Specially designed for mobile communications base stations, power plants, industrial and mining enterprises, electrified rail and user terminals as DC power supply. The power supply system can take power from the telecommunications or the Post's DC screen, is AC/DC dual power supply uninterrupted power supply system. Used in computer rooms, Banks, Telecommunications, Postal services, Broadcasting, Public security, Transportation, Electricity, Industrial control, Defense, Petrochemical, and other data field;www.greencisco.com