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Izwe lamanje lithembele kakhulu ekushintshaneni kolwazi okuthembekile nokusheshayo. Okuhle kakhulu, izidingo ezikhulayo zamazinga edatha amakhulu zidlule umthamo wesistimu yamanje. Ubuchwepheshe benethiwekhi ye-optical (PON) obusesikhathini samanje, bube yizakhiwo eziyinhloko zokuhlangabezana nokukhula komthamo wesidingo sabasebenzisi bokugcina. Njengoba i-PON iqhubeka nokuthuthuka ibe yisilinganiso sedatha esingaphezu kwe-100 Gbps, ubuchwepheshe be-PON obusekelwe ekutholeni ukuguquguquka kokuqina-okuqondile buye baphoqeleka ukwamukela izidingo ezikhula ngokushesha. Ikakhulukazi, ubuchwepheshe be-PON obuqondile bushintshe indlela abantu abadlulisela ngayo idatha ngamanethiwekhi e-fiber-optic. Ngokusebenzisa amasu okuguquguquka athuthukile kanye nokucubungula isignali yedijithali, i-PON eqondile ikhulise kakhulu umthamo kanye nokufinyelela kwezinhlelo ze-PON. Lokho kuye kwavumela ukuxhumana ngocingoizinkampani zizoletha izinsizakalo ze-inthanethi ezisheshayo kanye nezinye idatha kubabhalisile abaningi ngokuthembeka nokusebenza kahle okuthuthukisiwe.
Ukusetshenziswa kobuchwepheshe be-PON obuhambisanayo
Ubuchwepheshe be-Coherent PON bunezinhlelo zokusebenza eziningana ezingaba khona emikhakheni eyahlukene. Ezinye zezinhlelo zokusebenza ezibalulekile zifaka:
Imboni Yezokuxhumana
Imikhiqizo yobuchwepheshe be-PON ehambisanayo efanaZonke Izintambo Ezizisekelayo Ze-Dielectric(ADSS),ucingo lomhlabathi olubonakalayo(OPGW), ikhebula le-pigtail kanye nekhebula le-optic lingasetshenziswa embonini yezokuxhumana ukuze kulethwe izinsizakalo ze-broadband ezisheshayo kumakhasimende asekhaya namabhizinisi. Ngokusebenzisa ama-optics ahambisanayo, abaqhubi bezokuxhumana bangafinyelela umthamo wenethiwekhi ophakeme kanye nokufinyelela isikhathi eside, banikeze isivinini se-inthanethi esisheshayo kakhulu futhi basekele izinhlelo zokusebenza ezilambele i-bandwidth njengokusakaza ividiyo, izinsizakalo zamafu, kanye nokuhlangenwe nakho kweqiniso elingokoqobo.
Izikhungo Zedatha
Imikhiqizo ye-PON ehambisanayo njenge-optical ground wire (OPGW), ikhebula le-pigtail, kanye nekhebula le-optic ingasetshenziswa ezikhungweni zedatha ukuze kuvunyelwe ukuxhumana okusebenzayo nokungakhuliswa. Izinhlangano zingathuthukisa amakhono okudlulisa idatha ngokuhlanganisa i-PON ehambisanayo kuzakhiwo zesikhungo sedatha, ukunciphisa ukubambezeleka, kanye nokuthuthukisa ukusebenza kwenethiwekhi iyonke. Lokho kungaholela ekuphathweni kwedatha okungcono, ukufinyelela okusheshayo kolwazi, kanye nokusekelwa kobuchwepheshe obusha njengokufunda komshini kanye nobuhlakani bokwenziwa.
Amadolobha Ahlakaniphile
Esinye isicelo esithembisayo sobuchwepheshe be-PON obuhambisanayo sisekuthuthukiseni amadolobha ahlakaniphile. Ngokusebenzisa amanethiwekhi e-PON ahambisanayo, omasipala bangakha ingqalasizinda eqinile neguquguqukayo ukusekela izinhlelo eziningi ezintsha zedolobha, njengokukhanya okuhlakaniphile, ukuphathwa kwethrafikhi, ukuqapha imvelo, kanye nezinhlelo zokuphepha komphakathi. Lawa manethiwekhi avumela ukwabelana ngedatha, ukuhlaziya ngesikhathi sangempela, kanye nokuxhumana okuthuthukisiwe, okufaka isandla ekuthuthukisweni okusebenzayo nokusimeme ezindaweni zasemadolobheni.
