PON (Passive Optical Network) system, optical line terminator, optical network unit, and PON system control method

摘要

A PON (Passive Optical Network) system of the present disclosure includes an optical line termination device, an optical network unit, and an optical communication line for forming a plurality of logical links between the optical line termination device and the optical network unit. At least one of the optical line termination device and the optical network unit includes a logical link control unit configured to be able to individually set a plurality of logical links to an established state and a disconnected state.