Tripp Lite SMART500RT1U SmartPro 120-Volt/500-Volt Ampere 300 Watt Line-Interactive UPS

500 VA line-interactive 1U rack/tower UPS; 120 volt nominal output during brownouts as low as 90 volt; USB, RS232, EPO, and slot for network management card options; Front panel status LEDs; 1 switched output load bank; NEMA 5-15P input; 7 NEMA 5-15R outlets; To use the auto probe feature, this product requires a WEBCARDLX network interface (sold separately) running LX firmware update 15.5.2 or later; 2-year warranty, 3 year with registration; Note: registration is required for 3-year warranty; Includes rackmount installation hardware, Usb, DB9, and EPO cabling, and instruction manual;