los ntawm Admin / 30 Jul 20 /0Cov lus pom Ob peb lub teeb ntawm Optical fiber modem yog qhov qub thiab cov xwm txheej ntawm Optical fiber modem lub teeb teeb liab yog qhov qub thiab qhov tsis ua haujlwm tsom Muaj ntau lub teeb liab teeb liab ntawm lub fiber optic modem, thiab peb tuaj yeem txiav txim siab seb cov khoom siv thiab lub network puas yog los ntawm qhov taw qhia lub teeb.Nov yog qee qhov kev ntsuas qhov muag pom pom thiab lawv lub ntsiab lus, thov saib cov lus qhia ntxaws hauv qab no.1. Yuav kom yooj yim rau qhov chaw... Nyeem ntxiv los ntawm Admin / 28 Jul 20 /0Cov lus pom Dab tsi yog active (AON) thiab passive (PON) optical networks? AON yog dab tsi?AON yog ib qho kev ua haujlwm kho qhov muag, feem ntau yog siv qhov point-to-point (PTP) network architecture, thiab txhua tus neeg siv tuaj yeem muaj kab ke kho qhov muag fiber ntau.Active optical network yog hais txog kev xa tawm ntawm routers, hloov cov aggregators, cov khoom siv kho qhov muag thiab lwm yam khoom siv hloov pauv ... Nyeem ntxiv los ntawm Admin / 23 Jul 20 /0Cov lus pom Lub hauv paus ntsiab lus ua haujlwm thiab kev siv ntawm optical module hauv optical kis tau tus mob Hauv kev sib txuas lus, kev sib txuas ntawm hluav taws xob sib txuas ntawm cov hlau hlau yog qhov txwv tsis pub muaj ntau yam xws li electromagnetic cuam tshuam, inter-code crosstalk thiab poob, thiab cov nqi xaim.Yog li ntawd, kev sib kis ntawm optical tau yug los.Optical kis tau tus mob muaj qhov zoo ntawm ... Nyeem ntxiv los ntawm Admin / 21 Jul 20 /0Cov lus pom Kev taw qhia thiab kev siv ntawm EPON optical module thiab GPON optical module PON yog hais txog lub passive optical fiber network, uas yog ib qho tseem ceeb rau broadband access network kev pab cuam yuav tsum nqa.PON thev naus laus zis pib xyoo 1995. Tom qab ntawd, raws li qhov sib txawv ntawm cov ntaub ntawv txuas txheej thiab txheej txheej ntawm lub cev, PON thev naus laus zis tau maj mam muab faib ua APON ... Nyeem ntxiv los ntawm Admin / 17 Jul 20 /0Cov lus pom Dab tsi yog optical fiber?Cov yam ntxwv thiab kev faib tawm ntawm fiber ntau optical Optical fiber xa cov teeb liab nyob rau hauv daim ntawv ntawm lub teeb pulses, thiab siv iav los yog plexiglass ua lub network kis nruab nrab.Nws muaj cov tub ntxhais fiber ntau, cladding thiab tiv thaiv npog.Optical fiber ntau tuaj yeem muab faib ua Tib Hom fiber ntau thiab ntau hom fiber ntau.Ib hom kev kho qhov muag fiber ntau tsuas yog ... Nyeem ntxiv los ntawm Admin / 14 Jul 20 /0Cov lus pom Yooj yim nkag siab FTTx FTTC FTTB FTTH FTTx yog dab tsi?FTTx yog "Fiber To The x" thiab yog lub ntsiab lus dav dav rau kev siv fiber ntau hauv kev sib txuas lus fiber ntau.x sawv cev rau qhov chaw ntawm cov kab fiber ntau.Xws li x = H (Fiber rau lub tsev), x = O (Fiber rau lub chaw ua hauj lwm), x = B (Fiber rau lub tsev).FTTx technology ranges los ntawm ... Nyeem ntxiv << < Ua ntej41424344454647Tom ntej no>>> Page 44/66