Port detection method, optical network device, and passive optical network system
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United States of America Patent
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Oct 1, 2024
Grant Date -
Aug 4, 2022
app pub date -
Apr 22, 2022
filing date -
Oct 23, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
This application provides a port detection method, an optical network device, and a passive optical network system, to quickly and accurately detect a port connected to an ONU, and improve efficiency of determining the port connected to the ONU. The method includes: an optical line terminal sends optical signals corresponding to all of N wavelengths to at least one optical network unit, where the N wavelengths are different from each other, and N is a positive integer; the OLT receives optical power values that are of the optical signals corresponding to all of the N wavelengths and that are sent by a first ONU, where the first ONU is any one of the at least one ONU; and the OLT determines, bases on the optical power values of the optical signals corresponding to all of the N wavelengths, information about an optical splitter port corresponding to the first ONU.
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