TECHNOLOGY
U
PS stands for Uninterruptible Power Supply. all power failures take more than a week to ful-
They’re the devices used by network engi- ly recover.
neers and everyday computer users to ensure that • Of all companies experiencing power failures,
computer systems don’t crash without warning. 33% of them lose over $17,000, 20% lose over
From minimizing user frustration to saving time $430 000, and 15% lose over $1.7 million.
and money when trying to retrieve lost data, UPS • Following an unscheduled shutdown due to a
are your computer’s insurance policy against power failure, it can take up to 48 hours to re-
brown outs, electrical interference, and fluctu- configure a network computer system.
ations in voltage. Listed below are five reasons There are two different UPS systems commonly
why you or your company should utilize an UPS. used today—Standby UPS and Continuous UPS.
• Over 28% of computer system breakdowns are A Standby UPS system allows the computer to
the result of power failures. run off normal electrical power until it detects a
• Power failures usually require time to fix. From problem with the electrical current. The Standby
finding the right circuit breaker or replacing a UPS system then turns on a power inverter, nor-
blown fuse to having the electric company re- mally within five milliseconds, and supplies the
place a transformer, recovery periods are part computer with power from its battery.
of the experience. More than 1/3 of companies Continuous UPS run the computer directly from
lack power for more than a day. Almost 10% of its battery, with the battery being continuously
recharged by its connection to a
power source. The advantage of
a Continuous UPS is that there
is no transition of power from
one source to another, minimiz-
ing any fluctuations in electrical
power.
For companies that experi-
ence a computer disaster and
are not equipped with a survival
plan, including an UPS system,
90% go out of business with-
in 18 months. Maybe now is the
time for you to consider install-
ing an UPS.
Source: PricewaterhouseCoopers
 ThinkBusiness June 2009 
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