Tuam Tshoj txoj kev txav mus dhau gigabit broadband tau nkag mus rau theem ua tau zoo dua. Txoj kev loj hlob tseem ceeb tsis yog tias 10Gbps tau dhau los ua tus qauv nyob hauv lub tebchaws, tab sis qhov ntawd 50G-PON, FTTH/FTTR thiab Wi-Fi 7 tam sim no tau muab tso ua ke hauv qhov project "10-gigabit optical network" tiag tiag.
Tuam Tshoj Ministry of Industry thiab Information Technology (MIIT) tau tshaj tawm nws10-gigabit optical network pilot programThaum Lub Ib Hlis 2025. Qhov kev zov me nyuam tshwj xeeb hu rau 50G-PON nkag mus, FTTH/FTTR, xya- tiam WLAN thev naus laus zis thiab ntau- tiam PON kev nyob sib ze hauv cov zej zog, cov chaw tsim khoom thiab cov chaw ua si. Lub Plaub Hlis 2026, MIIT tau tshaj tawm tias136 txoj haujlwm tau ua tiav cov kev xav tau tsav, qhia tias cov cuab yeej siv tau txav los ntawm kev sim tswj mus rau kev siv dav dua.
Rau cov neeg ua haujlwm, cov neeg cog lus thiab cov chaw tsim khoom siv fiber ntau, qhov kev hloov pauv tseem ceeb tshaj li tus lej xov tooj ceev. Ib qho kev pabcuam 10G broadband tsuas yog siv tau thaum nkag mus rau qhov system, kho qhov muag faib network, poob cable, sab hauv tsev fiber ntau, lub rooj vag hauv tsev thiab hauv -chav network yog tsim los ua ib qho kawg- mus rau -kawg system.
50G-PON yog dab tsi?
50G-PON yog ITU-T siab dua-speed passive optical network system tsim rau thaj chaw, lag luam, tsheb thauj mus los thiab lwm yam kev siv kho qhov muag. Tam sim noITU-T G.9804.3 specificationtxhais tau hais tias tus nqi qis qis ntawm 50 Gbit / s thiab cov kab nce siab - tus nqi xaiv ntawm 25 Gbit / s thiab 50 Gbit / s. Lub hauv paus G.9804.3 Cov Lus Pom Zoo tau pom zoo hauv 2021 thiab tau txuas ntxiv hloov mus los ntawm kev hloov kho, suav nrog Kev Hloov Kho 3 pom zoo hauv 2026.
Qhov kev sib txawv no yog qhov tseem ceeb: "50G-PON" piav qhia txog qhov sib koom PON kab muaj peev xwm, tsis yog kev cog lus tias txhua tus neeg siv yuav tau txais kev sib txuas ntawm 50Gbps. Cov neeg ua haujlwm tuaj yeem siv qhov muaj peev xwm nkag tau ntau dua los muab ntau yam -gigabit thiab 10G- cov kev pabcuam hauv chav kawm thaum ua haujlwm rau ntau tus neeg siv los ntawm tib PON infrastructure.
Lub cev txheej kuj tsis tshua muaj kab txawv dua li qee qhov kev piav qhia kev lag luam qhia. ITU-T qhia meej NRZ kab coding rau 50G-PON es tsis yog yuav tsum tau siab dua - kev txiav txim hloov raws li qhov kev txiav txim siab. Tus qauv yog raws li ib qho - hom fiber ntau tau piav qhia hauv ITU-T G.652, thaum G.657 fiber ntau kuj tuaj yeem siv rau hauv cov ntawv thov xws li hauv - lub tsev thiab cov seem.
