TRIPP LITE's SMX500RT1U smartpro 230 V, 500 VA, 300 W line-interactive UPS, 1U rack/tower, network card options, USB, DB9 serial Tripp Lite's SMX500RT1U intelligent, line interactive rack/tower uninterruptible power supply prevents data loss, downtime and equipment damage due to power outages, voltage fluctuations and transient surges. Requires only one rack space (1U) in a 2 or 4 post rack, with included accessories for upright tower placement. Large internal batteries offer 14.6 minutes half load runtime and 3.2 minutes at full load. Maintains regulated 230 V nominal output without using battery power during brownouts as low as 187 V, 500 VA/300 W power handling capability is compatible with networking, telecom and other sensitive electronic applications includes a total of 7 IEC C13 outlets (6 UPS with a single outlet that can be individually controlled via software interface to reboot select equipment on demand or shed less significant loads to extend battery runtime for more critical equipment, and 1 surge-only receptacle. Supports simultaneous remote monitoring of UPS and site power conditions via built-in USB, DB9 monitoring ports and network management card slot. PowerAlert UPS monitoring and unattended shutdown software is available via free download. Emergency Power Off (EPO) interface offers option for instantaneous power-off of UPS and connected equipment in the case of fire or emergency situation. Multi-function audible alarms and set of 5 front panel LEDs offer at-a-glance notification of UPS and line power status. Network-grade AC surge suppression protects equipment from damage and performance problems resulting from transient surges and line noise. Attractive all-black color scheme.