Xov xwm
-
Qhov hloov pauv hloov pauv hauv peb txoj hauv qab no
1) Ncaj-dhau: Ib qho ncaj-los ntawm Ethernet hloov tuaj yeem nkag siab tias yog kab matrix xov tooj hloov nrog crossover ntawm cov chaw nres nkoj.Thaum nws pom ib pob ntawv cov ntaub ntawv ntawm qhov chaw nres nkoj nkag, nws tshawb xyuas cov pob ntawv header ntawm pob ntawv, tau txais qhov chaw nyob ntawm pob ntawv, pib lub interna ...Nyeem ntxiv -
Kev cuam tshuam ntawm ONU lub teeb tsis muaj zog ntawm lub network ceev
ONU yog qhov peb feem ntau hu ua "lub teeb miv", ONU lub teeb qis yog hais txog qhov tshwm sim uas lub hwj chim kho qhov muag tau txais los ntawm ONU tsawg dua qhov tau txais kev nkag siab ntawm ONU.Qhov tau txais rhiab heev ntawm ONU yog hais txog qhov tsawg kawg nkaus kho qhov muag lub zog uas ONU tuaj yeem tau txais thaum lub sijhawm norma ...Nyeem ntxiv -
Dab tsi yog qhov hloov pauv?Nws yog dab tsi?
Hloov (Switch) txhais tau hais tias "hloov" thiab yog ib qho khoom siv network siv rau hluav taws xob (optical) teeb liab xa mus.Nws tuaj yeem muab txoj hauv kev tshwj xeeb hluav taws xob rau ib qho ob lub network nodes ntawm kev nkag mus.Cov keyboards feem ntau yog Ethernet keyboards.Lwm yam uas yog xov tooj vo...Nyeem ntxiv -
Muaj pes tsawg ONUs tuaj yeem txuas rau OLT?
64, feem ntau tsawg dua 10. 1. Nyob rau hauv txoj kev xav, 64 tuaj yeem txuas nrog, tab sis xav txog qhov attenuation ntawm lub teeb thiab qhov rhiab heev ntawm onu rau lub teeb, nyob rau hauv kev siv tswv yim dav dav, tus naj npawb ntawm kev sib txuas ntawm ib qho chaw nres nkoj yog tsawg dua 10. Qhov siab tshaj plaws tus naj npawb ntawm cov neeg siv nkag los ntawm olt tsuas yog txwv los ntawm thre ...Nyeem ntxiv -
Kev paub txog kev hloov kho qhov muag thiab cov chaw nres nkoj hluav taws xob
Muaj peb hom keyboards: ntshiab hluav taws xob ports, ntshiab optical ports, thiab ib co hluav taws xob ports thiab ib co optical ports.Tsuas muaj ob hom chaw nres nkoj, qhov chaw kho qhov muag thiab cov chaw nres nkoj hluav taws xob.Cov ntsiab lus hauv qab no yog cov kev paub txog kev hloov kho qhov muag thiab qhov chaw nres nkoj hluav taws xob txheeb ...Nyeem ntxiv -
Qhov twg ONU ntaus ntawv 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 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 ntawm ec ...Nyeem ntxiv -
Qhov "switch" ua li cas?siv li cas?
1. Paub qhov hloov ntawm qhov muaj nuj nqi: qhov hloov pauv yog siv los txuas ntau yam khoom siv, kom lawv muaj cov xwm txheej rau kev sib txuas hauv network.Los ntawm cov ntsiab lus: tus hloov pauv yog ib qho khoom siv network uas tuaj yeem txuas ntau yam khoom siv rau lub computer network thiab xa cov ntaub ntawv mus rau qhov chaw los ntawm pob ntawv ...Nyeem ntxiv -
Lub network thaj vaj huam sib luag thiab cov keyboards siv li cas?
Kev sib txuas ntawm lub network thaj vaj huam sib luag thiab qhov hloov pauv yuav tsum tau txuas nrog lub network cable.Lub network cable txuas lub thaj thav duab nrog rau cov neeg rau zaub mov, thiab thaj thav duab hauv chav xaim kuj tseem siv lub network cable los txuas nrog qhov hloov.Yog li cas koj txuas?1. Pass-Th...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm ib txwm ONU thiab ONU uas txhawb nqa PoE?
Cov neeg ua haujlwm ruaj ntseg uas tau ua PON network yeej paub txog 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 -
Txoj kev loj hlob zeem muag ntawm qhov hloov
Nrog rau kev loj hlob sai ntawm huab xam thiab virtualization technologies, kev koom ua ke ntawm cov ntaub ntawv chaw pabcuam tau muab cov kev xav tau ntau dua rau kev ua haujlwm, kev ua haujlwm, thiab kev ntseeg siab ntawm cov keyboards.Txawm li cas los xij, vim cov ntaub ntawv chaw hloov pauv tuaj yeem nqa ntau yam kev pabcuam, cov ntaub ntawv xa tawm ...Nyeem ntxiv -
Tuam Tshoj Txawb PON cov cuab yeej nthuav dav ib feem hauv nruab nrab kev yuav khoom: 3269 OLT cov cuab yeej
Tuam Tshoj Txawb tshaj tawm lub hauv paus ntawm kev yuav khoom ntawm PON cov cuab yeej nthuav dav los ntawm 2022 txog 2023 - cov npe ntawm cov khoom siv los ntawm ib qho chaw, suav nrog: ZTE, Fiberhome thiab Shanghai Nokia Bell.Yav dhau los, Tuam Tshoj Mobile tau tshaj tawm 2022-2023 PON cov cuab yeej tshiab hauv nruab nrab kev yuav khoom ...Nyeem ntxiv -
Kuv yuav ua li cas yog tias fiber ntau optic transceiver poob?
Optical fiber ntau transceivers feem ntau yog siv nyob rau hauv qhov tseeb network ib puag ncig qhov twg Ethernet cables tsis tau them thiab kho qhov muag fibers yuav tsum tau siv los mus txuas ntxiv kis tau tus mob.Nyob rau tib lub sijhawm, lawv kuj tau ua lub luag haujlwm loj hauv kev pab txuas lub mais kawg ntawm cov kab hluav taws xob kho qhov muag ...Nyeem ntxiv