GPON vs XGS-PON vs 50G-PON
| Technology | Nominal Access Rate | Hom Lub Luag Haujlwm Network | Txhim kho Implication |
|---|---|---|---|
| GPON | Txog li ntawm 2.5 Gbit / s downstream nyob rau hauv dav deployed profiles | Mass -kev ua lag luam FTTH thiab kev nkag mus rau gigabit qub | ODN uas twb muaj lawm yuav tseem siv tau, tab sis cov cuab yeej siv tau txwv ntau -gigabit kev pabcuam |
| XGS-PON | Txog 10 Gbit / s nqes hav thiab ntws | Symmetric gigabit thiab multi-gigabit broadband | Muab tus choj siv tau los ntawm GPON mus rau siab dua - muaj peev xwm nkag tau |
| 50G-PON | 50 Gbit / s nqes hav; 25 lossis 50 Gbit / s cov kev xaiv nce toj | 10G-chav kawm broadband, kev nkag mus rau kev lag luam thiab siab dua -kev pabcuam kev sib koom ua ke | tuaj yeem koom nrog PON tiam dhau los thaum ODN thiab kev sib koom ua ke tsim tau raws li qhov xav tau kho qhov muag |
Lub ntsiab lus tseem ceeb yog tias 50G-PON chaw nres nkoj tsim muaj peev xwm sib koom ntau dua li qhov kev pabcuam 10G xav tau. Lub taub hau ntawd tuaj yeem txhawb nqa ntau yam siab -bandwidth subscribers, kev loj hlob ntawm kev pabcuam yav tom ntej thiab kev siv vaj tse sib xyaw lossis kev lag luam yam tsis ua rau kev nkag mus rau lub network yog nyob ntawm ib tus neeg siv tus nqi PON tag nrho.
Vim li cas PON Coexistence Matters rau Gigabit Hloov Kho
Kev hloov kho fiber ntau thoob tebchaws yog kev lag luam tiag tiag nkaus xwb yog tias cov tswv lag luam tuaj yeem rov siv tau ib feem loj ntawm kev teeb tsa passive infrastructure. Tias yog vim li cas kev sib koom ua ke yog qhov tseem ceeb rau 50G-PON tsiv teb tsaws.
ITU-T G.9805txhais cov txheej txheem uas tso cai rau ntau tus PON tiam los qhia txog kev sib faib khoom siv kho qhov muag. Raws li kev tsim qauv, kev sib koom ua ke tuaj yeem siv cov khoom sib txuas sab nraud, ntau -PON modules lossis splitter- raws li txoj hauv kev. Tus qauv tseem hais txog GPON/XG(S)-PON/50G-PON kev sib koom ua ke thiab kev txiav txim siab tsis zoo.
Hauv cov ntsiab lus siv tau, qhov no txhais tau hais tias tus neeg teb xov tooj tuaj yeem khaws ntau cov khoom siv fiber ntau, cov khoom siv fiber ntau thiab cov khoom siv hluav taws xob tsis zoo thaum hloov cov khoom siv thiab xaiv cov khoom siv kho qhov muag. Nws tsis tau txhais hais tias txhua tus neeg siv khoom tuaj yeem hloov kho yam tsis muaj lub cev ua haujlwm.
Dab tsi tuaj yeem nyob
- Feeder thiab faib ib qho - hom fiber ntau uas nyob hauv qhov yuav tsum tau kho qhov muag thiab kev txwv.
- Passive splitters uas ua tau raws li kev sib koom ua ke tsim thiab poob nyiaj txiag.
- Cov ducts uas twb muaj lawm, kaw thiab lwm yam kev ua haujlwm dhau los uas muaj qhov xwm txheej thiab muaj peev xwm txaus.
- Cov ntu ntawm FTTH network tam sim no uas dhau qhov kho qhov muag - poob, kev cuam tshuam thiab cov khoom txuas- kev kuaj xyuas zoo.
Dab tsi feem ntau xav tau kev tshuaj xyuas lossis hloov pauv
- OLT kab phaib lossis kho qhov muag modules txhawb PON tiam tshiab.
- Coexistence los yog ntau-PON optical Cheebtsam uas yuav tsum tau los ntawm kev tsiv teb tsaws architecture.
- Subscriber ONTs/ONUs thiab cov rooj vag hauv tsev.
- Ethernet ports thiab LAN cov cuab yeej yog tias lub network hauv tsev uas twb muaj lawm tsis tuaj yeem hla ntau -gigabit tsheb.
- Kev faib tawm sab hauv tsev qhov twg cov tooj liab lossis wireless topology uas twb muaj lawm dhau los ua lub fwj.
Rau cov tswv lag luam npaj qhov kev hloov pauv no, lub network passive yuav tsum raug kho raws li cov cuab yeej cuab tam rau kev tshuaj xyuas, tsis yog ib yam uas xav tias yuav tau txais txiaj ntsig zoo. Ib qho tsimFTTH network architecturetuaj yeem muab lub hauv paus, tab sis qhov kev txiav txim siab hloov kho qhov tseeb nyob ntawm cov peev nyiaj kho qhov muag thiab cov xwm txheej ntawm ODN ntsia.
