TITLE
    Backup Power Supplies
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Modified: 		7430

7/1/91
3/28/01
TOPIC

    This article presents some information about backup power supplies.

DISCUSSION

    Here are a few evaluations done on standby power supplies, which will allow users, should a brownout or power failure occur, to shut down their systems without losing data.

    An evaluation in the April 30, 1990, PC Week cited two products:
    • SPS300: a 300 volt-ampere device from ITT Powersystems Corp.
    • MM300SS: a 312 volt-ampere device from Sutton Designs

    Both units kept the PC Week system operating for 12 minutes after a power outage.


    An evaluation in the February 12, 1990 Infoworld mentioned the following products:
    • 600-LS: a 600 volt-ampere device from American Power Conversion Corp.
    • Linebacker 300: a 300 volt-ampere device from SL Waber, Inc.
    • 650FR: a 650 volt-ampere device from Alpha Technologies, Inc.


    An evaluation in the April 1989 Byte magazine discussed the following:

    • VIP 800: a 800 volt-ampere device from ITT Powersystems Corp. that gave a 10-minute reprieve after a power failure.
    • PC/ET: a 360 volt-ampere device from Emerson Electric

    For more information, search the Web using the company names.

    Note: Information about products not manufactured by Apple is provided for information purposes only, and does not constitute Apple's recommendation or endorsement. Please contact the vendor for additional information.

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