Raws li cov ntaub ntawv tseem ceeb, feem pua ntawm cov neeg siv FTTH/FTTP/FTTB broadband thoob ntiaj teb yuav ncav cuag 59% hauv xyoo 2025. Cov ntaub ntawv los ntawm lub tuam txhab tshawb fawb kev lag luam Point Topic qhia tau hais tias qhov kev loj hlob no yuav siab dua 11% dua li qib tam sim no.
Point Topic kwv yees tias yuav muaj 1.2 billion tus neeg siv broadband thoob ntiaj teb thaum kawg ntawm xyoo 2025. Hauv ob xyoos thawj zaug, tag nrho cov neeg siv broadband thoob ntiaj teb tau tshaj 1 billion.
Kwv yees li ntawm 89% ntawm cov neeg siv no nyob hauv 30 lub lag luam saum toj kawg nkaus thoob ntiaj teb. Hauv cov lag luam no, FTTH thiab cov thev naus laus zis cuam tshuam yuav feem ntau yuav tau txais feem ntawm kev lag luam los ntawm xDSL, thiab feem ntawm kev lag luam xDSL yuav poob ntawm 19% mus rau 9% thaum lub sijhawm kwv yees. Txawm hais tias tag nrho cov neeg siv fiber rau lub tsev (FTTC) thiab VDSL thiab DOCSIS-based hybrid fiber/coaxial cable (HFC) yuav nce siab thaum lub sijhawm kwv yees, feem ntawm kev lag luam yuav tseem ruaj khov. Ntawm lawv, FTTC yuav suav txog li ntawm 12% ntawm tag nrho cov kev sib txuas, thiab HFC yuav suav txog 19%.
Qhov tshwm sim ntawm 5G yuav tsum tiv thaiv cov ntawv thov broadband thaum lub sijhawm kwv yees. Ua ntej 5G raug xa mus, nws tseem tsis tuaj yeem kwv yees tau tias kev ua lag luam yuav raug cuam tshuam ntau npaum li cas.
Tsab xov xwm no yuav piv rau Passive Optical Network (PON) kev nkag mus rau thev naus laus zis thiab Active Optical Network (AON) kev nkag mus rau thev naus laus zis raws li cov yam ntxwv ntawm cov zej zog nyob hauv kuv lub tebchaws, thiab tshuaj xyuas qhov zoo thiab qhov tsis zoo ntawm nws daim ntawv thov hauv cov zej zog nyob hauv Suav teb. , Los ntawm kev piav qhia ntau yam teeb meem tseem ceeb hauv kev siv FTTH kev nkag mus rau thev naus laus zis hauv cov cheeb tsam nyob hauv kuv lub tebchaws, kev sib tham luv luv txog kuv lub tebchaws cov tswv yim tsim nyog rau kev tsim cov thev naus laus zis FTTH.
1. Cov yam ntxwv ntawm kuv lub teb chaws lub hom phiaj FTTH
Tam sim no, lub hom phiaj tseem ceeb rau FTTH hauv Suav teb yog cov neeg nyob hauv cov zej zog nyob hauv cov nroog loj, nruab nrab thiab me. Cov zej zog nyob hauv nroog feem ntau yog cov zej zog nyob hauv vaj. Lawv cov yam ntxwv zoo tshaj plaws yog: muaj tsev neeg coob. Cov zej zog nyob hauv vaj feem ntau muaj 500-3000 tus neeg nyob, thiab qee qhov txawm tias muaj kaum tawm txhiab tus tsev neeg; cov zej zog nyob (suav nrog cov tsev lag luam) feem ntau muaj cov chav sib txuas lus rau kev teeb tsa cov khoom siv sib txuas lus thiab kev xa xov thoob plaws hauv zej zog. Qhov kev teeb tsa no yog qhov yuav tsum tau ua rau cov neeg teb xov tooj sib tw thiab koom ua ke ntau yam kev pabcuam sib txuas lus. Qhov deb ntawm chav computer mus rau tus neeg siv feem ntau tsawg dua 1km; cov neeg teb xov tooj loj thiab cov neeg teb xov tooj TV feem ntau tau tso cov xov tooj me me (feem ntau yog 4 txog 12 cores) rau cov chav computer ntawm cov tsev nyob lossis cov tsev lag luam; kev sib txuas lus hauv tsev thiab kev nkag mus rau CATV hauv zej zog Cov peev txheej Cable yog rau txhua tus neeg teb xov tooj. Lwm yam ntxwv ntawm kuv lub teb chaws lub hom phiaj FTTH yog qhov muaj cov teeb meem kev lag luam hauv kev muab cov kev pabcuam telecom: cov neeg teb xov tooj tsis raug tso cai ua haujlwm CATV cov kev pabcuam, thiab qhov xwm txheej no tsis tuaj yeem hloov pauv rau lub sijhawm ntev yav tom ntej.
