Features: 1) Suitable for introducing broadband into the building, house and uptown 2) The case body made of stainless steel, strong and anti-corrosion, with good seal performance, dew-resisting 3) The districts inside rack as following: cable turnover fixed section, fiber distribution section, power inversion section, cable distribution section, network device section; easy assembly 4) With a guarantee system for un-interrupted working of power to ensure working normally within 16 hours 5) The network device section designed according to international standard 19, can be assembled with different types or sizes of fiber optic converters, fast Ethernet exchanger or media converter 6) Can be equipped with temperature controller and fan for releasing the heat of the rack