Tripp Lite's SMART1500RMXL2U intelligent, line interactive rack/tower UPS system prevents data loss, downtime and equipment damage due to power outages, voltage fluctuations and transient surges. Requires only two rack spaces (2U) in a standard rack enclosure. Large internal batteries offer 30 minutes half load runtime and 12 minutes at full load, expandable with the addition of BP48V24-2U or BP48V60RT3U external battery packs. 1500VA / 940 watt power handling capability supports a variety of networking, telecom and other sensitive electronic applications. Includes a total of 8 outlets, one pair of which are individually controllable via software interface to reboot remote equipment on demand or automatically shed less significant loads to extend battery runtime for more critical equipment. Supports remote monitoring of UPS and site power conditions via built-in USB and DB9 monitoring ports. Includes PowerAlert UPS monitoring and unattended shutdown software with complete cabling. Built-in accessory slot supports SNMP with optional SNMPWEBCARD adapter. Emergency Power Off (EPO) interface offers option for instantaneous power-off of UPS and connected equipment in the case of fire or emergency situation. Multi-function audible alarms and set of 5 front panel LEDs offer at-a-glance notification of UPS and line power status. Network-grade AC surge suppression protects equipment from damage and performance problems resulting from transient surges and line noise. Ships in attractive gray color scheme; includes optional use, user installable, black front bezel to alter UPS appearance to match black equipment racks. Two year warranty with $250,000 connected equipment insurance (USA & Canada only).