POE (mphamvu pa Ethernet) amatanthauza ukadaulo wotumizira mphamvu kudzera pa chingwe cha netiweki.Mothandizidwa ndi Efaneti yomwe ilipo, imatha kutumiza nthawi imodzi ndikupereka mphamvu ku zida za IP terminal (monga IP foni, AP, IP kamera, ndi zina) kudzera pa chingwe cha netiweki.

Poe imadziwikanso kuti mphamvu pa LAN (POL) kapena Ethernet yogwira ntchito, yomwe nthawi zina imatchedwa Ethernet magetsi.

Pofuna kukhazikika ndi kulimbikitsa chitukuko cha ukadaulo wamagetsi a Poe ndikuthana ndi vuto la kusinthika pakati pa magetsi ndi zida zolandirira magetsi kuchokera kwa opanga osiyanasiyana, komiti yoyang'anira miyezo ya IEEE yatulutsa motsatizana mfundo zitatu za Poe: IEEE 802.3af standard, IEEE 802.3at standard and IEEE 802.3bt muyezo.