Uhlobo lwe-UPC isixhumi se-fiber optic siwuhlobo lwesixhumi esivamile emkhakheni wezokuxhumana we-fiber optic, lesi sihloko sizohlaziya izici zayo nokusetshenziswa kwayo.
Izici zesixhumi sohlobo lwe-UPC ye-fiber optic
1. Umumo wobuso bokuphela kwephinikhodi yesixhumi se-UPC yobuso buthuthukisiwe ukwenza ubuso bawo bushelelezi, obumise okwedome. Lo mklamo uvumela ubuso bokuphela kwe-fiber optic ukuthi bufinyelele ukusondelana lapho kudotshwa, ngaleyo ndlela kwehlise umthelela wokuboniswa kweFresnel.
2. Ukulahlekelwa kwembuyiselo ephezulu uma kuqhathaniswa nohlobo lwe-PC, i-UPC inikeza ukulahlekelwa okuphezulu kwembuyiselo, ngokuvamile ingafinyelela ngaphezu kuka-50dB, okusho ukuthi ingacindezela kangcono umthelela wokukhanya okungafunwa okubonakalayo ekusebenzeni kwesistimu.
3. Ukulahlekelwa kokufaka okuphansi Ngenxa yenqubo yokukhiqiza enembile kanye nobuchwepheshe bokupholisha bekhwalithi ephezulu, izixhumi ze-UPC ngokuvamile zikwazi ukuzuza ukulahlekelwa okuphansi kokufaka, ngokuvamile okungaphansi kuka-0.3dB, okusiza ukugcina amandla esignali nobuqotho.
Izimo zezixhumi zohlobo lwe-UPC ze-fiber optic
Ngokubuka izici ezingenhla, izixhumi ze-UPC zifanele izimo ezihlukahlukene zohlelo lokusebenza, njengemishini yenethiwekhi ye-Ethernet, i-ODF (Optical Distribution Frame) amafreyimu okusabalalisa i-fiber optic, iziguquli zemidiya kanye nokushintshwa kwe-fiber optic, njll., okuvame ukudinga ukudluliswa kwesignali ye-optical ezinzile futhi ephezulu. Kukhona futhi i-TV yedijithali nezinhlelo zocingo, ezinezidingo eziphezulu zekhwalithi yesignali, futhi inani eliphezulu lokulahlekelwa kwembuyekezo yezixhumi ze-UPC lisiza ukuqinisekisa ukunemba nokuzinza kokudluliswa kwedatha.
Kuhlanganisa futhi izinhlelo zokusebenza ezidinga ikhwalithi yesiginali ephezulu. Kuzinhlelo zokusebenza zebanga lenkampani yenethiwekhi, njengezixhumanisi zokudlulisa idatha ngaphakathi kwezikhungo zedatha noma imigqa yomgogodla kumanethiwekhi ekilasi lebhizinisi, izixhumi ze-UPC zisetshenziswa kakhulu ngenxa yokusebenza kwazo okuphezulu. Kodwa-ke, ezimweni ezithile, njengezinhlelo zokuxhumana ze-analog optical ezifana nezinhlelo ze-CATV noma ze-WDM zisebenzisa i-Raman fiber amplifiers, lapho kungase kudingeke khona izinga eliphakeme lokulawula ukulahlekelwa kokubuyisela, isixhumi se-APC singase sikhethwe ngaphezu kwe-UPC.
Isikhathi sokuthumela: Feb-06-2025