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

Claim 14:
15. Power sourcing equipment, comprising:
a plurality of data ports configured to be connected to powered devices using data cables;
a plurality of power supply ports configured to be connected to the powered devices using power supply cables;
a power supply management circuit configured send output power changes of the power supply ports from a load adjustment of the powered devices; and
one or more processors communicatively connected to the data ports, the power supply ports, and the power supply management circuit and configured to:
separately send a plurality of load adjustment indications to the powered devices by using the data ports, wherein each load adjustment indication instructs one of the powered devices to perform the load adjustment;
obtain, from the power supply management circuit, output power changes caused by the load adjustment of the powered devices; and
identify, 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.