Tripp Lite 1500VA Smart UPS Back Up, Sine Wave, 1350W Line-Interactive, 2U Rackmount, LCD, USB, DB9 (SMART1500RM2U) 1.5kVA 1350W UPS Battery Backup Power Supply with AVR, Sine Wave output & interactive LCD monitoring 120V NEMA 5-15P input, 8 NEMA 5-15R outlets4 switchable via network interface Supports a half load of 675 watts on battery for 13 minutes. Frequency compatibility is 60 Hz Included PowerAlert software for complete network power management and control. UPS Dataline Suppression : 1 line TEL/DSL (1 in / 1 out); 10/100Base T Ethernet USB, RS232, EPO and slot for optional SNMP/Web card 2-Year Warranty (3-Year with Registration) & $250K Ultimate Lifetime Insurance for connected equipment