Kuningi ukusetshenziswa kwamakhebuli e-drop fibre optical, futhi izintambo zenethiwekhi nazo zingenye yezindlela ezisetshenziswayo ze-drop fibre optical cables. Kodwa-ke, kunezinkinga ezincane nezincane ekusebenziseni izintambo ze-fiber optical, ngakho ngizoziphendula namuhla.
Umbuzo 1: Ingabe ingaphezulu lekhebula le-fiber optical lithinta ikhwalithi? Ikhebula le-fiber optical lingagcwala kanjani ngaphezulu?
Ubuso bekhebula le-optical wire lesikhumba ngokuvamile lunongqimba lwezinto ezinamafutha, umsebenzi oyinhloko ukufeza umsebenzi wokuvimbela amanzi. Isignali ye-optical idluliselwa ikakhulukazi nge-glass core ngaphakathi, ngakho-ke ngeke ithinte ikhwalithi yokudlulisela.
Umbuzo wesibili: Ikhebula lesikhumba lisetshenziswa njengentambo yenethiwekhi, futhi imbobo yenziwa ekhebula lesikhumba ngesipikili. Ingabe inawo umthelela?
Uma nje ungakwazi ukufinyelela i-Inthanethi ngokujwayelekile, akusho lutho, kodwa ngokuvamile, uma kuyikhebula lesikhumba, kunethuba eliphezulu lokuthi lizophuka. Ngokwekhebula le-fiber emhlophe, kunezintambo ezimbili kuphela kanye nentambo yefayibha eyindilinga emnyama. Ama-cores amaningi, uma kusetshenziswa amabili kuphela, amanye ama-cores awasebenzi, mhlawumbe avele adlula ama-cores amabili.
Umbuzo 3. Izintambo ezihlanganisiwe zomphakathi ze-FTTH zidinga ukusetshenziswa kwebhokisi lenethiwekhi elivamile lama-opharetha amathathu. Ibhokisi lenethiwekhi lidinga ikhebula le-fiber optic eyodwa kuphela. Mangaki ama-cores we-sheathed fibre optic cable okufanele ngiwabeke? Ngingayishisela kanjani ikhebula eli sheathed? Yini okufanele ngiyenze ngemuva kokuhlukaniswa kwe-fusion?
Kungabekwa ikhebula elilodwa kuphela, futhi isignali ngayinye inezinhlamvu ezingu-4, futhi ikhebula elingu-12-core lanele. Itheminali yomsebenzisi icushwa ngokuya ngenani. Izintambo ze-Fiber optic zingena ebhokisini le-terminal futhi zihlukaniswa ngamashubhu e-beam, angena kumagridi opharetha. Ukwandisa imojula yokugcina, kunconywa ukubeka ikhebula le-fiber optic ekugcineni. Imuphi u-opharetha okufanele asebenzise i-jumper ukuze agxumele ku-flange yomsebenzisi? Ikhebula le-fiber optic elineshehethi lineshubhu elikhethekile elishwabene ukushisa kanye neshubhu elivikelayo, elixhunywe ku-flange ngemva kokuncibilika. Kulinganiselwa ukuthi ama-opharetha amathathu azodonsa ibhokisi ngemuva, futhi izinto ezinjengokucekela phansi zizokwenzeka. Ngike ngezwa ngalo mkhuba muva nje. Amabhokisi amaningi enethiwekhi abiwayo. Ngemva kwalokho, abanye abantu bangase babangele umonakalo. Izinsiza zibonakala zilondolozwa, futhi sekuvele izinkinga. Ama-FTTH wonke angabasebenzisi be-floor-optical sub-boxes, futhi kukhona amabhokisi okuxhumana nezixhumi ekugcineni komsebenzisi, azophuka kalula. Kunezinsimbi ezikhethekile zokushisela ze-pigtail ne-pigtail fibre optic cable pigtails. Uhlangothi lomsebenzisi lungasebenzisa izintambo ze-butterfly fibre optic ezakhiwe ngaphambili noma izintambo ze-butterfly fibre optic kanye ne-pigtails ukuze kuhlanganiswe ngokushisa (ku-fiber optic disk noma kusetshenziswa umkhono wokuvikela oshisayo); Uhlangothi lwezintambo lungethulwa ngamakhebuli amathathu okukhanya omphakathi owodwa, ngayinye ithatha ishubhu elihlukile elixegayo emabhokisini azo futhi ahlanganiswe ne-pigtail (up-link pigtail noma up-link splitter we-optical splitter).