The DIALOG VISION series includes the DVR (Rack version) and DVD (Dual Rack/ Tower version) with models from 500VA to 3000VA and uses sinewave digital technology. The DIALOG VISION range, with its advanced communications and connectivity options, is the ideal solution for installations requiring superior protection and versatility. DIALOG VISION is the best protection for network devices, rackmounted servers, conventional rack-mounted or tower servers, network storage systems. An Automatic Voltage Regulator (AVR) provides stabilisation from brownouts, sag and surge voltages. EMI filters then provide further protection from spikes and transients. When the mains power supply fails, the load is powered by the inverter and receives a true sinewave supply for maximum power continuity and reliability. The UPS also incorporates protection for PC and network, telephone line/modem connections (RJ45-RJ11). High availability One Power Share socket for loadshedding of the least critical loads to maximise back up time for the most critical servers. Hot swappable battery (front access) for simple and risk-free UPS maintenance.