What is PoE – What is PSE
The PSE is the equipment that provides power to PDs. The PSE’s main functions are:
To search the link section for a PD.
Optionally classify the PD.
Supply power to the link section. (only if a PD is detected)
Monitor the power on the link section.
802.3af defines two types of power source equipment: Endpoint and Mid-span.
Endpoint refers to an Ethernet switch with embedded Power over Ethernet technology.
Midspan devices are usually placed between legacy switches and the powered devices.
With PoE injector built-in, ED’s PoE switch products
are perfect solution for Endpoint applications.