Nrog rau kev xa tawm thiab kev siv ntawm kev hloov kho qhov muag ntawm broadband network, lub network zoo tau txhim kho, tus nqi tsis ua haujlwm raug txo, thiab tus neeg siv lub tswv yim zoo tau nce. Tam sim no, kev tsim ntawm broadband nkag network yog dominated los ntawm FTTH thiab ntxiv los ntawm PON + LAN. Yog tias yav tom ntej broadband nkag network siv PON thev naus laus zis rau kev sib tham, nws tuaj yeem tsis tsuas yog muab kev paub zoo rau cov neeg siv, tab sis kuj txo cov nqi kev lag luam thiab txhim kho cov txiaj ntsig kev lag luam. Tom ntej no, tsab xov xwm no yuav ua cov lus pom zoo rau kev txhim kho thiab kev xa tawm ntawm 10G PON raws li kev xav tau ntawm kev lag luam.
Dab tsi yog PON network
PON network muajOLT, ODN thiabONU. IbOLTntaus ntawv yog lub hauv paus ntawm lub network topology. Nws nkag mus rau ntau lub network kev pabcuam nce siab thiab cov kev pabcuam ntawm ntau tus neeg siv nqes los ntawm ODN. Nws yog ib qho tseem ceeb ntawm cov kev pabcuam sib sau ua ke thiab kev faib khoom.OLTib txhij paub txog ntau lub network tswj kev ua haujlwm xws li kev tswj hwm, kev tswj hwm, sib piv thiab lwm yam rau cov neeg siv khoom.ONU. OLTcov khoom siv yog nyob hauv plawv ntawm PON network, ob qho tib si ntawm lawv qhov chaw nyob hauv network thiab lawv lub peev xwm network. Raws li ntau thiab ntau cov kev pabcuam xws li kev nkag mus rau Is Taws Nem, 4K IPTV video, cov kev pabcuam hauv tsev ntse, kev lag luam me thiab nruab nrab cov kab ntiag tug, IMS lub suab, thiab kev xa xov tooj ntawm tes tau nqa ntawm PON network, qhov kev thov rau bandwidth thiab qib ntawm kev ua kom zoo dua qub. kev tswj xyuas txuas ntxiv mus ntxiv. Kev txhim kho ntawm PON thev naus laus zis thiab kev xa tawm evolution ntawmOLTcov cuab yeej ua lub luag haujlwm tseem ceeb hauv kev txhim kho cov kev sib txuas lus broadband..
PON network xwm txheej tsom xam
(1)OLTkhoom siv
CovOLTCov khoom siv ntawm cov neeg ua haujlwm hauv tsev tau pib siv rau xyoo 2006, thiab feem ntau yog siv rau PON + DSL nkag mus rau thawj theem. Nws tau ntau tshaj 10 xyoo txij li thaum FTTH tau pib xa mus rau qhov loj hauv xyoo 2009. Raws li qhov kev sib tw bandwidth, tag nrho cov peev xwm hloov pauv, thiab kev txhawb nqa PON board, muaj 2-3 tiam ntawm cov khoom siv khiav ntawm lub network nyob. Nyob rau hauv lub network nyob, lub peev xwm hloov ntawm ib lub qhov ntawm lub ntsiab laub ntaus ntawv mus txog 40 Gbit / s thiab txhawb 10 Gbit / s EPON thiab XG-PON1.
(2) PON technology xa tawm
Nrog rau kev lag luam maj mam 10G PON thev naus laus zis, PON boards teeb tsa rauOLTcov khoom siv nyob hauv lub network tau muab faib ua EPON, GPON, 10G EPON thiab XG-PON, ntawm cov EPON thiab GPON yog cov tseem ceeb. Raws li kev txhawb nqa ntawm Tuam Tshoj Telecom thiab Tuam Tshoj Unicom txhawm rau txhim kho EPON tus qauv, kev lag luam siv EPON los ntawm cov neeg ua haujlwm hauv tsev yog li 2-3 xyoos ua ntej GPON.Ua ntej 2013, kev tsim kho tau tswj hwm los ntawm EPON, thiab tom qab ntawd, vim qhov zoo. ntawm GPON hauv bandwidth, nws maj mam dominated kev tsim kho ntawmOLT. Los ntawm qhov kev xav ntawm kev xa tawm network uas twb muaj lawm, China Unicom thiab China Mobile'sOLTCov khoom siv feem ntau yog GPON, thiab Tuam Tshoj Telecom feem ntau yog EPON.
Kev tsim kho ntawm 10G PON pib nyob ib ncig ntawm 2015. Vim yog tus nqi siab ntawm 10G optical modules, tus nqi ntawm 10G PON ONT yog li tsib npaug ntawm EPON / GPON terminals uas twb muaj lawm. Nyob rau hauv ib puag ncig tam sim no uas lub davhlau ya nyob twg feem ntau pub dawb los ntawm tus neeg teb xov tooj rau cov neeg siv khoom, thiab qhov kev thov kev pabcuam yog qis dua 100Mbit / s, cov neeg ua haujlwm loj tau ceev faj txog kev xa tawm ntawm 10G PON daim ntawv thov. Tam sim no, txoj kev tsim kho ntawm 10G PON feem ntau yog siv hauv 10G PON + LAN thiab FTTH xa tawm. 10G PON + LAN feem ntau yog kev hloov pauv ntawm lub xov tooj ntawm tes LAN thiab PON + LAN network. Ntawm ib sab, daws qhov tsis txaus bandwidth tshwm sim los ntawm cov neeg siv nkag siab ntau; Ntawm qhov tod tes, vim tias ntau tus neeg siv qhia tus nqi ntawm cov khoom siv kho qhov muag hauv MDU, tus nqi tag nrho tsis nce ntau piv nrog PON + LAN network, yog li nws tau siv rau ntawm qhov ntsuas, thiab technically 10G PON thiab XG-PON yog siv. . Kev tsim kho ntawm 10G PON FTTH feem ntau yog gigabit tsev neeg tsav tsheb ua los ntawm ntau tus tswv, thiab lub hom phiaj tseem ceeb yog tshaj tawm thiab txheeb xyuas cov khoom ntawm 10G PON FTTH.
Txog 10G (kaum gigabit) Ethernet thev naus laus zis thiab daim ntawv thov yog cov ntsiab lus kev paub saum toj no, hais txogOLTcov khoom siv tau hais los saum toj no hais hauv Shenzhen HDV Phoelectron Technology Ltd. belongs rau cov chav kawm nrov ntawm cov khoom sib txuas lus, xws li:OLT hloov, GPONOLT, EPONOLT, Light CatOLT, etc., cov saum toj noOLTcov cuab yeej siv tau rau ntau qhov chaw, rau cov kev xav tau sib txawv ntawm cov neeg siv los muab kev xaiv ntau dua, txais tos kom nkag siab, peb yuav muab kev pabcuam zoo tshaj plaws.
