3105A VFL idapangidwira anthu ogwira ntchito m'magawo omwe amafunikira chida chogwira ntchito komanso chopanda ndalama kuti afufuze ulusi, kuwongolera ma fiber ndi kuyang'ana mosalekeza mu network ya optical.Kupeza podulira, kulumikizana kosakwanira, kupindika kapena kusweka kwa zingwe za fiber optic.Kupeza zolakwika za OTDR dead zone End-to-End visual fiber identification.