A cewar ƙamus, kebul na Ethernet wani nau'in kebul ne da ake amfani da shi don haɗa kwamfutoci, masu amfani da hanyar sadarwa, masu sauyawa, ko wasu na'urorin cibiyar sadarwa tare don samar da cibiyar sadarwa ta gida (LAN). Ethernet igiyoyin yawanci suna da masu haɗin RJ45 a kan iyakar biyu kuma an tsara su don watsa bayanai a cikin babban sauri sama da gajere zuwa matsakaici, yawanci har zuwa mita 100. Suna amfani da murɗaɗɗen wayoyi guda biyu don rage tsangwama na lantarki da haɓaka ingancin watsa bayanai, kuma suna zuwa cikin nau'i daban-daban, kamar Cat5, Cat6, da Cat7, kowannensu yana da ƙayyadaddun bayanai daban-daban don saurin gudu da bandwidth.