2. Kev xaiv FTTH Access Technology hauv kuv lub tebchaws
1) Cov teeb meem uas ntsib los ntawm passive optical network (PON) hauv FTTH daim ntawv thov hauv kuv lub tebchaws
Daim Duab 1 qhia txog cov qauv network thiab kev faib tawm ntawm lub network passive optical network (Passive Optical Network-PON). Nws cov yam ntxwv tseem ceeb yog: optical line terminal (Optical Line Terminal-OLT) muab tso rau hauv chav computer hauv nruab nrab ntawm tus neeg teb xov tooj, thiab passive optical splitters muab tso rau (Splitter). ) Nyob ze li sai tau rau lub optical network unit (Optical Network Unit—ONU) ntawm sab neeg siv. Qhov deb ntawm OLT thiab ONU yog sib npaug rau qhov deb ntawm chav computer hauv nruab nrab ntawm tus neeg teb xov tooj thiab tus neeg siv, uas zoo ib yam li qhov deb ntawm kev nkag mus rau xov tooj tam sim no, uas feem ntau yog ntau kilometers, thiab Splitter feem ntau yog kaum tawm meters txog ntau pua meters ntawm ONU. Cov qauv thiab kev teeb tsa ntawm PON no qhia txog qhov zoo ntawm PON: tag nrho lub network los ntawm chav computer hauv nruab nrab mus rau tus neeg siv yog lub network passive; ntau cov fiber optic cable los ntawm chav computer hauv nruab nrab mus rau tus neeg siv raug txuag; vim nws yog ib-rau-ntau, tus lej ntawm cov khoom siv hauv chav computer hauv nruab nrab raug txo qis thiab Scale, txo tus lej ntawm cov xov hlau hauv chav computer hauv nruab nrab.
Qhov kev teeb tsa zoo tshaj plaws ntawm lub network optical passive (PON) hauv thaj chaw nyob: OLT muab tso rau hauv chav computer hauv nruab nrab ntawm tus neeg teb xov tooj. Raws li lub hauv paus ntsiab lus uas Splitter nyob ze rau tus neeg siv li sai tau, Splitter muab tso rau hauv lub thawv faib khoom hauv pem teb. Nws yog qhov tseeb tias qhov kev teeb tsa zoo tshaj plaws no tuaj yeem qhia txog qhov zoo ntawm PON, tab sis nws yuav ua rau muaj teeb meem hauv qab no: Ua ntej, xav tau cov xov hlau fiber ntau los ntawm chav computer hauv nruab nrab mus rau thaj chaw nyob, xws li 3000 lub tsev nyob, xam ntawm qhov sib piv ntawm 1:16, Yuav luag 200-core optical fiber cable xav tau, tab sis tam sim no tsuas yog 4-12 cores, nws nyuaj heev rau kev nce qhov kev teeb tsa ntawm optical cable; qhov thib ob, cov neeg siv tsis tuaj yeem xaiv tus neeg teb xov tooj, tsuas yog xaiv tau qhov kev pabcuam los ntawm ib tus neeg teb xov tooj, thiab nws yog qhov tsis zam uas ib tus neeg teb xov tooj monopolizes. Qhov xwm txheej lag luam tsis zoo rau kev sib tw ntawm ntau tus neeg teb xov tooj, thiab cov txiaj ntsig ntawm cov neeg siv tsis tuaj yeem tiv thaiv tau zoo. Qhov thib peb, cov khoom faib tawm passive optical uas muab tso rau hauv lub thawv faib khoom hauv pem teb yuav ua rau cov nodes faib khoom tawg heev, ua rau nyuaj heev rau kev faib, kev saib xyuas thiab kev tswj hwm. Nws yuav luag tsis yooj yim sua; qhov thib plaub, nws tsis yooj yim sua kom txhim kho kev siv cov khoom siv network thiab nws cov chaw nkag, vim tias nyob rau hauv qhov kev pab cuam ntawm ib qho PON, tus nqi nkag mus rau tus neeg siv nyuaj rau ua tiav 100%.