Izinsizakalo ze-Broadband Ezithuthukisiwe
Ubuchwepheshe be-PON obuhambisanayo bungaletha izinsizakalo ze-broadband ezithuthukisiwe kubasebenzisi bokugcina. Ngokusebenzisa amasu okudlulisa ahambisanayo, amanethiwekhi e-PON angasekela amazinga aphezulu edatha kanye nezinhlelo zokusebenza ezisebenzisa i-bandwidth, njengokusakaza ividiyo ye-ultra-HD, i-virtual reality, kanye nokudlala ku-inthanethi. Lokho kwenza abahlinzeki bezinsizakalo bakwazi ukunikeza ababhalisile babo ulwazi olungcono kakhulu, okuhlangabezana nesidingo esikhulayo sokuxhumeka kwe-inthanethi okusheshayo.
Ukufinyelela Okungaguquki Kweselula Okuhlanganisiwe
Ubuchwepheshe be-PON obuhambisanayo buvumela ukuhlangana kwamanethiwekhi okufinyelela agxilile kanye naweselula. Abaqhubi bangaletha ukuxhumana okungenamthungo kwe-broadband yomugqa ogxilile kanye nokusafufusa5Gizinsizakalo zeselulangokuhlanganisa ama-optics ahambisanayo nengqalasizinda ye-PON ekhona. Lokhu kuhlangana kwenza kube lula ukwakheka kwenethiwekhi futhi kuvula indlela yamaphakheji ezinsizakalo ezintsha kanye nokuhlangenwe nakho okuhlukahlukene kwabasebenzisi bokugcina.
Ukusikwa Kwenethiwekhi Nokwenziwa Kwe-Virtualization
Esinye isicelo esibalulekile sobuchwepheshe be-coherent PON ukusekelwa kwayo kokusikwa kwenethiwekhi kanye nokwenza i-virtualization. Leli khono livumela opharetha ukuthi bahlukanise ingqalasizinda ye-PON ebonakalayo ibe ama-PON amaningi abonakalayo, ngalinye lenzelwe izinsizakalo ezithile noma izingxenye zamakhasimende. Ngokwabela izinsiza ngokuguquguqukayo nokuzivumelanisa nezidingo ezishintshayo, amanethiwekhi e-coherent PON angenza ngcono ukusebenza, athuthukise ukuguquguquka, futhi asebenzise izinsizakalo ezahlukahlukene ngempumelelo.
Izinzuzo zobuchwepheshe be-PON
Kulula ukunakekela
I-PON ithatha indawo yamanethiwekhi ethusi asengozini yomsindo kanye nokuphazamiseka kwe-electromagnetic. Njengenketho, amanethiwekhi e-PON awahlushwa ukuphazamiseka okunjalo futhi angagcina ubuqotho besiginali ngaphakathi kwebanga elihleliwe. Njengoba kulula ukuthi umuntu abone futhi abone imithombo yokulahlekelwa ku-PON, lawa manethiwekhi kuba lula ukuwaxazulula nokulungisa.
Amandla okusekela amazinga edatha alinganayo nangafani
Inzuzo eyodwa ebalulekile yobuchwepheshe be-PON obuhambisanayo yikhono layo lokusekela amazinga edatha alinganayo nangafani, okuvumela ukuthunyelwa okuguquguqukayo kuzakhiwo ezahlukene zenethiwekhi. Ngaphezu kwalokho, ukutholwa okuvumelanayo kuvumela uhlelo ukuthi lukhokhele ukukhubazeka kwengqalasizinda yefayibha, okuholela ekhwalithini engcono yesiginali kanye nesivinini sokudlulisa esiphezulu.
Ubuchwepheshe be-PON obuhambisanayo buguqula indlela amanethiwekhi okufinyelela okubonakalayo aklanywa futhi asetshenziswa ngayo. Izinhlelo zayo eziningi zishintsha imboni yezokuxhumana, zinikeza ukusebenza okuthuthukisiwe kanye nokukhula. Ukusetshenziswa kobuchwepheshe be-PON obuhambisanayo kuhlanganisa imikhakha ehlukahlukene, okuhlanganisa ukuxhumana, amanethiwekhi ebhizinisi, kanye nezinsizakalo ze-broadband zokuhlala. Lezi zinhlelo zokusebenza ziqokomisa ukuguquguquka kanye nomthelela wobuchwepheshe be-PON obuhambisanayo ekuqhubekiseni ukuvela kwamanethiwekhi okufinyelela okubonakalayo kanye nokuhlangabezana nezidingo zokuxhumeka kwesizukulwane esilandelayo. Njengoba isidingo sokuxhumeka okusheshayo nokuthembekile siqhubeka nokukhula, ubuchwepheshe be-PON obuhambisanayo kulindeleke ukuthi budlale indima ebalulekile ekuhlangabezaneni nalezi zidingo kanye nokubumba ikusasa lokuxhumana kwenethiwekhi okubonakalayo.
