[WinMac] UPS [WAS: RE: Flashing Question Mark On Startup]
Daniel L. Schwartz(expresso[at]snip.net)
Fri, 19 Mar 1999 15:08:21 -0500
Dear Dan Wright (and my other Blind CC'd friends),
For the Mac, at this point nothing, since they are only used for
workstations... And I tell my customers to NOT plug their monitors into the
UPS. One of the nice features of the Mac is a "graceful headless" shutdown
by hitting the power key, then hitting Return until the Mac goes down...
[When I discuss platform stability for mission-critical servers, this
(among other issues) is why I recommend NT's Services for Macintosh (SFM)
over anything Apple offers... This, and NT's Native Transactional File
System (NTFS)...]
For the x86 platform, I use Tripp-Lite's software for the few windoze
95/98 boxes; and for AlphaNT and NT/x86 I use the UPS Service to monitor a
serial port.
What is important to keep in mind is that some UPS' use "dry contact"
(relay) closures, while others use SCR (polarity sensitive) contact closures.
Also, not all DB9-DB9 cables are equal... Watch out for the pinout!!
Below is the reply I received (between the *****) from APC
<http://www.apcc.com> when I asked about their iMac/B&W support for their
USB - based backups:
***************
X-Lotus-FromDomain: APCC
From: MBONENFA@apcc.com
Date: Fri, 19 Mar 1999 10:08:48 -0500
Subject: CASE: 1217514
Dear Daniel,
Thank you for your continued interest in APC products.
APC recognizes the customer demand for a UPS which can be attached to an
Apple computer via the USB port, as
well as, software for gracefully shutting down the Apple computer in the
event of a power failure. However, our
solution, PowerChute for Macintosh, currently functions with APC UPSs which
have a serial port. As always,
any APC UPS can be used with any Apple Macintosh computer to provide
back-up power in the event of a power
disturbance
If you have any further questions or comments, please visit us on the web
at http://support.apcc.com.
For prompt assistance, please contact our Web Support at
http://support.apcc.com or contact our Technical
Support at 1-800-800-4272, Case ID #: 1217514
How are we doing? Please take a moment to fill out a quick survey - you
could win a T-shirt!
The survey is located at the following URL: http://apc.cytation.com/survey
Thanks!
Regards,
Michael Bonenfant
Network Enhancements Division
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** Created by webuser on 3/17/99 @ 3:58 PM **
Are you planning to have Apple OS-X and/or MacOS 8.5.1 - compatible
software for the USB (Universal Serial Bus) version of the BackUps Pro? The
reason for this is that the blue & white G3 minitower Macs and AppleShare
Servers released in January do NOT have any (RS-422) serial ports... Unlike
any previous tower or desktop Macs, all they have is USB (like the iMac).
Thank you!
Daniel L. Schwartz
***************
At 11:29 AM 3/19/99 -0800, Dan Wright replied to me:
>At 3:27 PM -0500 on 3/17/99, Dan Schwartz wrote:
>
>> serial connection from the UPS to the server for graceful shutdown as the
>> battery approaches a fully discharged condition;
>
>What do you use to shutdown the servers? I have Mac and Win95
>servers and have found that most UPS monitoring software is far more
>trouble than it is worth.
>
>What do you use?
>
>Dan
>
>--
>Dan Wright MIS Manager
>Brooks Technical Group 408-252-3880 (Voice)
>10080 N. Wolfe Rd SW3-100 408-252-4434 (FAX)
>Cupertino, CA 95014 dwright@brooks-tech.com
Yours truly,
Daniel L. Schwartz,
Electrical Engineer.
Dan's Macintosh Consulting
239 Great Road
Maple Shade, NJ 08052
609-642-7666
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