ThePoE canzani acanzawanda ke goyan bayan wutar lantarki zuwa kebul na cibiyar sadarwa. Idan aka kwatanta da talakawacanza, tashar karɓar wutar lantarki (kamar AP, kyamarar dijital, da dai sauransu) baya buƙatar yin waya don samar da wutar lantarki, kuma amincin dukkanin hanyar sadarwa ya fi girma.
Bayanin Power Over Ethernet (POE) POE (Power Over Ethernet) yana nufin amfani da tashoshi na tushen IP (kamar wayoyin IP, wuraren samun damar LAN mara waya (APs, kyamarori na cibiyar sadarwa, da sauransu) na iya samar da fasahar samar da wutar lantarki ta DC don irin wannan. na'urori yayin watsa siginar bayanai Fasahar POE na iya tabbatar da aikin yau da kullun na cibiyar sadarwar da ke akwai yayin da ke tabbatar da amincin kebul ɗin da aka tsara, rage farashin.
POE kuma ana kiranta da tsarin samar da wutar lantarki bisa tsarin sadarwar gida (POL, Power over LAN) ko Active Ethernet (Active Ethernet), wani lokacin kuma ana kiranta Power over Ethernet a takaice. Wannan shine amfani da madaidaitan kebul na watsa Ethernet na yau da kullun don watsa bayanai da wutar lantarki a lokaci guda Sabbin ƙa'idodi da ƙayyadaddun bayanai, da kiyaye dacewa tare da tsarin Ethernet da masu amfani da ke akwai. IEEE
Ma'auni na 802.3af sabon ma'auni ne dangane da POE na tsarin samar da wutar lantarki na Ethernet. Yana ƙara ma'auni masu alaƙa don samar da wutar lantarki kai tsaye ta hanyar kebul na cibiyar sadarwa akan tushen IEEE802.3. Yana da tsawo na ma'aunin Ethernet na yanzu da kuma ma'aunin rarraba wutar lantarki na duniya na farko. misali.
IEEE ya fara haɓaka ma'auni a cikin 1999, kuma farkon masu siyar da shiga sune 3Com, Intel, PowerDsine, Nortel, Mitel, da Semiconductor na ƙasa. Duk da haka, gazawar wannan ma'auni ya kasance yana hana faɗaɗa kasuwa. Har zuwa Yuni 2003, IEEE ta amince da ma'auni na 802.3af, wanda ke ƙayyadaddun gano wutar lantarki da al'amurran sarrafawa a cikin tsarin nesa, kuma yana haɗawa.hanyoyin sadarwa, sauyawa, da cibiyoyi zuwa wayoyin IP, tsarin tsaro, da wuraren samun damar LAN mara waya ta igiyoyin Ethernet. Ana daidaita yanayin samar da wutar lantarki na kayan aiki. Haɓaka IEEE802.3af ya haɗa da ƙoƙarin ƙwararrun masanan kamfanoni, wanda kuma ya ba da damar gwada ma'auni ta kowane fanni.
