Intro to Networking: Power Over Ethernet

Scope and location

Publisher guidance distinguishes a power-sourcing device from a powered device and active standards-based PoE from passive power. Its terminology maps PoE to af and PoE+ to at.

PSE and PD terminology / Active and passive PoE

Open the original source

Inspected

2026-10-03

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public page

Recorded AI-assisted source inspection; not independent human approval or hardware testing.

Manufacturer guidance, not a reproduced IEEE standard. Passive power and bt are outside this worksheet; no voltage or wiring prescription is provided.

Source inspection is separate from independent technical approval, rights clearance and hardware testing.