Xov xwm
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PON: Nkag siab OLT, ONU, ONT thiab ODN
Nyob rau hauv xyoo tas los no, fiber ntau rau lub tsev (FTTH) tau pib muaj nuj nqis los ntawm cov tuam txhab kev sib txuas lus thoob ntiaj teb, thiab kev siv thev naus laus zis tau txhim kho sai.Muaj ob hom kab ke tseem ceeb rau FTTH broadband kev sib txuas.Cov no yog Active Optical Network (AON) thiab Passive Optical Netwo ...Nyeem ntxiv -
Hloov VLANs faib li cas?
1. Faib VLAN raws li qhov chaw nres nkoj: Ntau tus neeg muag khoom siv network siv cov chaw nres nkoj hloov mus faib cov tswv cuab VLAN.Raws li lub npe qhia, faib VLAN raws li cov chaw nres nkoj yog los txhais qee qhov chaw nres nkoj ntawm kev hloov ua VLAN.Thawj tiam VLAN thev naus laus zis tsuas yog txhawb nqa kev faib ntawm VLANs ntawm ntau qhov chaw nres nkoj ntawm ...Nyeem ntxiv -
Puas yog qhov kho qhov muag modem txuas nrog qhov hloov lossis lub router ua ntej
Txuas lub router ua ntej.Lub optical modem txuas nrog lub router ua ntej thiab tom qab ntawd mus rau qhov hloov, vim tias router xav tau faib ip, thiab qhov hloov pauv tsis tuaj yeem, yog li nws yuav tsum muab tso rau tom qab router.Yog hais tias tus password authentication yuav tsum tau, ntawm chav kawm, ua ntej txuas mus rau WAN chaw nres nkoj ntawm lub ro ...Nyeem ntxiv -
Txheej txheem cej luam thiab kev ua haujlwm ntawm optical keyboards
Txheej txheem cej luam ntawm Optical Hloov: fiber ntau optic hloov yog ib tug high-ceev network kis tau tus mob relay ntaus ntawv.Piv nrog rau cov keyboards zoo tib yam, nws siv fiber ntau optic cables raws li qhov nruab nrab kis tau tus mob.Qhov zoo ntawm optical fiber kis tau tus mob yog ceev ceev thiab muaj zog tiv thaiv kev cuam tshuam muaj peev xwm.Fiber ntau...Nyeem ntxiv -
Rau qhov ua txhaum ntawm fiber ntau optic transceivers
Fiber optic transceiver yog Ethernet kis tawm xov xwm hloov dua siab tshiab chav tsev uas sib pauv cov kab hluav taws xob luv luv twisted-pair hluav taws xob thiab cov teeb liab nyob deb.Nws tseem hu ua photoelectric converter (Fiber Converter) nyob rau ntau qhov chaw.1. Lub teeb Link tsis teeb (1) C...Nyeem ntxiv -
Qhov txawv ntawm qhov hloov pauv thiab lub router
(1) Los ntawm cov tsos, peb paub qhov txawv ntawm ob lub Switches feem ntau muaj ntau qhov chaw nres nkoj thiab saib cumbersome.Lub router cov chaw nres nkoj me dua thiab qhov ntim tsawg dua.Qhov tseeb, daim duab ntawm sab xis tsis yog lub router tiag tiag tab sis sib xyaw ua haujlwm ntawm lub router.Ntxiv rau qhov fu ...Nyeem ntxiv -
Cov khoom siv ONU twg zoo dua rau kev saib xyuas?
Niaj hnub no, nyob rau hauv cov nroog kev sib raug zoo, cov koob yees duab soj ntsuam tau pib nruab rau hauv txhua lub ces kaum.Peb yuav pom ntau lub koob yees duab soj ntsuam hauv ntau lub tsev nyob, tsev ua haujlwm, khw muag khoom, tsev so thiab lwm qhov chaw los tiv thaiv qhov tshwm sim ntawm kev ua txhaum cai.Nrog kev txhim kho tsis tu ncua ...Nyeem ntxiv -
ONU ntaus ntawv yog dab tsi?
ONU (Optical Network Unit) optical network unit, ONU muab faib ua active optical network unit thiab passive optical network unit.Feem ntau, cov khoom siv nruab nrog kev saib xyuas hauv network nrog rau cov khoom siv kho qhov muag, cov khoom siv hluav taws xob sab saud, thiab ntau lub txuas txuas txuas txuas yog hu ua optical node ...Nyeem ntxiv -
OTN nyob rau hauv lub era ntawm all-optical network 2.0
Txoj kev siv lub teeb xa cov ntaub ntawv tuaj yeem hais tias muaj keeb kwm ntev.Niaj hnub no "Beacon Tower" tau tso cai rau tib neeg kom paub txog qhov yooj yim ntawm kev xa cov ntaub ntawv los ntawm lub teeb.Txawm li cas los xij, txoj kev sib txuas lus kho qhov muag tseem ceeb no yog qhov rov qab, txwv ...Nyeem ntxiv -
Yuav ua li cas kom paub qhov txawv ntawm cov keyboards thiab routers sai sai
Dab tsi yog router?Routers feem ntau yog siv nyob rau hauv cheeb tsam hauv cheeb tsam network thiab thaj chaw dav dav.Nws tuaj yeem txuas ntau lub network lossis ntu network rau "txhais" cov ntaub ntawv cov ntaub ntawv ntawm cov tes hauj lwm sib txawv lossis cov ntu network, kom lawv tuaj yeem "nyeem" ib leeg cov ntaub ntawv rau ...Nyeem ntxiv -
Dab tsi yog hom tseem ceeb ntawm ONU cov cuab yeej siv los ntawm cov neeg siv khoom siv fiber ntau optic?
1. Cov khoom siv ONU siv los ntawm cov neeg siv khoom feem ntau yog raws li hauv qab no: 1) Raws li cov naj npawb ntawm cov chaw nres nkoj LAN, muaj ib qho chaw nres nkoj, 4-chaw nres nkoj, 8-chaw nres nkoj thiab ntau qhov chaw nres nkoj ONU.Txhua qhov chaw nres nkoj LAN tuaj yeem muab hom kev sib txuas thiab routing hom feem.2) Raws li seb nws muaj WIFI muaj nuj nqi los tsis, nws ca ...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm ONU zoo tib yam thiab ONU uas txhawb POE?
Kev ruaj ntseg cov neeg uas tau ua haujlwm hauv PON tes hauj lwm yeej paub ONU, uas yog ib qho khoom siv nkag tau siv hauv PON network, uas yog sib npaug rau kev nkag mus rau hauv peb lub network li niaj zaus.PON network yog passive optical network.Qhov laj thawj yog vim li cas nws thiaj li hais tias tsis muaj zog yog qhov kho qhov muag fiber ntau ...Nyeem ntxiv