Patent ID: 11876382
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. A method implemented by power sourcing equipment, the method comprising:
separately sending a plurality of load adjustment indications to a plurality of powered devices by using a plurality of data ports, wherein each load adjustment indication instructs one of the powered devices to perform a load adjustment, wherein a plurality of power supply ports of the power sourcing equipment are configured to connect to the powered devices by using a plurality of power supply cables, and wherein the data ports are configured to connect to the powered devices by using a plurality of data cables;
obtaining output power changes of power supply ports caused by load adjustment of the powered devices; and
identifying, based on a binary sequence of output power from one of the power supply ports matching one of the load adjustment indications from one of the data ports, that the one of the data ports and the one of the power supply ports are connected to a same one of the powered devices.