Why Hot-Swap Capability is Key to Zero Network Downtime

In the past, UPS repairs or maintenance were often a big headache for IT departments with UPS Systems that were non-modular and hardwired making them time-consuming to repair. An off-site technician was usually required to diagnose the problem, often causing an undesirable period of network downtime. But today, when high availability, resiliency and serviceability are critical requirements for network operations, UPS manufacturers have addressed the problem of downtime by engineering Hot-Swappable UPS Systems.

Hot-Swap UPS Systems ensure the maximum availability of network loads by transferring them to utility power in the event of an internal fault, overload, or during scheduled maintenance. This is accomplished in two ways: internally with an automatic inverter bypass function, and externally with a manual bypass switch. When a UPS is experiencing an internal fault or overload, the automatic bypass function will be enabled to connect all loads to utility power. Once on utility power, the hot-swappable power module or batteries can be removed safely by an IT staff member and without the need of an off-site technician. For the scheduled maintenance, a Hot-Swap UPS System has a detachable, modular, parallel-connected PDU with a manual bypass that can be switched to also permit the safe removable and replacement of the power module or batteries without interrupting power to the network loads.

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The time-saving and convenience of Hot-Swap UPS Systems make them especially useful for data centers, computer rooms, network closets and rugged industrial locations.

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