Tripp Lite UPS 550VA 300W Desktop Battery Back Up Compact 120V DB9 RJ11 PC - 550VA/300W - 3.5 Minute Full Load - 4 x NEMA 5-15R, 4 x NEMA 5-15R - Surge-protected - ENERGY STAR, RoHS Compliance INTERNET550SER

Ultra-compact standby UPS with DB9 serial monitoring 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 with cabling, TEL/DSL line surge suppression, surge-only outlets and LED indicators. PowerAlert software available free via download.

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