Uninterruptible Power Supply (UPS)

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1. Uninterrupted Power Supply or UPS is a device that provides instantaneous power cutover when utility power fails, usually by storing excess capacity in one or more batteries.

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BCMBoK Competency Level
BCMBoK 4: Business Continuity Strategy CL 2D: Intermediate (DR)
A Manager's Guide to Managing and Implementing Your IT Disaster Recovery Plan (2010)










Courses: IT DR Certification

(Source: Business Continuity Management Institute - BCM Institute)

2. A backup electrical power supply that provides continuous power to critical equipment in the event that commercial power is lost. The UPS (usually a bank of batteries) offers short-term protection against power surges and outages. The UPS usually only allows enough time for vital systems to be correctly powered down.

(Source: Business Continuity Institute - BCI)

(Source: ENISA - the European Network and Information Security Agency. BCM & Resilience Glossary)