XPONNws sawv cev rau X Passive Optical Network, ib qho kev daws teeb meem broadband tshiab uas tau hloov pauv kev lag luam kev sib txuas lus. Nws muab kev sib txuas hauv internet ceev heev thiab coj ntau yam zoo rau cov neeg muab kev pabcuam thiab cov neeg siv kawg. Hauv tsab xov xwm no, peb yuav piav qhia txog XPON thiab piav qhia txhua yam koj xav paub txog qhov kev daws teeb meem broadband tshiab no.
XPON yog ib lub thev naus laus zis uas siv cov tes hauj lwm passive optical los coj kev sib txuas broadband ceev ceev rau cov tsev, cov lag luam thiab lwm lub tsev kawm ntawv. Nws siv cov fiber optical los xa cov ntaub ntawv, lub suab thiab cov teeb liab video hla kev deb nrog kev poob tsawg kawg nkaus thiab ua haujlwm tau zoo tshaj plaws. Cov thev naus laus zis muaj nyob rau hauv ntau hom, suav nrog GPON (Gigabit Passive Optical Network), EPON (Ethernet Passive Optical Network) thiab XG-PON (10 Gigabit Passive Optical Network), txhua tus muaj nws cov yam ntxwv thiab kev ua haujlwm tshwj xeeb.
Qhov zoo tshaj plaws ntawm XPON yog nws qhov kev xa cov ntaub ntawv ceev heev. Nrog XPON, cov neeg siv tuaj yeem txaus siab rau kev sib txuas hauv Is Taws Nem ceev ceev kom rub tawm lossis tso saib cov ntsiab lus multimedia siab, koom nrog kev ua si online tiag tiag, thiab ua cov haujlwm siv cov ntaub ntawv ntau nrog kev yooj yim. Qhov no yog qhov tshwj xeeb tshaj yog rau cov lag luam uas vam khom kev sib txuas hauv Is Taws Nem thiab xav tau cov kev daws teeb meem broadband ruaj khov, ceev los txhawb lawv cov haujlwm.
Ntxiv mus, XPON tes hauj lwm muaj peev xwm txhawb nqa cov neeg siv coob coob tib lub sijhawm yam tsis muaj kev ua haujlwm poob qis. Qhov no ua rau nws zoo tagnrho rau thaj chaw uas muaj neeg coob coob uas cov kev daws teeb meem broadband ib txwm muaj peev xwm raug kev cuam tshuam thiab qeeb qeeb thaum lub sijhawm siv siab tshaj plaws. Nrog XPON, cov neeg muab kev pabcuam tuaj yeem ua tau raws li qhov xav tau ntawm kev siv internet ceev ceev thiab muab kev paub txog kev tshawb nrhiav zoo rau lawv cov neeg siv khoom.
Tsis tas li ntawd xwb, XPON muaj kev ruaj ntseg thiab kev ntseeg siab dua piv rau cov kev daws teeb meem broadband ib txwm muaj. Vim tias cov ntaub ntawv raug xa mus rau fiber optics, nws nyuaj rau cov neeg nyiag khoom los cuam tshuam lossis tswj cov teeb liab. Qhov no ua kom ntseeg tau tias cov ntaub ntawv rhiab heev xws li kev lag luam online lossis cov ntaub ntawv tus kheej tseem muaj kev nyab xeeb thiab tiv thaiv. Tsis tas li ntawd xwb, XPON networks tsis tshua muaj kev cuam tshuam los ntawm cov chaw sab nraud xws li cov nthwv dej electromagnetic lossis huab cua, ua kom muaj kev sib txuas hauv internet tas mus li thiab txhim khu kev qha.
Kev tsim kom muaj lub network XPON yuav tsum tau muaj kev teeb tsa ntawm cov fiber ntau optical, optical line terminal (OLT) thiab optical network unit (ONU). Lub OLT nyob ntawm lub chaw ua haujlwm hauv nruab nrab ntawm tus neeg muab kev pabcuam lossis chaw khaws ntaub ntawv thiab yog lub luag haujlwm xa cov ntaub ntawv mus rau ONU uas tau teeb tsa ntawm tus neeg siv khoom. Tus nqi pib siv ntawm cov khoom siv no tuaj yeem siab tab sis tuaj yeem muab cov txiaj ntsig zoo rau lub sijhawm ntev, xws li cov nqi kho qis dua thiab lub peev xwm los txhim kho bandwidth tsis tas hloov tag nrho lub network.
Hauv kev xaus,XPONyog ib qho kev daws teeb meem broadband zoo tshaj plaws uas coj kev sib txuas lus hauv Is Taws Nem ceev ceev rau cov tsev, cov lag luam, thiab lwm lub koom haum. Nrog nws cov kev xa cov ntaub ntawv ceev ceev, muaj peev xwm txhawb nqa cov neeg siv coob, kev ruaj ntseg thiab kev ntseeg siab zoo dua, XPON tau dhau los ua thawj qhov kev xaiv rau cov neeg muab kev pabcuam uas tab tom nrhiav kom tau raws li qhov kev thov loj hlob ntawm Is Taws Nem ceev ceev. Los ntawm kev nkag siab txog XPON thiab nws cov txiaj ntsig, ob qho tib si cov neeg muab kev pabcuam thiab cov neeg siv kawg tuaj yeem siv cov thev naus laus zis tshiab no los qhib cov cib fim tshiab hauv lub ntiaj teb digital.
Lub sijhawm tshaj tawm: Kaum Ib Hlis-23-2023