For network workstations and equipment, small-business servers, midsize business telecom/voicemail systems, UNIX servers and workstations, CAD/CAM workstations, and personal computers.??Nothing feels better to your server, PBX and internetworking equipment than a pure AC sine wave. This line-interactive UPS battery backup with Automatic Voltage Regulation (AVR) ensures your connected equipment gets a pure sine wave input at all times, even during blackouts, for consistently smooth operation. The 1400VA NetUPS provides of backup battery power, surge suppression, noise filtering, and automatic voltage conditioning for complete power protection.