Received: from PCH.mit.edu (18.7.21.50) by mail.efplus.com (192.168.0.8) with Microsoft SMTP Server (TLS) id 8.3.485.1; Fri, 16 Jul 2021 00:59:30 -0700 Received: from PCH.MIT.EDU (localhost.localdomain [127.0.0.1]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 16G7mjne028748; Fri, 16 Jul 2021 03:49:37 -0400 Received: from outgoing-exchange-3.mit.edu (OUTGOING-EXCHANGE-3.MIT.EDU [18.9.28.13]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 16G7miYb028745 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Fri, 16 Jul 2021 03:48:44 -0400 Received: from w92exedge4.exchange.mit.edu (W92EXEDGE4.EXCHANGE.MIT.EDU [18.7.73.16]) by outgoing-exchange-3.mit.edu (8.14.7/8.12.4) with ESMTP id 16G7min2027022 for ; Fri, 16 Jul 2021 03:48:44 -0400 Received: from w92expo25.exchange.mit.edu (18.7.74.31) by w92exedge4.exchange.mit.edu (18.7.73.16) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Fri, 16 Jul 2021 03:48:40 -0400 Received: from oc11exhyb8.exchange.mit.edu (18.9.1.113) by w92expo25.exchange.mit.edu (18.7.74.31) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Fri, 16 Jul 2021 03:48:43 -0400 Received: from NAM02-SN1-obe.outbound.protection.outlook.com (104.47.57.41) by oc11exhyb8.exchange.mit.edu (18.9.1.113) with Microsoft SMTP Server (TLS) id 15.0.1497.18 via Frontend Transport; Fri, 16 Jul 2021 03:48:43 -0400 Received: from BN1PR10CA0003.namprd10.prod.outlook.com (2603:10b6:408:e0::8) by DM5PR0102MB3528.prod.exchangelabs.com (2603:10b6:4:a6::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4308.26; Fri, 16 Jul 2021 07:48:41 +0000 Received: from BN8NAM11FT062.eop-nam11.prod.protection.outlook.com (2603:10b6:408:e0:cafe::2) by BN1PR10CA0003.outlook.office365.com (2603:10b6:408:e0::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4331.22 via Frontend Transport; Fri, 16 Jul 2021 07:48:41 +0000 Received: from mail-pg1-f171.google.com (209.85.215.171) by BN8NAM11FT062.mail.protection.outlook.com (10.13.177.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4331.21 via Frontend Transport; Fri, 16 Jul 2021 07:48:41 +0000 Received: by mail-pg1-f171.google.com with SMTP id 37so9217160pgq.0 for ; Fri, 16 Jul 2021 00:48:41 -0700 (PDT) Received: from esk (pa49-181-236-17.pa.nsw.optusnet.com.au. [49.181.236.17]) by smtp.gmail.com with ESMTPSA id n12sm8155517pgr.2.2021.07.16.00.48.39 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 16 Jul 2021 00:48:39 -0700 (PDT) Received: from james by esk with local (Exim 4.90_1) (envelope-from ) id 1m4IaI-00017h-1Q; Fri, 16 Jul 2021 17:48:34 +1000 From: James Cameron To: Microcontroller discussion list - Public. Sender: "piclist-bounces@mit.edu" Date: Fri, 16 Jul 2021 00:48:34 -0700 Subject: Re: [EE] Redundant PSU for critical NAS server Thread-Topic: [EE] Redundant PSU for critical NAS server Thread-Index: Add6GII/Q2slKfjkQZS0/s+fq3zQUQ== Message-ID: <20210716074834.GA4080@laptop.org> References: List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US X-MS-Exchange-Organization-AuthAs: Anonymous X-MS-Exchange-Organization-AuthSource: TS500.efplus4.local X-MS-Has-Attach: X-Auto-Response-Suppress: All X-MS-Exchange-Organization-SenderIdResult: TempError X-MS-Exchange-Organization-PRD: mit.edu X-MS-TNEF-Correlator: received-spf: Pass (protection.outlook.com: domain of laptop.org designates 209.85.215.171 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.215.171; helo=mail-pg1-f171.google.com; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=laptop.org; s=google; h=date:from:to:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=FH6wvknwb6RKZbfByq7BDyyuNq7i8mzvVPUohA267Sw=; b=v+xnEFNy4yBe7Vlh5dG5b+jC3KLyxsMD9FgRCDu/Pnw7oVSPZacFANY/yzmuuQrhOp LkkhFqtAHKPN7wmQQX++bkLbHuaUWZeAPiesMVqqD9Bf81PF6X5RvkD/T1zg9+v+07r3 bHxDov0WvfXBg+adoqElbaeXBZMW6dIZfRvOo= authentication-results: spf=pass (sender IP is 209.85.215.171) smtp.mailfrom=laptop.org; mit.edu; dkim=pass (signature was verified) header.d=laptop.org; mit.edu; dmarc=pass action=none header.from=laptop.org; user-agent: Mutt/1.9.4 (2018-02-28) errors-to: piclist-bounces@mit.edu list-id: "Microcontroller discussion list - Public." list-post: x-beenthere: piclist@mit.edu x-mailman-version: 2.1.6 x-received: by 2002:a65:6487:: with SMTP id e7mr8658304pgv.27.1626421719850; Fri, 16 Jul 2021 00:48:39 -0700 (PDT) x-topics: [EE] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Welcome back. You were last here in November 2014. ;-) --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .