3105A VFL e etselitsoe basebetsi ba masimong ba hlokang sesebelisoa se sebetsang hantle le se nang le chelete e ngata bakeng sa ho lekola fiber, ho tsamaisa likhoele le ho tsoela pele ho lekola marang-rang a optical.E kenyeletsa.Ho fumana moo ho robehileng teng, dikgokelo tse fokolang, ho kobeha kapa ho phunyeha ha mehala ya faeba optic.Ho fumana liphoso tsa OTDR dead zone End-to-End visual fiber identification.