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Power over Ethernet
Delivering electrical power over the same network cable that carries data, so phones, cameras and access points need no separate power supply.
Switch PoE budget is routinely under-specified. Thirty devices needing 25 W each is 750 W — well beyond many switches, and it fails only once everything is plugged in.
All glossary termsA free survey gets you a plain-language picture of what you have and what you actually need.
