OPTI-UPS Durable Series B provides true on-line power for servers, workstations and other mission critical equipments. On-line operation regulates the incoming AC power and continuously offers connected applications with pure, stable sine wave output. The power capacity allows you to work through short blackouts or safely shut down after saving important files during longer ones. OPTI-UPS Durable Series B has 4 to 12 outlets (depending on voltage and capacity), multi-lingual and multi-functional LCD display, built-in serial port that works with FREE OPTI-SAFE Xtreme software to manage all kinds of power information and problems. Moreover, Durable Series B offers SNMP card and USB port interface for extra option in network management.