Tripp Lites SMART1500LCD Line-Interactive Digital UPS System offers Voltage regulation, surge suppression and long-lasting battery support for personal computers, network workstations, home entertainment systems and media centers. Internal UPS circuits support entry-level PCs or individual VCR/DVR components during power failures. Prevents data loss, viewing interruptions, lost recordings and loss of component programming. Automatic Voltage Regulation (AVR) circuits regulate brownouts and over Voltages from 75V to 147V back to usable levels without using battery power. Offers complete power protection with support for upright tower, flat shelf mount or 2U rackmount installation in an attractive all-black cabinet design. Includes 8 battery-supported outlets. Built-in USB and DB9 serial port enables optional unattended system shutdown without data loss in case of extended power failure; cabling included. PowerAlert software available via free download from www.tripplite.com. HID-compliant USB interface enables integration with built-in power management and auto shutdown features of Windows and Mac OS X. Built-in single-line RJ-45 jacks offer protection for equipment with single-line tel/DSL or network Ethernet connection. Built-in audible alarm and large LCD front panel Voltage display indicates line power status, battery power status, battery low/replace status and Voltage boost operation. Also known as -SmartPro 1500 VA Rackmount/Tower Digital UPS-Tripp Lite SMART1500LCD 1500VA 900W UPS Smart Rackmount Tower LCD AVR 120V USB D-TRPSMART1500LCD Smart1500lcd Smart Lcd 1500Va Ups Avr 120V With Usb, Db9, Rj45,-Tripp Lite 8-Outlet 1500VA/900-Watt Line-Interactive UPS System-Tripp Lite SmartPro 1500 VA Rackmount/Tower Digital UPS-Tripp Lite Battery Backups 1500VA 900-Watt UPS Smart Rackmount To-Watter LCD AVR