The importance of Computer Room to Enterprise can be
refer as human's heart, and electricity as the blood. Since Computer
Room needs to operate 24/7, it is certain to provide a stable and
uninterruptible power supply source. Therefore, to reach the goal of
Computer Room operating uninterruptible, it is necessary to build an UPS
beside of the normal power source (city power). It can ensure to
provide emergency power at the first place when the abnormal
interruption of city power happens.