Vim li cas FTTR Tseem Ceeb rau 10G Tsev Broadband
Kev xa 10Gbps mus rau lub tsev tsis zoo ib yam li xa ntau-gigabit kev ua tau zoo rau lub cuab yeej hauv chav pw, kawm lossis chav nyob. Thaum muaj peev xwm nkag mus txog qib no, hauv - hauv tsev network dhau los ua ib feem loj ntawm cov neeg siv kev paub.
FTTR, los yog Fiber rau chav tsev, ncua kev kho qhov muag sib sib zog nqus mus rau hauv lub tsev es tsis txhob cia siab rau ntawm ib lub rooj vag thiab ntev tooj liab los yog wireless paths. MIIT's 10-gigabit pilot xav kom meej meej ua ke 50G-PON nrog FTTH/FTTR thiab Wi-Fi 7, uas qhia txog qhov xav tau kev sib koom tes thiab kev sib txuas hauv tsev es tsis yog lub chaw nres nkoj PON sai dua ib leeg.
Rau kev xa tawm sab hauv tsev, cov qauv kev cog lus compact, routing yooj thiab khoov kev ua tau zoo ua qhov tseem ceeb.Sab hauv tsev FTTx fiber ntau optic cableyog tsim los rau luv luv, qhov chaw- txwv txoj kev nkag, thaum khoov- tsis muaj fiber ntau xws liG.657.A2 ib - hom fiber ntautuaj yeem siv tau qhov twg cov cables yuav tsum dhau los ntawm cov ces kaum, cov thawv phab ntsa thiab txoj hauv kev nruj hauv tsev.
Qhov ntawd tsis tshem tawm cov kev txwv wireless. 10G optical access kab tseem tuaj yeem txwv los ntawm Wi-Fi spectrum, xov tooj cua, muaj peev xwm kawg, Ethernet interface ceev, kev ua haujlwm ntawm server lossis internet routing. FTTR txhim kho hauv -hom fiber ntau backhaul; nws tsis tau lees tias txhua yam khoom siv wireless yuav ua haujlwm ntawm 10Gbps.
Piv txwv Kev xa tawm tiag tiag: 10,000M Kev nkag mus yam tsis muaj kev dag txhua lub cuab yeej khiav ntawm 10Gbps
Ib qho piv txwv tseem ceeb yog los ntawm Fujian. Thaum lub Tsib Hlis 2026, lub xeev kev sib txuas lus hauv nroog tau tshaj tawm tias tus neeg tsav tsheb hauv Xiamen tau siv kev sib koom ua ke 50G-PON, FTTR thiab Wi-Fi 7 architecture, txhawb nqa qhov siab tshaj plaws.10,000M broadband nkag muaj peev xwm. Tib daim ntawv tshaj tawm tau hais tias fiber ntau tau txuas mus rau cov chav thaum lub xov tooj ntawm tes - cov khoom siv wireless nkag tau tshaj 1,500Mbps hauv qhov project.
Qhov piv txwv ntawd qhia txog qhov tseeb ntawm engineering kom meej meej. 50G-PON tuaj yeem muab lub peev xwm nkag tau rau 10G-chav kawm broadband, tab sis qhov ceev tau ntsib los ntawm ib qho cuab yeej tseem nyob ntawm ntu ntu ntawm lub network ntawm qhov chaw nkag mus rau qhov muag thiab cov cuab yeej ntawd.
Dab tsi 50G-PON Hloov rau Fiber Infrastructure
1. ODN Qhov Zoo Tshaj Plaws Zoo Tshaj Plaws
Kev muaj peev xwm nkag tau ntau dua ua rau muaj txiaj ntsig ntawm qhov dej zoo - tswj tsis tau lub network. Splitter poob, connector mob, splice zoo, reflectance thiab accumulated attenuation tag nrho cov teeb meem thaum ob peb tiam ntawm PON qhia tib ODN. Ua ntej kev tsiv teb tsaws chaw, cov neeg ua haujlwm yuav tsum tau lees paub txoj kev kho qhov muag tiag tiag es tsis yog cia siab rau cov ntaub ntawv tsim keeb kwm.
