Tripp Lite SMART2200NET 2200VA 1700W UPS Smart Tower AVR 120V XL DB9 for Servers, 6 Outlets 2200VA/1600W power capacity; compact tower design; expandable battery backup Advanced automatic voltage regulation with sine wave output 6 AC outlets (2 individually controllable) 3 DB9 communication ports; included PowerAlert software $250,000 Ultimate Lifetime Insurance; 2-year warranty Product Type - UPS Connectivity - Serial Connectivity - Serial Output frequency regulation - LINE MODE---Passes line frequency of 60Hz above or below 10 percent , BATTERY MODE---Invertor ouput regulated to 60Hz above or below 0.5Hz Outlet quantity / type - 6 NEMA 5-15R , Customized load management receptacles - 3 serial ports