6 | IntroductionIntroductionThe Dell Online Rack uninterruptible power system (UPS) protects your sensitive electronicequipment from basic power problems such as power failures, power sags, power surges, brownouts, andline noise.Power outages can occur when you least expect them and power quality can be erratic. These powerproblems have the potential to corrupt critical data, destroy unsaved work sessions, and damagehardware — causing hours of lost productivity and expensive repairs.With the Dell Online Rack UPS, you can safely eliminate the effects of power disturbances and guardthe integrity of your equipment. The UPS provides flexibility to handle an array of network devicesmakes it the perfect choice to protect your LANs, high density servers, blade chassis, and workstations aswell as other electrical equipment. The UPS becomes an ideal solution for cloud applications and a widerange of virtualization implementations when the Dell Multi-UPS Management Console (MUMC) andDell UPS Local Node Manager (ULNM) are used to manage the UPS.Figure 1 shows the Dell Online Rack 10 kW UPS.Figure 1. The Dell Online Rack 10 kW UPS1