Transceiver fiber na gani shine matsakaicin jujjuyawar watsawa ta Ethernet wanda ke musayar nau'i-nau'i na gajeriyar nisa don haɗa siginar lantarki tare da siginar gani mai nisa. Har ila yau, an san shi azaman mai canza wutar lantarki a wurare da yawa. Ana amfani da wannan samfur gabaɗaya a ainihin mahallin cibiyar sadarwa, inda igiyoyin Ethernet ba za a iya rufe su ba, kuma dole ne a yi amfani da filaye na gani don tsawaita nisan watsawa. Yawancin lokaci ana sanya shi a layin samun damar amfani da hanyoyin sadarwa na yanki na fiber na gani na fiber na gani; a lokaci guda, yana taimakawa wajen haɗa mil na ƙarshe na filaye na gani. zuwa birni. Cibiyoyin sadarwa na yanki na gida da na waje suma suna taka rawar gani sosai.
A taƙaice, rawar da fiber optic transceiver shine jujjuyawar juna tsakanin siginar gani da siginar lantarki. Sigina na gani shine shigarwa daga tashar tashar gani, kuma siginar lantarki yana fitowa daga tashar lantarki (na kowa RJ45 crystal head interface), kuma akasin haka. Tsarin yana da kusan: canza siginar lantarki zuwa siginar gani, watsa ta hanyar fiber na gani, sannan canza siginar siginar zuwa siginar lantarki a ɗayan ƙarshen, sannan haɗa shi zuwa siginar gani.hanyoyin sadarwa, masu sauyawada sauran kayan aiki.