Tripp Lite INTERNET550SER uninterruptible power supply (UPS) 0.55 kVA 300 W

Ultra-compact standby UPS with built-in DB9 serial monitoring port protects PCs, network workstations and other systems reliant upon a simple serial communications interface for UPS monitoring and unattended system shutdown. Maintains AC output during blackouts and brownouts starting at 99V. Includes DB9 monitoring port with cabling, TEL/DSL line surge suppression, surge-only outlets and LED indicators. PowerAlert software available free via download.
Features • INTERNET550SER standby UPS offers protection from blackouts, brownouts and surges on both AC and dialup modem lines • Provides seamless battery derived AC output during blackouts and severe brownouts so that connected equipment can be shut down without data loss • Built-in serial port interface provides simple communications for automatic system shutdown if power fails while the system runs nattended • Supports Tripp Lite's Watchdog system service 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 • 4 battery supported outlets protect computer, monitor and one vital system peripheral, plus 4 additional surge suppression-only outlets for printers and other system accessories not requiring battery support • Attractive stealth black UPS color scheme • Built-in single line phone jacks protects peripherals with a standard dialup phone line connection, phone cable included • Built-in audible alarm and front panel LEDs offer continuous status information regarding line and battery power operation • 550VA /300 watt power handling ability supports entry-level PC systems for several minutes during power fail conditions • Ultra-compact housing fits anywhere, wall mountable