HFC kev sib hloov kev daws teeb meem
Nrog cov kauj ruam ntawm kev loj hlob ntawm kev ua si triple, peb lub tv network thiab cov neeg ua haujlwm hauv TV tau pib ua ob txoj kev sib txuas network, lub hom phiaj yog ua kom tiav qhov triple ua si los tsim kom muaj qhov chaw ruaj khov thiab txhim khu kev qha kis, tsim kom muaj lub platform zoo rau kev nthuav dav Internet. cov kev pab cuam.
Cov xwm txheej ntawm bidirectional kev hloov pauv ntawm Tv network thiab TV network
Bidirectional kev hloov pauv ntawm Tv network thiab TV network, hu ua tus thawj ib-txoj kev HFC network downlink tshaj tawm xov xwm channel raws li nce uplink (rov qab) channel. Tam sim no, two-way Tv network thiab TV network pauv program, muaj ob qhov loj, CMTS + CATV thiab PON-kev kho kom rov zoo li qub raws li.
CMTS + CATV kev kho kom rov zoo li qub yuav tsum muaj qhov qub loj ntawm ob txoj kev HFC network kev hloov pauv, suav nrog cov hluav taws xob sab saud, hluav taws xob muaj zog, ob tog kev hloov pauv, nce uplink optical transmitters thiab lwm yam kev tsim kho dua tshiab thiab cov nqi nkag yog loj heev.
PON-ob txoj kev sib txuas network nyob hauv lub tsev kawg yog raws li cov neeg nqa khoom sib txawv, uas yog xaiv tsib kab, coaxial cable lossis kho qhov muag, qhov program tau muab faib ua PON + LAN, PON + EOC, FTTH.
Hauv kev sib koom ua ke saum toj no, PON + EOC thev naus laus zis hauv TV network ntau tshaj plaws thiab kev tshaj tawm xov tooj cua ntawm xaim xov tooj - coaxial cable, muaj lub vev xaib siab, cov kab hloov kho qis, kev them tus nqi qis, tus nqi qis rau ib tsev neeg, thiab cov chaw tu lub network thiab lwm yam zoo Cov. Tab sis kuj tseem xav txog qhov kev tshaj tawm xov xwm nws tus kheej cov yam ntxwv, dhau los ua ob-txoj kev hauv TV network thiab TV network pauv kom tau raws li NGB era ntawm kev siv tshuab ntawm kev xaiv.
Tam sim no, Tuam Tshoj lub network network thiab TV ua haujlwm kom xa EPON muaj qhov ntsuas ntau, ntsib nrog txoj kev loj hlob sai ntawm kev xav tau kev lag luam, qhov kev hloov pauv ntawm EPON network uas twb muaj lawm yuav dhau los ua kev muaj tiag tom qab ob lossis peb xyoos, 10G EPON tsuas yog txoj hauv kev ua tiav kev hloov kho kom zoo ntawm EPON cov kab ke ua haujlwm hauv lub thev naus laus zis Lub thev naus laus zis yog ib qho tseem ceeb kom xaiv Tv network thiab TV network ua haujlwm ua raws kev tsim kho. Cov kws tau kwv yees dav dav, 10G EPON yuav raug tsim tsa los ntawm lub 2013 pob loj tso tawm. 10G EPON kab lus xaus ntawm cov yam ntxwv kev ua haujlwm: kev siv bandwidth (txog rau 10G), qhov sib cais loj (txog 1: 256 splitter), EPON du sib raug zoo thiab paub tab kev lag luam saw, rau Tv network thiab TV ua haujlwm los daws qhov nrawm, hloov tau , siv cov teeb meem siv dav hauv qhov ua tau zoo broadband. Tshwj xeeb, 10G EPON muab ntau dua cov pab pawg bandwidth, txuag pob tw siv fiber ntau, ua tiav EPON kev ua haujlwm thiab kev saib xyuas, kom tau raws li cov neeg siv cov kev xav tau bandwidth nkag 20M lossis ntau dua ntawm tus nqi nce ntawm ob peb kis, kom daws tau Tv network siv network bandwidth xav tau kev txhim kho ntau muaj cov nyhuv tam sim.