Qhov kev teeb tsa tiag tiag ntawm lub network passive optical (PON) hauv thaj chaw nyob: OLT thiab Splitter ob leeg muab tso rau hauv chav computer ntawm thaj chaw nyob. Qhov zoo ntawm qhov kev teeb tsa tiag tiag no yog: tsuas yog xav tau cov cables fiber optic qis-core los ntawm chav computer hauv nruab nrab mus rau thaj chaw nyob, thiab cov khoom siv cable optical uas twb muaj lawm tuaj yeem ua tau raws li qhov xav tau; cov kab nkag ntawm tag nrho thaj chaw nyob yog wired hauv chav computer ntawm thaj chaw nyob, tso cai rau cov neeg siv xaiv cov neeg teb xov tooj sib txawv. Rau cov neeg teb xov tooj, lub network yooj yim heev rau kev muab, tswj thiab tswj; vim tias cov khoom siv nkag thiab cov vaj huam sib luag nyob hauv tib chav cell, nws yuav tsis ntseeg tias txhim kho qhov chaw nres nkoj siv ntawm cov khoom siv, thiab cov khoom siv nkag tuaj yeem nthuav dav maj mam raws li qhov nce ntawm cov neeg siv nkag. . Txawm li cas los xij, qhov kev teeb tsa tiag tiag no kuj muaj nws qhov tsis zoo: Ua ntej, cov qauv network ntawm kev pov tseg PON yog qhov zoo tshaj plaws ntawm cov network passive, thiab chav computer hauv nruab nrab rau lub network neeg siv tseem yog lub network nquag; qhov thib ob, nws tsis txuag cov khoom siv cable fiber optic vim yog PON; , PON khoom siv muaj tus nqi siab thiab cov qauv network nyuaj.
Hauv kev xaus, PON muaj ob sab tsis sib xws hauv daim ntawv thov FTTH ntawm cov chaw nyob: Raws li cov qauv network zoo tagnrho thiab kev teeb tsa ntawm PON, nws yeej tuaj yeem ua si rau nws cov txiaj ntsig qub: tag nrho lub network los ntawm chav computer hauv nruab nrab mus rau tus neeg siv yog lub network passive, uas txuag tau ntau chav computer hauv nruab nrab Rau tus neeg siv cov peev txheej fiber optic cable, tus lej thiab qhov loj ntawm cov khoom siv hauv chav computer hauv nruab nrab tau yooj yim; txawm li cas los xij, nws kuj coj qhov tsis txaus ntseeg yuav luag tsis lees paub: kev nce ntxiv ntawm kev tso cov kab fiber optic cable yog qhov xav tau; cov nodes faib tawm tau tawg, thiab kev faib tus lej, kev saib xyuas thiab kev tswj hwm yog qhov nyuaj heev; cov neeg siv tsis tuaj yeem xaiv tau dawb Cov neeg ua haujlwm tsis zoo rau kev sib tw ntau tus neeg ua haujlwm, thiab cov txiaj ntsig ntawm cov neeg siv tsis tuaj yeem lav tau zoo; kev siv cov khoom siv network thiab nws cov chaw nkag mus tsawg. Yog tias qhov kev teeb tsa tiag tiag ntawm lub network passive optical network (PON) hauv lub chaw nyob tau txais yuav, cov peev txheej optical cable uas twb muaj lawm tuaj yeem ua tau raws li qhov xav tau. Chav computer ntawm lub zej zog yog uniformly wired, uas yooj yim heev rau kev muab, tswj thiab tswj cov lej. Cov neeg siv khoom tuaj yeem xaiv tus neeg teb xov tooj tau ywj pheej, uas ua rau kev siv chaw nres nkoj ntawm cov khoom siv zoo dua, tab sis tib lub sijhawm pov tseg ob qho txiaj ntsig tseem ceeb ntawm PON ua lub network passive thiab txuag cov peev txheej fiber optic cable. Tam sim no, nws kuj yuav tsum tau nyiaj dhau qhov tsis zoo ntawm cov nqi khoom siv PON siab thiab cov qauv network nyuaj.
