ALEXANDRIA, Va., July 9 -- United States Patent no. 12,356,127, issued on July 8, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).
"Port detection method and apparatus" was invented by Huafeng Lin (Dongguan, China), Enyu Zhou (Dongguan, China) and Xiaofei Zeng (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a port detection method and apparatus. In the technical solutions in this application, an OLT or an ONU may determine, based on at least two wavelengths and a preset correspondence, port information that is of an optical splitter and that corresponds to the ONU. That is, a branch port directly or indirectly connected to the ONU is defined by using ...