Tripp Lite SMX500RT1U .5 kVA / 500VA / 300 watt line interactive UPS 1U rack / tower compatible form factor IEC C14 input; 6 IEC C13 output receptacles Installed depth of only 11.8 in / 29.8 cm Large internal batteries offer runtimes of 14.6 minutes at half load (250VA/150 watts) and 3.2 minutes at full load (500VA/300 watts) Intelligent battery management system extends battery life Maintains regulated 230V nominal output during brownouts as low as 187V Includes 6 UPS-supported outlets, with one single-outlet load bank for remote load shedding or rebooting of an individual device USB & Serial ports enable data-saving unattended shutdown when used with Tripp Lite's PowerAlert software, available via FREE download from Tripp Lite website. Compatible with Tripp Lite UPS management card options TLNETCARD, WEBCARDLX and SNMPWEBCARD Optional WEBCARDLX (sold separately) with the latest version of PowerAlert Device Manager firmware (PADM20) provides enhanced remote management capabilities PADM20 and PowerAlert Element Manager (PAEM) form a powerful tool for expanding maintenance functions in large installations, including firmware update checks and backup and restoration of device configurations IP-based Auto Probe detects lost connectivity and restores service autonomously Supports Tripp Lite's WatchDog software application to restore operation to locked equipment through soft reboot of application, OS or hard power off/on reboot of connected equipment - ideal for unattended kiosk applications (requires optional WATCHDOGSW) Emergency Power Off (EPO) interface with cable Multi-function audible alarms and set of 5 front panel LEDs C14 inlet accepts user-supplied AC power cord with country specific plug Network-grade AC surge suppression Field-replaceable, hot-swappable internal UPS batteries Optional PDUBHV10 bypass PDU enables hot-swappable UPS replacement with no disruption to connected equipment