| 摘要 |
A problem detection device at an optical network unit (ONU) end in a passive optical network (PON) system and a method thereof are provided, which aim at solving the problem that the user cannot check out photo-physical data on the physical architecture, logical signal information on the logical architecture, and parameter information on the network communication protocol of the PON system economically, quickly, and accurately, once a connection error occurs at the ONU end. The technical lies in using an optical network signal to pass through the integrated optical path analysis module, the ONU module, and the network communication protocol message analysis module included in the problem detection device to achieve the detection and analysis of the problem of the ONU connection error at one time once the problem detection device is connected to the PON system.
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