EATON Powerware® 5125 Two-in-One UPS (1000–1500 VA) User’s Guide S 05147305 Rev D www.power-ware.com1Chapter 1 IntroductionThe Powerware® 5125 uninterruptible power system (UPS) protectsyour sensitive electronic equipment from basic power problems such aspower failures, power sags, power surges, brownouts, and line noise.Power outages can occur when you least expect it and powerquality can be erratic. These power problems have the potential tocorrupt critical data, destroy unsaved work sessions, and damagehardware — causing hours of lost productivity and expensive repairs.With the Powerware 5125, you can safely eliminate the effects of powerdisturbances and guard the integrity of your equipment. The Powerware5125 was designed for critical applications such as PCs, servers,workstations, and telecommunications equipment. Figure 1 shows thePowerware 5125 UPS with an optional Extended Battery Module (EBM).Figure 1. The Powerware 5125 UPS with Optional EBMProviding outstanding performance and reliability, the Powerware 5125’sunique benefits include the following:S Buck and Double Boost regulation that ensures consistent voltage toyour load by correcting voltage fluctuations without using batterypower.S 2U rack height that conserves valuable rack space.S Two-in-one form factor for using the UPS in a rack-mountconfiguration or as a standalone cabinet.S ABM® technology that uses advanced battery management toincrease battery service life, optimize recharge time, and provide awarning before the end of useful battery life.