6 Nov 2015 12:21:13 +0000 Message-ID: Subject: Re: UPS From: krad To: Warren Block Cc: Robert Huff , FreeBSD Questions Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 06 Nov 2015 12:21:15 -0000 "apcaccess shows this on the server: CABLE : USB Cable DRIVER : USB UPS Driver STATUS : ONLINE" isn't that an application level driver though, or is it from dmesg? On 5 November 2015 at 17:02, Warren Block wrote: > On Thu, 5 Nov 2015, krad wrote: > > from what i remember the usb just presents itself as serial over usb, so >> that makes sense. THe network bit is a bit misleading as I think it means >> it talks to another apcupsd on a different host connected to a ups via >> serial, rather than direct to a network enabled UPS. >> > > I have one APC Smart-UPS 1500 connected to a server by USB. The USB port > is native USB, it does not appear on the computer as a USB-connected serial > port. Other APC UPSes have DB9 ports that can speak serial or USB > depending on the oddball adapter cables. Some older UPSes might be serial > only. > > apcaccess shows this on the server: > CABLE : USB Cable > DRIVER : USB UPS Driver > STATUS : ONLINE > > Another computer is plugged into the Smart-UPS 1500 for power, but of > course cannot share the UPS connector. apcupsd on that computer connects > over the network to the main apcupsd on the server that is directly > connected to the Smart-UPS USB port. It works transparently. apcaccess on > the client computer shows: > CABLE : Ethernet Link > DRIVER : NETWORK UPS Driver > STATUS : ONLINE SLAVE > > For my use, apcupsd is superior to the network monitoring cards that can > be installed in the higher-end APC units. >