| 摘要 |
A device and method of optical fiber condition monitoring in optical networks is described. The front end of each branch of the optical network is installed with an optical filter that can filter an optical signal with a different wavelength. Optical signals of different wavelengths enter each of the branches in sequence for analysis, so that the condition of each branch on the optical network can be determined. This solves the problem of interference among the branches when monitoring the optical fiber condition on an optical network.
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