Patent ID: 11962352
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC G  H | IPC H

Claim 10:
11. The device according to claim 9, wherein:
the second port is further configured to transmit an input second optical signal to the second WDM, wherein the second optical signal is a multi-wavelength signal;
the second WDM is further configured to demultiplex the second optical signal, to obtain a demultiplexed second optical signal, wherein the demultiplexed second optical signal comprises multiple spatially separated wavelength signals;
the optical splitter is further configured to split the demultiplexed second optical signal to obtain a third sub-signal and a fourth sub-signal;
the optical switch is further configured to perform optical switching on the third sub-signal;
the first port is further configured to output a third sub-signal obtained after optical switching; and
the optical monitor is further configured to perform optical performance monitoring on the fourth sub-signal.