Date: Fri, 06 Mar 1998 20:09:39 -0800 (PST) From: Simon Shapiro <shimon@simon-shapiro.org> To: Karl Denninger <karl@mcs.net> Cc: "John S. Dyson" <dyson@FreeBSD.ORG>, tlambert@primenet.com, dmlb@ragnet.demon.co.uk, wilko@yedi.iaf.nl, julian@whistle.com, hackers@FreeBSD.ORG, lada@ws2301.gud.siemens.at, Chuck Robey <chuckr@glue.umd.edu> Subject: Re: SCSI Bus redundancy... Message-ID: <XFMail.980306200939.shimon@simon-shapiro.org> In-Reply-To: <19980306214345.34788@mcs.net>
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On 07-Mar-98 Karl Denninger wrote: ... > BTW, not all telcos prohibit 110V in their colocation areas. We have 110V > hardware in a telco colocation room in Milwaukee. We *did* have to > provide > our own short-run UPS to cover generator startup (they don't cover that > on the 110V side) and for the hard-wiring of the power and ground to the > rack, but that was it. Doing so was far cheaper than buying 48V > equipment > for that installation, and it means that all our hardware is > interchangable. Yup. Some telcos now do that in co-locate rooms. Interesting possibilities for people like my employer. But our equipment directly connects to the switches, so maybe that's why they insist on 48VDC. Could also be that they do not insist and we simply do not ask :-) ---------- Sincerely Yours, Simon Shapiro Shimon@Simon-Shapiro.ORG Voice: 503.799.2313 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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