2) Kev xaiv cov thev naus laus zis nkag mus rau FTTH rau cov zej zog nyob hauv kuv lub tebchaws - Point-to-point (P2P) nkag mus rau Active Optical Network (AON) hauv cov chaw nyob
Nws yog qhov tseeb tias qhov zoo ntawm PON ploj mus rau hauv cov zej zog nyob hauv nroog uas muaj neeg coob coob. Raws li cov thev naus laus zis PON tam sim no tsis tau loj hlob zoo thiab tus nqi khoom siv tseem siab, peb ntseeg tias nws yog qhov kev tshawb fawb ntau dua thiab ua tau los xaiv cov thev naus laus zis AON rau kev nkag mus rau FTTH, vim tias:
-Cov chav siv computer feem ntau yog teeb tsa hauv zej zog;
-AON's P2P thev naus laus zis yog laus thiab pheej yig. Nws tuaj yeem muab 100M lossis 1G bandwidth yooj yim thiab ua tiav kev sib txuas seamless nrog cov khoos phis tawj uas twb muaj lawm;
-Tsis tas yuav tsum nce qhov kev tso cov xov hluav taws xob los ntawm chav tshuab hauv nruab nrab mus rau thaj chaw nyob;
- Cov qauv network yooj yim, kev tsim kho qis thiab kev ua haujlwm thiab kev txij nkawm;
-Cov xov hlau hauv chav computer hauv zej zog, yooj yim rau kev muab cov lej, tswj thiab tswj;
-Tso cai rau cov neeg siv xaiv cov neeg teb xov tooj ywj pheej, uas yog qhov zoo rau kev sib tw ntawm ntau tus neeg teb xov tooj, thiab cov txiaj ntsig ntawm cov neeg siv tuaj yeem tiv thaiv tau zoo los ntawm kev sib tw;
—— Tus nqi siv chaw nres nkoj khoom siv siab heev, thiab lub peev xwm tuaj yeem nthuav dav maj mam raws li qhov nce ntawm cov neeg siv nkag mus.
Ib qho qauv FTTH network uas siv AON ua tus qauv. Cov xov hlau fiber optic uas twb muaj lawm siv los ntawm chav computer hauv nruab nrab ntawm tus neeg teb xov tooj mus rau chav computer hauv zej zog. Lub kaw lus hloov pauv tau muab tso rau hauv chav computer hauv zej zog, thiab hom networking point-to-point (P2P) tau txais los ntawm chav computer hauv zej zog mus rau lub davhlau ya nyob twg ntawm tus neeg siv. Cov khoom siv nkag thiab cov vaj huam sib luag tau muab tso rau hauv chav computer hauv zej zog, thiab tag nrho lub network tau txais Ethernet protocol nrog cov thev naus laus zis laus thiab pheej yig. AON's point-to-point FTTH network tam sim no yog FTTH access technology uas siv ntau hauv Nyiv Pooj thiab Tebchaws Meskas. Ntawm 5 lab tus neeg siv FTTH tam sim no hauv ntiaj teb, ntau dua 95% siv cov thev naus laus zis P2P hloov pauv. Nws cov txiaj ntsig zoo tshaj plaws yog:
- bandwidth siab: yooj yim kom paub tseeb tias ruaj khov ob txoj kev 100M broadband nkag mus;
-Nws tuaj yeem txhawb nqa kev nkag mus rau hauv Is Taws Nem broadband, kev nkag mus rau CATV thiab kev nkag mus rau hauv xov tooj, thiab paub txog kev koom ua ke ntawm peb lub network hauv kev nkag mus rau hauv network;
--Txhawb nqa kev lag luam tshiab uas yuav pom tau yav tom ntej: videophone, VOD, digital xinesmas, chaw ua haujlwm nyob deb, kev nthuav qhia online, kev kawm TV, kev kho mob nyob deb, kev khaws cov ntaub ntawv thiab thaub qab, thiab lwm yam.
- Cov qauv network yooj yim, thev naus laus zis laus thiab tus nqi nkag qis;
--Tsuas yog chav computer hauv zej zog thiaj yog ib qho chaw ua haujlwm. Muab cov xov hlau ntawm chav computer tso rau hauv nruab nrab kom txo cov nqi kho thiab txhim kho kev siv cov chaw nres nkoj ntawm cov khoom siv;
-Tso cai rau cov neeg siv xaiv cov neeg teb xov tooj ywj pheej, uas yog qhov ua rau muaj kev sib tw ntawm cov neeg teb xov tooj;
-Txuag cov peev txheej fiber optic cable los ntawm chav computer hauv nruab nrab mus rau hauv zej zog kom zoo, thiab tsis tas yuav nce kev tso cov fiber optic cable los ntawm chav computer hauv nruab nrab mus rau hauv zej zog.
