Abstract:A new wavelength division multiplexing passive optical network (WDM-PON) monitoring program is introduced, and the detection process and the fault location process are described, and their relationship is analyzed. According to the basic principles of the system, an experimental simulation platform was built in VPI software and the system simulation block diagram and simulation results were given. By making simulations on the three main events of reflection events, non-reflective events and fiber cut, it can be concluded that the analog monitoring method not only can accurately detect a fiber link in different light events, but also get more information of various events.
