Tripp Lite's dual input voltage SM2200RMDVTAA line interactive UPS system maintains 120V nominal output when powered by North American 120V or International 230V input. 3U rack / tower form factor with an installed depth of only 22.5 inches. Expandable battery runtime with optional BP48V24-2U and BP48V60RT3U external battery packs. Includes C20 power inlet with set of 4 international cordsets and both NEMA 5-15R and 5-15/20R output receptacles. Network-grade AC surge and noise suppression. Network management interfaces support simultaneous communications via USB port, DB9 serial port and SNMPWEBCARD slot. HID-compliant USB interface enables integration with built-in power management and auto shutdown features of Windows and Mac OS X. Integrated 2-bank programmable PDU switching supports load shedding and remote-reboot of up to 2 individual connected devices. 3-stage metered current monitoring and battery charge status LEDs. 95% efficiency in line power mode.