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A UPS for my new iMac 21.5"

4534 Views 61 Replies Latest reply: Sep 5, 2013 3:19 AM by ronenhaim RSS
  • John Galt Level 7 Level 7 (33,075 points)
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    Feb 27, 2013 11:46 AM (in response to ronenhaim)

    As I wrote earlier you need no additional software for APC UPSs. Plug it in and it works. This probably holds true for other UPS manufacturers as well.

     

    OS X already includes software to monitor the UPS's charge state, will inform you that it is running on backup power, and will shut down your Mac according to options you specify:

     

    Screen Shot 2013-02-27 at 2.35.55 PM.png

     

    Screen Shot 2013-02-27 at 2.41.42 PM.png

     

    Screen Shot 2013-02-27 at 2.45.16 PM.png

     

    APC's Customer Care Team's answer is correct in a manner not unlike the following story:

     

    A man flying in a hot air balloon realizes he is lost. He reduces his altitude and spots a man in a field down below. He lowers the balloon further and shouts, "Excuse me, can you tell me where I am?"

    The man below says, "Yes, you are in a hot air balloon, about 30 feet above this field."

    "You must be an engineer," says the balloonist.

    "Yes, but how did you know?"

    "Everything you told me is technically correct, but it's of no use to anyone."

    The man below says, "You must be in management."

    "Yes, but how did you know?"

    "You don't know where you are or where you're going, but you got there due to poor planning and a lot of hot air. You are in the same position you were before we met, but somehow that's my fault, and now you expect me to be able to help."

     


    MacBooks  iMacs  iPads  AirPorts, OS X Mountain Lion,  28 years Apple!
  • John Galt Level 7 Level 7 (33,075 points)
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    Feb 27, 2013 12:00 PM (in response to ronenhaim)

    Yes. Any one of these except for the cheapest: http://www.apc.com/products/family/index.cfm?id=29

     

    If it includes software on a CD throw it away; you don't need it.

  • John Galt Level 7 Level 7 (33,075 points)
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    Feb 27, 2013 12:19 PM (in response to ronenhaim)

    If I'll connect a UPS , The Energy Saver in System Preferences will change ?

     

    Yes. Upon connecting the USB cable, two tabs and an additional "Show UPS status in the menu bar" option will appear as in the following:

    Screen Shot 2013-02-27 at 3.17.46 PM.png

    Screen Shot 2013-02-27 at 3.15.41 PM.png

     

    Without a USB cable the Mac has no way of determining a UPS is connected.

    MacBooks  iMacs  iPads  AirPorts, OS X Mountain Lion,  28 years Apple!
  • Shootist007 Level 6 Level 6 (16,640 points)
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    Feb 27, 2013 12:21 PM (in response to John Galt)

    John Thank You Very Much for the mid day Laugh. And for the information.

  • John Galt Level 7 Level 7 (33,075 points)
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    Feb 27, 2013 12:34 PM (in response to ronenhaim)

    Does Mac power requirements  a pure sinvewave UPS ? Or  step approximated sine wave ?

     

    A pure sine wave UPS is unnecessary and a waste of money for any equipment that uses a switching power supply such as recent iMacs. The "step approximated" variety are OK.

     

    If you need to power audio equipment or motors, definitely. Anything with a linear power supply, probably. Otherwise, no.

  • John Galt Level 7 Level 7 (33,075 points)
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    Feb 27, 2013 12:35 PM (in response to Shootist007)

  • killhippie Level 3 Level 3 (580 points)
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    Feb 27, 2013 1:12 PM (in response to ronenhaim)

    Just as I said each port is USB 3 but if you plug a USB 2 device in first without plugging a USB 3 in before that the port will be set to USB 2 speeds, only that port though no the others. It makes no difference with a UPS though and since you will leave it plugged in don't worry.

  • killhippie Level 3 Level 3 (580 points)
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    Feb 27, 2013 1:15 PM (in response to ronenhaim)

    I would say yes, I have one connected and if you search on here you will see many tales of woe from people that didn't have one and their Mac crashed or they lost valuable pictures and documents when the Mac would not start again after a power outage. Protecting your Mac from power surges, brownouts and power failures is important, I would not be running mine without one.

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