Tripp Lite Internet Office INTERNET550U 550VA Tower UPS - 550VA/300W - 3.5 Minute Full Load - 4 x NEMA 5-15R - Battery/Surge- protected, 4 x NEMA 5-15R - Surge- protectedUPS offers standby protection for PCs and peripherals to prevent data loss and system downtime by providing battery- supported AC output during brownouts and blackouts. System maintains 120V nominal output during blackouts. Workstation optimized features include HID-compliant USB port, single line TEL/DSL line surge suppression. Compact, mountable housing includes outlets that provide full battery support and surge suppression. Additional surge suppression-only outlets are ideal for accessories not requiring battery support. USB communications interface with PowerAlert monitoring software (via web download) and cabling... Less

Ultra-compact standby UPS with built-in DB9 serial monitoring port Protects PCs, network workstations and other systems reliant upon a contact-closure serial 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 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 8 outlets (4 UPS/surge, 4 surge-only) $100,000 connected equipment insurance (USA & Canada only)