Peb ntseeg tias nws yog qhov kev tshawb fawb ntau dua thiab ua tau los xaiv AON thev naus laus zis rau kev nkag mus rau FTTH, vim yog qhov tsis paub meej hauv kev txhim kho cov qauv PON thiab cov thev naus laus zis:
-Tus qauv nyuam qhuav tshwm sim, nrog ntau hom (EPON & GPON), thiab kev sib tw ntawm cov qauv tsis paub meej rau kev nce qib yav tom ntej.
-Cov khoom siv cuam tshuam yuav tsum tau siv sijhawm 3-5 xyoos los ua kom tau raws li tus qauv thiab kev loj hlob. Nws yuav nyuaj rau kev sib tw nrog cov khoom siv Ethernet P2P tam sim no hais txog tus nqi thiab kev nyiam hauv 3-5 xyoos tom ntej.
-PON optoelectronic cov khoom siv kim heev: lub zog siab, kev sib kis ceev ceev thiab kev txais tos; cov khoom siv optoelectronic tam sim no tsis muaj peev xwm ua tau raws li qhov yuav tsum tau ua ntawm kev tsim cov kab ke PON pheej yig.
-Tam sim no, tus nqi muag nruab nrab ntawm cov khoom siv EPON txawv teb chaws yog 1,000-1,500 Asmeskas las.
3. Ua tib zoo saib xyuas cov kev pheej hmoo ntawm FTTH thev naus laus zis thiab tsis txhob thov kev txhawb nqa rau kev nkag mus rau kev pabcuam tag nrho.
Muaj ntau tus neeg siv xav tau FTTH los txhawb txhua yam kev pabcuam, thiab tib lub sijhawm txhawb nqa kev nkag mus rau hauv internet broadband, kev nkag mus rau hauv TV cable (CATV) thiab kev nkag mus rau hauv xov tooj ib txwm muaj, uas yog, kev nkag mus rau triple play, vam tias yuav ua tiav FTTH kev nkag mus rau hauv thev naus laus zis hauv ib kauj ruam. Peb ntseeg tias nws yog qhov zoo tagnrho kom muaj peev xwm txhawb nqa kev nkag mus rau hauv internet broadband, kev nkag mus rau hauv TV tsawg (CATV) thiab kev nkag mus rau hauv xov tooj ib txwm muaj, tab sis qhov tseeb muaj kev pheej hmoo loj heev.
Tam sim no, ntawm 5 lab tus neeg siv FTTH hauv ntiaj teb, ntau dua 97% ntawm FTTH nkag mus rau hauv network tsuas yog muab cov kev pabcuam nkag mus rau hauv internet broadband, vim tias tus nqi ntawm FTTH los muab cov xov tooj ruaj khov ib txwm muaj ntau dua li tus nqi ntawm cov thev naus laus zis xov tooj ruaj khov uas twb muaj lawm, thiab kev siv cov fiber ntau los xa cov khoom ruaj khov ib txwm muaj. Lub xov tooj kuj muaj teeb meem ntawm kev muab hluav taws xob hauv xov tooj. Txawm hais tias AON, EPON thiab GPON txhua tus txhawb nqa kev nkag mus rau peb zaug. Txawm li cas los xij, cov qauv EPON thiab GPON nyuam qhuav tshaj tawm, thiab nws yuav siv sijhawm rau cov thev naus laus zis kom loj hlob. Kev sib tw ntawm EPON thiab GPON thiab kev txhawb nqa yav tom ntej ntawm ob tus qauv no kuj tsis paub meej, thiab nws cov qauv network passive point-to-multipoint tsis haum rau Tuam Tshoj qhov ceev ceev. Cov ntawv thov thaj chaw nyob. Ntxiv mus, EPON thiab GPON cov khoom siv cuam tshuam xav tau tsawg kawg 5 xyoos ntawm kev ua qauv thiab kev loj hlob. Hauv 5 xyoos tom ntej, nws yuav nyuaj rau kev sib tw nrog cov khoom siv Ethernet P2P tam sim no hais txog tus nqi thiab kev nyiam. Tam sim no, cov khoom siv hluav taws xob opto tseem nyob deb ntawm kev ua tau raws li cov kev xav tau tsim khoom qis. Tus nqi PON system xav tau. Nws tuaj yeem pom tias qhov kev nrhiav kev pabcuam FTTH tag nrho siv EPON lossis GPON ntawm theem no yuav ua rau muaj kev pheej hmoo loj heev.
