I-XPONimele i-X Passive Optical Network, ikhambi le-broadband elisezingeni eliphezulu eliye laguqula imboni yezokuxhumana. Ihlinzeka ngokuxhumeka kwe-inthanethi okusheshayo kakhulu futhi iletha izinzuzo eziningi kubahlinzeki bezinsizakalo nakubasebenzisi bokugcina. Kulesi sihloko, sizochaza i-XPON futhi sichaze konke okudingeka ukwazi ngalesi sixazululo se-broadband esisha.
I-XPON ubuchwepheshe obusebenzisa amanethiwekhi e-optical angasebenzi ukuletha ukuxhumana kwe-broadband okusheshayo emakhaya, emabhizinisini nakwezinye izikhungo. Isebenzisa i-optical fiber ukudlulisa amasignali edatha, izwi kanye nevidiyo emabangeni amade ngokulahlekelwa okuncane kanye nokusebenza kahle okukhulu. Ubuchwepheshe butholakala ngezinhlobo eziningana, kufaka phakathi i-GPON (Gigabit Passive Optical Network), i-EPON (Ethernet Passive Optical Network) kanye ne-XG-PON (10 Gigabit Passive Optical Network), ngayinye inezici zayo ezithile kanye nokusebenza kwayo.
Inzuzo eyinhloko ye-XPON ukuthi ijubane layo lokudlulisa idatha liyamangalisa. Nge-XPON, abasebenzisi bangajabulela ukuxhumana kwe-inthanethi okusheshayo ukuze balande noma basakaze ngokushesha okuqukethwe kwe-multimedia okunencazelo ephezulu, bahlanganyele emidlalweni ye-inthanethi yesikhathi sangempela, futhi baphathe imisebenzi edinga idatha kalula. Lokhu kuzuzisa kakhulu amabhizinisi athembele kakhulu ekuxhumekeni kwe-inthanethi futhi adinga izixazululo ze-broadband ezizinzile nezisheshayo ukusekela imisebenzi yawo.
Ngaphezu kwalokho, amanethiwekhi e-XPON ayakwazi ukusekela inani elikhulu labasebenzisi ngesikhathi esisodwa ngaphandle kokwehlisa ukusebenza. Lokhu kwenza kube kuhle ezindaweni ezinabantu abaningi lapho izixazululo ze-broadband zendabuko zingaba nokuminyana kanye nesivinini esisheshayo ngezikhathi zokusetshenziswa okuphezulu. Nge-XPON, abahlinzeki bezinsizakalo bangahlangabezana kalula nesidingo esikhulayo se-inthanethi esheshayo futhi banikeze ulwazi lokuphequlula olungenamthungo kumakhasimende abo.
Ngaphezu kwalokho, i-XPON inikeza ukuphepha okuthuthukisiwe kanye nokuthembeka uma kuqhathaniswa nezixazululo ze-broadband zendabuko. Ngenxa yokuthi idatha idluliselwa nge-fiber optics, kunzima ngabaduni ukubamba noma ukushintsha isignali. Lokhu kuqinisekisa ukuthi ulwazi olubucayi njengokuthengiselana kwe-inthanethi noma idatha yomuntu siqu luhlala luphephile futhi luvikelwe. Ngaphezu kwalokho, amanethiwekhi e-XPON awathinteki kakhulu ekuphazamisekeni okuvela emithonjeni yangaphandle njengamaza kagesi noma izimo zezulu, okuqinisekisa uxhumano lwe-inthanethi oluqhubekayo noluthembekile.
Ukusungula inethiwekhi ye-XPON kudinga ukufakwa kwe-optical fiber, i-optical line terminal (OLT) kanye ne-optical network unit (ONU). I-OLT itholakala ehhovisi eliphakathi lomhlinzeki wesevisi noma esikhungweni sedatha futhi inesibopho sokudlulisa idatha ku-ONU efakwe endaweni yomsebenzisi. Izindleko zokuqala zokusebenzisa le ngqalasizinda zingaba phezulu kodwa zinganikeza izinzuzo ezibalulekile zesikhathi eside, njengezindleko zokulungisa eziphansi kanye nekhono lokuthuthukisa umthamo we-bandwidth ngaphandle kokushintsha yonke inethiwekhi.
Ngokufigqiwe,I-XPONiyisisombululo se-broadband sesimanje esiletha ukuxhumana kwe-inthanethi okusheshayo emakhaya, emabhizinisini nakwezinye izikhungo. Ngesivinini sayo sokudlulisa idatha esisheshayo, ikhono lokusekela inani elikhulu labasebenzisi, ukuphepha okuthuthukisiwe nokuthembeka, i-XPON ibe yisinqumo sokuqala sabahlinzeki bezinsizakalo abafuna ukuhlangabezana nesidingo esikhulayo se-inthanethi esheshayo. Ngokuqonda i-XPON nezinzuzo zayo, bobabili abahlinzeki bezinsizakalo kanye nabasebenzisi bokugcina bangasebenzisa lobu buchwepheshe obusezingeni eliphezulu ukuvula amathuba amasha ezweni ledijithali.
Isikhathi sokuthunyelwe: Novemba-23-2023