OPGW (optical transmission line) ke thapo ea optical e sebelisoang methapong ea phepelo ea matla a phahameng e ka fetisang matšoao a matla le a optical.
Network cabling ke motheo oa ho theha likhokahano tsa marang-rang a khomphutha mme e kenyelletsa ho kenya le ho hlophisoa ha lisebelisoa tsa 'mele tse sebelisoang ho fetisa data marang-rang.