Ntawm lub network nkag mus, nws yog ib qho kev hloov pauv tsis tau rau cov fiber ntau los hloov ntau yam xov tooj liab. Txawm li cas los xij, cov fiber ntau yuav hloov cov xov tooj liab tag nrho hmo ntuj. Nws tsis muaj tseeb thiab tsis xav txog rau txhua yam kev pabcuam kom nkag mus tau los ntawm cov fiber ntau. Txhua qhov kev nce qib thiab kev siv thev naus laus zis yog maj mam, thiab FTTH tsis muaj qhov tshwj xeeb. Yog li ntawd, hauv kev txhim kho thiab kev txhawb nqa thawj zaug ntawm FTTH, kev sib koom ua ke ntawm cov fiber ntau thiab cov xov tooj liab yog qhov tsis zam. Kev sib koom ua ke ntawm cov fiber ntau thiab cov xov tooj liab tuaj yeem ua rau cov neeg siv thiab cov neeg ua haujlwm hauv telecom zam kev pheej hmoo ntawm FTTH. Ua ntej tshaj plaws, AON nkag mus siv thev naus laus zis tuaj yeem siv tau thaum ntxov kom ua tiav FTTH broadband nkag mus ntawm tus nqi qis, thaum CATV thiab cov xov tooj ruaj khov ib txwm tseem siv coaxial thiab twisted pair nkag mus. Rau cov tsev so, CATV nkag mus kuj tuaj yeem ua tiav tib lub sijhawm los ntawm cov fiber ntau ntawm tus nqi qis. Qhov thib ob, muaj cov teeb meem kev lag luam hauv kev muab cov kev pabcuam telecom hauv Suav teb. Cov neeg ua haujlwm Telecom tsis raug tso cai ua haujlwm CATV cov kev pabcuam. Ntawm qhov tsis sib xws, CATV cov neeg ua haujlwm tsis raug tso cai ua haujlwm cov kev pabcuam telecom ib txwm muaj (xws li xov tooj), thiab qhov xwm txheej no yuav siv sijhawm ntev heev yav tom ntej. Lub sijhawm tsis tuaj yeem hloov pauv, yog li ib tus neeg teb xov tooj tsis tuaj yeem muab cov kev pabcuam ua si peb zaug ntawm FTTH nkag mus rau hauv network; dua, txij li lub neej ntawm cov xov hlau kho qhov muag tuaj yeem ncav cuag 40 xyoo, thaum cov xov hlau tooj liab feem ntau yog 10 xyoo, thaum cov xov hlau tooj liab yog vim lub neej Thaum qhov zoo ntawm kev sib txuas lus poob qis, tsis tas yuav tso cov xov hlau. Koj tsuas yog yuav tsum tau hloov kho cov khoom siv fiber optic kom muab cov kev pabcuam los ntawm cov xov hlau tooj liab qub. Qhov tseeb, tsuav yog cov thev naus laus zis paub tab thiab tus nqi txaus siab, koj tuaj yeem hloov kho txhua lub sijhawm. Cov khoom siv fiber kho qhov muag, raws sijhawm txaus siab rau qhov yooj yim thiab bandwidth siab coj los ntawm cov thev naus laus zis FTTH tshiab.
Hauv kev xaus lus, qhov kev xaiv tam sim no ntawm cov fiber ntau optical thiab tooj liab cable coexistence, siv AON's FiberP2P FTTH kom ua tiav kev nkag mus rau hauv internet broadband, CATV thiab cov xov tooj ib txwm tseem siv coaxial thiab twisted pair access, uas tuaj yeem zam kev pheej hmoo ntawm FTTH technology Tib lub sijhawm, txaus siab rau qhov yooj yim thiab bandwidth siab coj los ntawm FTTH access technology tshiab sai li sai tau. Thaum cov thev naus laus zis paub tab thiab tus nqi txaus siab, thiab cov teeb meem kev lag luam raug tshem tawm, cov khoom siv fiber optic tuaj yeem hloov kho dua tshiab txhua lub sijhawm kom paub txog FTTH kev pabcuam tag nrho.
Lub sijhawm tshaj tawm: Plaub Hlis-10-2021