An optical fiber monitoring system consisting of three operating modes of switching and monitoring method

An optical fiber monitoring system and monitoring method consisting of three operating modes switching, power system relates to the field of optical fiber communication, optical monitoring equipment to solve the conventional waste of labor and the presence of timely switching without loss of data, and the problem can not be achieved, switching freely, the control processor respectively, the OTDR test module, data acquisition module, an alarm module, a timing controller, a first optical switch and a second optical switch connected to the optical power monitor module; RJ45 network port controlled by a processor connected to the Ethernet, and an application server and data server connection, the data acquisition module and the OTDR test module and the power control module is connected; and a timing controller connected to the OTDR test module, the optical power monitoring module is connected with the second optical switch, the OTDR test wavelength division multiplexer connected to the two modules, an alarm module connected to the data acquisition module, the present invention provides a working fiber, optical switching apparatus consisting of fibers, fiber matt prepare three kinds of monitoring mode.