CWDM + FTTx Kev daws
CWDM + fiber nkag (FTTx) hloov cov kab ke, thaum tseem hloov cov kev sib txuas xov tooj nkag txheej txheej txheej, nrog kev nce qib ntawm FTTx, kev thauj mus los txheej txheej tseem ntsib qhov xwm txheej ntawm kev rov tsim thiab kev tsim kho. Kev tsim ntawm Coarse Wavelength Division Multiplexing thev naus laus zis nrog kev nthuav dav hauv Is Taws Nem, lub ntsiab tseem ceeb ntawm kev txhim kho yog vim hais tias txoj kev loj hlob ntawm kev sib koom tes network tau ua rau muaj kev siv zaus ua haujlwm ntev ntawm WDM caj qaum network muaj peev xwm ntawm qhov tshwm sim, metro WDM thev naus laus zis raws li txhua lub network sib txuas kom tau raws phiaj. Yog li nws yog coarse wavelength faib multiplexing technology muaj txiaj ntsig. Ntawm no yog qhov zoo ntawm CWDM thev naus laus zis thiab daim ntawv thov ntawm CWDM thev naus laus zis hauv kev nkag mus rau cov koom tes.
Tam sim no qhov kev daws teeb meem ntawm lub teeb hloov tooj liab tuaj yeem sau ua ob yam ntawm EPON cov kev daws teeb meem thiab POP point (MSAG, MSAN, DSLAM thiab lwm yam POP cov ntsiab lus) hauv cov kev daws teeb meem. Tsis tas txiav txim siab qhov sib txawv ntawm lub kawg mais nkag technology, lub cuab yeej nkag los rau cov neeg siv khoom EPON hauv paus chaw ua haujlwm lossis POP taw tes cov tsheb sib cuam tshuam nce bandwidth, sib xyaw uplink interface bandwidth feem ntau yog FE lossis GE. MSTP network muaj nyob hauv kev cuam tshuam nrog cov loj loj GE cov lag luam muaj qhov tsis txaus, thiab nrog cov neeg siv cov kev pab cuam kawg tau nce bandwidth, cov tsoos STM-1416 MSTP ntiv nplhaib kab tsis txaus bandwidth siv, sau lub zos thiab piv rau txhua txoj hauv kev ntawm lub zos, thiab uas lub zos mus rau nroog kev tsim kho txoj hauv kev hauv nroog tau dhau los ua qhov tsis zoo.
Raws li qhia saum toj no yog tsim siv CWDM optical kis tau tus mob rov qab nkag mus rau hauv tooj liab txheej neeg mloog network network daim duab. CWDM network kev hloov pauv los ntawm GE thiab FE cov kev pabcuam kev lag luam los ntawm kev sibtham los ntawm qee yam wavelengths CWDM nqa cov thawj MSTP ntiv nplhaib network cov kev pabcuam los ntawm yoj yob CWDM nqa. Cov kev pab cuam muaj cuab yeej zoo
IP OVER WDM ua kom yooj yim ntawm qib network, ua raws li cov txheej txheem ntawm kev sib hloov network, kom tsis txhob pov tseg cov khoom siv ntawm qib SDH, kev siv CWDM & DWDM pob tshab kis tau tus yam ntxwv ntawm cov lag luam, kom tau raws li cov neeg nplua nuj hauv nroog cov hom kev lag luam xav tau.
Kev sib xyaw nrog cov nqi siab dua CWDM xa mus rau lub network nkag txheej, kev pib nqis peev qis, nrog kev hloov kho kom zoo dua qub qub MSTP nplhaib kev pabcuam network ntawm Cutover nrog CWDM wavelength kom nqa tag nrho cov khoom siv uas twb muaj lawm; tib lub sijhawm lig yooj yim nthuav.
Txhim kho cov txheej txheem tiv thaiv siv WDM kev sib txuas thiab cov ntawv thov kev sib tham hauv xov tooj kom tau raws li cov kev xav tau ntawm cov neeg siv hauv nroog nrog kev ntseeg siab thiab QOS siab nyob hauv cov chaw hauv nroog nqa SAN chav ua lag luam muaj lub ntuj zoo; NGN / IPTV / 3G / cov neeg siv khoom loj thiab lwm Yam Kev Lag Luam hauv chav kawm ua ke hosting platform.