This line-interactive series is compact and pure sine wave UPS and it is designed for essential applications and environment, such as desktops, servers, workstations, and other networking equipments. The series protects your sensitive electronic equipments against power problems including power sags, spike, brownouts, line noise, under-voltage, overvoltage and blackouts.The series is convertible to rack and tower forms. The front panel of the UPS includes LCD display and four control buttons that allow users to monitor, configure and control the units. On LCD, it also includes a LCD graphical bar, two status indications and four alarm indications. A control button from the front panel allows users to silence off the AC fail alarm and initiate the UPS self test sequence as well. The UPS case is made of metal. This series is powered from the AC mains and supply AC outputs via receptacles on the rear panel. Communication and control of UPS is available through serial or USB ports located on the rear panel. The serial port will support communications directly with a server and offer dry-contacts.