APC UPS and Mac OS X - Getting other machines on network to shutdown safely

I am considering purchasing the APC UPS SMT2200I. Apparently it will only work with one Mac connected via USB and you can set the connected Mac to shutdown after a period of time on UPS power (via the Energy Panel http://tinyurl.com/38zmmu3). If I go with this solution I will connect to an iMac.
Is there an (elegant) way that I can get other computers on my network to safely shutdown when the iMac shuts down due to an alert from the UPS?

Hi,
Most APC Smart-UPSs will work with the Mac, you don't necessarily need to get such a big unit as the SMT2200I, it's probably overkill. You're probably better off going with something like a SMT1500 for your Mac. It's pretty much the biggest unit you can get without having to install a custom power line. You can set the shut down settings in the options to safely shut down your Mac if the power goes out.

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MacBook Pro (17-inch, Late 2011) (Verified)
MacBook Pro - model: MacBookPro8,3
1 2.4 GHz Intel Core i7 CPU: 4-core
16 GB RAM Upgradeable
BANK 0/DIMM0
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AMD Radeon HD 6770M - VRAM: 1024 MB
Color LCD 1920 x 1200
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OS X 10.10.1 (14B25) - Uptime: 4 days 1:40:55
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Crucial_CT960M500SSD1 disk0 : (960.2 GB)
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Western Digital Elements 10A8 1 TB
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[loaded] com.paragon.NTFS.notify.plist [Support]
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[invalid?] cn.com.zte.usbswapper.plist [Support]
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OVSHelper: Version: 1.1 [Support]
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AdobePDFViewerNPAPI: Version: 11.0.09 - SDK 10.6 [Support]
FlashPlayer-10.6: Version: 15.0.0.246 - SDK 10.6 [Support]
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