Splice zoo yog qhov tseem ceeb tshwj xeeb tshaj yog nyob rau hauv kev paub tab uas muaj ntau lub ntsiab lus kho yuav tau sau ntau lub sijhawm. Kev tshuaj xyuas cov tswv yim ntawmfiber ntau splice poobtuaj yeem pab teeb tsa cov kev ntsuas thiab cov teeb meem kev ua haujlwm uas yuav tsum tau kuaj xyuas thaum lub sijhawm kuaj ODN.
2. Tso Cable yog ib feem ntawm txoj kev txhim kho
Lub feeder network yuav nyob twj ywm nyob rau hauv qhov chaw rau ntau xyoo, tab sis qhov kawg poob seem feem ntau ntsib cov neeg kho tshuab kev ntxhov siab loj tshaj plaws thiab cov khoov nruj tshaj plaws. Raws li cov tswv lag luam thawb cov kev pabcuam siab dua rau hauv tsev, qhov poob cable yuav tsum txhawb kev txhim kho txhim khu kev qha, poob qis thiab tsim kho khoov kev ua haujlwm thoob plaws lub neej kev pabcuam.
Rau txoj kev nkag tshiab lossis kho dua tshiab, xaiv qhov tsim nyogFTTH poob cableyog li ntawd ntau tshaj qhov kawg -meter kev txiav txim siab yuav khoom. Nws cuam tshuam rau kev txhim kho kev ua tau zoo, tus nqi txhaum cai thiab qhov chaw nyob yooj yim npaum li cas tom qab tuaj yeem txhawb nqa FTTR lossis lwm yam hauv - tsev fiber ntau txuas ntxiv.
3. Sab hauv Fiber Density yuav nce
Ib txwm FTTH feem ntau txiav tawm fiber ntau ntawm ib qho chaw hauv tsev. FTTR tuaj yeem tsim ob peb ceg kho qhov muag rau chav lossis cov ntsiab lus pabcuam. Qhov ntawd hloov txoj kev xa xov cable, kev txiav tawm thiab kev saib xyuas. Cov neeg tsim khoom xav tau cov fiber ntau uas compact, khoov- ua siab ntev thiab tsim nyog rau txoj hauv kev sab hauv, nrog rau kev npaj meej rau qhov chaw txiav tawm thiab kev nkag mus rau yav tom ntej.
4. Connector thiab Splice Management ua qhov tseem ceeb dua
Ntau qhov kawg ntawm fiber ntau tuaj yeem txhais tau ntau cov ntsiab lus sib txuas. Txhua qhov kev sib txuas ntxiv muaj peev xwm nkag mus rau qhov poob, kev xav thiab kev pheej hmoo ntawm kev ua haujlwm. Ua ntej- cov khoom raug tshem tawm tuaj yeem txo cov haujlwm ua haujlwm hauv cov haujlwm tsim nyog, thiabua ntej -connectorized poob cabletuaj yeem txiav txim siab qhov twg sai, rov ua dua qhov kev teeb tsa muaj txiaj ntsig ntau dua li qhov kev txiav tawm yooj yim.
5. Qhov zoo tshaj plaws kev txhim kho lub tswv yim tiv thaiv cov khoom muaj nqis Passive
OLT thiab ONU tiam yuav hloov ntau zaus thaum lub sijhawm ua haujlwm ntawm lub tshuab kho qhov muag cable. Lub passive fiber infrastructure yog li ntawd qhov tseem ceeb tshaj plaws thaum nws tuaj yeem pab txhawb ntau lub voj voog thev naus laus zis. Kev xaiv cable, khoov tswj, kev sib txuas huv si, cov ntaub ntawv sib txuas thiab cov npoo kho qhov muag txaus yog qhov ntev - kev txiav txim siab hauv lub network, tsis yog cov ntsiab lus ntawm kev teeb tsa xwb.
FAQ
Q: Puas yog 50G-PON zoo ib yam li 50Gbps Home Broadband Plan?
A: Tsis yog. 50G-PON piav qhia txog PON txoj kab nominal peev xwm. Cov neeg ua haujlwm tuaj yeem siv lub peev xwm los muab cov kev pabcuam sib txawv ntawm cov neeg siv khoom, suav nrog ntau-gigabit thiab 10G-chav kawm broadband. Tus nqi PON tag nrho yog sib koom ua ke hauv kev nkag mus rau architecture es tsis yog muab los ua 50Gbps thaj chaw nyob rau txhua tus neeg siv.
Q: Puas tuaj yeem 50G-PON Rov qab siv dua GPON lossis XGS-PON Fiber?
