Optic fiber transceiverndi Ethernet transmission media conversion unit yomwe imasintha ma siginecha amagetsi opindika mtunda waufupi ndi ma siginecha akutali atali.Imatchedwanso fiber converter m'malo ambiri.Mankhwalawa amagwiritsidwa ntchito m'malo enieni amtaneti pomwe chingwe cha Efaneti sichingatsekerezedwe ndipo mtunda wotumizira uyenera kukulitsidwa pogwiritsa ntchito ulusi wa kuwala, ndipo nthawi zambiri umakhala munjira yolumikizira maukonde a Broadband metropolitan area;monga: kufalitsa chithunzithunzi chapamwamba cha kanema wowunikira ndi uinjiniya wachitetezo;Kuthandizira kulumikiza mtunda womaliza wa fiber ku metro.