Page 7614-00205-01_ENENGLISH1. IntroductionThe Eaton® 9PX uninterruptible power system (UPS) protects your sensitive electronic equipment fromthe most common power problems, including power failures, power sags, power surges, brownouts, linenoise, high voltage spikes, frequency variations, switching transients, and harmonic distortion.Power outages can occur when you least expect it and power quality can be erratic. These power problemshave the potential to corrupt critical data, destroy unsaved work sessions, and damage hardware - causinghours of lost productivity and expensive repairs.With the Eaton 9PX, you can safely eliminate the effects of power disturbances and guard the integrityof your equipment. Providing outstanding performance and reliability, the Eaton 9PX’s unique benefitsinclude:• True online double-conversion technology with high power density, utility frequency independence,and generator compatibility.• ABM® technology that uses advanced battery management to increase battery service life,optimize recharge time, and provide a warning before the end of useful battery life.• Selectable High Efficiency mode of operation.• Standard communication options: Network-MS card (Web/SNMP), one RS-232 communicationport, one USB communication port, and relay output contacts.• Optional connectivity cards with enhanced communication capabilities (Modbus-MS, Relay-MS).• Extended runtime with up to four Extended Battery Modules (EBMs) per UPS.• Firmware that is easily upgradable without a service call.• Remote On/Off control through Remote On/Off (ROO) and Remote Power Off (RPO) ports.• Backed by worldwide agency approvals.