A: Feem ntau, yog. ITU-T coexistence specifications yog tsim los pab txhawb ntau tiam PON ntawm ib qho ODN thiab tso cai rov qab siv cov fiber ntau thiab cov splitters hauv cov qauv tsim nyog. Txawm li cas los xij, cov nyiaj siv kho qhov muag, cov khoom siv sib txuas, OLT, ONT thiab hauv -tsev network tseem yuav tsum tau soj ntsuam.
Q: Puas yog Kev Kho Kom Zoo Dua Rau 50G-PON Yuav Tsum Tau Txuas Txhua Lub Tsev?
A: Tsis tas li. Muaj nyob sab nraud- cog thiab poob fiber ntau tuaj yeem siv tau yog tias nws ua tau raws li qhov xav tau kho qhov muag thiab cov khoom siv kho qhov muag. Rewiring tseem yuav xav tau qhov twg sab hauv tsev topology, cable mob, txoj kev txiav tawm lossis xav tau FTTR layout tsis tuaj yeem txhawb nqa qhov kev pabcuam tshiab.
Q: Puas yog FTTR Tshem Tawm Wi-Fi Bottlenecks?
A: Tsis yog. FTTR tuaj yeem muab siab - muaj peev xwm kho qhov muag rov qab mus rau chav, txo qhov kev cia siab ntawm txoj kev ntev wireless backhaul. Qhov kawg wireless txuas tseem raug txwv los ntawm Wi-Fi configuration, spectrum, cuam tshuam, tus neeg siv khoom kho vajtse thiab xov tooj cua.
Q: Hom Fiber Zoo Li Cas Rau FTTR Thiab Tight Indoor Routing?
A: G.657 khoov-sensitive ib leeg- hom fiber ntau feem ntau cuam tshuam rau hauv- tsim thiab tso daim ntawv thov vim nws yog tsim los rau ib puag ncig uas yuav muaj kev khoov nruj dua. Cov qauv fiber ntau thiab cable yuav tsum raug xaiv raws li txoj hauv kev teeb tsa, khoov yuav tsum tau ua, kev tiv thaiv kev tiv thaiv thiab siv qhov project specifications.
Q: Puas muaj 10Gbps Hauv Tsev Broadband Twb tau dhau los ua Tuam Tshoj Tus Qauv?
A: Cov ntaub ntawv pov thawj pej xeem thaum Lub Yim Hli 2026 txhawb nqa qhov kev ntsuas ntau dua. Tuam Tshoj tau ua tiav lub teb chaws loj 10-gigabit optical network pilot program thiab muaj cov chaw nyob tiag tiag siv 50G-PON, FTTR thiab Wi-Fi 7. Txawm li cas los xij, cov ntaub ntawv tseem ceeb hauv tebchaws tau piav qhia txog kev hloov pauv ntawm kev sim siv thev naus laus zis mus rau kev xa tawm thiab thov; lawv tsis tsim 10Gbps thaj chaw broadband raws li tus qauv thoob ntiaj teb hauv tsev neeg.
Xaus
Tuam Tshoj 50G-PON kev nce qib yog qhov tseem ceeb vim nws hloov cov lus nug hloov kho los ntawm "Puas muaj fiber ntau xa 10G-chav kawm nkag?" mus rau "Yuav ua li cas yuav tsum tag nrho optical nkag system yuav tsum engineered kom xa nws zoo?"
Cov lus teb tsis yog tsuas yog daim npav OLT sai dua. Sustainable 10G broadband nyob ntawm kev sib koom ua ke nrog PON tiam dhau los, kev txheeb xyuas ODN, txhim khu kev qha poob thiab sab hauv fiber ntau, haum khoov -insensitive fiber, tswj connector thiab splice poob, FTTR qhov twg chav tsev - theem muaj peev xwm yuav tsum tau, thiab cov khoom siv sib txuas hauv tsev uas tuaj yeem siv qhov kev nkag tau bandwidth.
Rau kev lag luam fiber ntau, uas ua rau 50G-PON tsawg dua ib zaj dab neeg txog ib lub xov xwm ceev thiab ntau zaj dab neeg txog kev tiv thaiv thiab nthuav tawm tus nqi ntawm cov khoom siv kho qhov muag tsis pom kev hauv qab cov tiam tom ntej ntawm broadband.