The ROS850 is a component of an all-optical wireless intercom system. The Fiber Optic Network Server connects with the base station to realize signal delivery, and then converts the antenna electrical signal into digital optical signal to transmit the Fiber Optic Switch, so as to realize the optical communication with the Fiber Optic Network Switch. The server has the advantages of easy installation, easy maintenance; small loss, fast transmission speed, strong anti-interference ability,product performance stability and reliability. The products are suitable for public security, government, public utilities, large parks, airports, docks, ports, commercial complexes, residential, community property, hotels, business offices and so on.