1. Isebenzisa isakhiwo esivimba amanzi omile ngokuphelele ngaphandle kokugcoba ngokugcoba. Ihlanzekile futhi iyashesha ngesikhathi sokwakha futhi ayinawo umthelela endaweni ezungezile.
2. Ubuningi be-fiber optical ephezulu, inani elikhulu lama-cores kanye nesikhala esincane
3. Ifilimu ende enezinhlangothi ezimbili embozwe nge-corrugated steel tape armour kanye ne-double-layer sheath ithuthukisa ngempumelelo ukumelana nengcindezi ye-lateral yekhebula le-optical
Ngemva kokuba ikhebula le-optical selisusiwe, kulula ukuvula i-skylight. Inethuba elibanzi lokusebenzisa kunethiwekhi yokufinyelela (ikakhulukazi i-FTTX) kanye ne-inter-office relay.