A city hall closet powers an AP from a PoE switch port. Which role assignment is correct?
Select an answer to reveal the explanation.
Short Explanation
Remember who is hungry and who is cooking: the AP eats power (PD), the switch cooks and serves it (PSE). Flip those labels and every PoE diagram starts lying to you.
Full Explanation
In IEEE 802.3 PoE terms, power sourcing equipment (PSE) supplies power—typically a PoE switch or injector—and the powered device (PD) consumes it—typically the AP. Correct PD versus PSE identification helps technicians place blame when an AP fails to boot: check PSE budget and cabling versus PD negotiation.