Dab tsi yog Cable Modem?

Cov txheej txheem:

Dab tsi yog Cable Modem?
Dab tsi yog Cable Modem?
Anonim

A cable modem yog ib qho tseem ceeb ntawm cov khoom kho vajtse koj yuav tau txais los ntawm koj tus neeg muab kev pabcuam hauv internet lossis yuav khoom sib cais. Nws tau txais thiab xa cov ntaub ntawv xws li emails, nplooj ntawv web, ntawv nyeem, thiab lwm yam ntaub ntawv los ntawm cov ntaub ntawv tseem ceeb sib txuas.

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Cable Modem Ua li cas?

Zoo li txhua tus modems, cable version tswj thiab faib cov ntaub ntawv hauv internet rau lub tsev lossis lub tsev. Dab tsi ua rau cable version tshwj xeeb yog nws txav cov ntaub ntawv los ntawm tib lub jack thiab cables koj siv los saib TV.

Feem ntau cov tuam txhab uas muaj cable internet siv lawv cov kev tsim kho uas twb muaj lawm los ntxiv cov haujlwm ntxiv rau saum TV programming. Qhov kev hloov pauv no zoo ib yam li cov chaw muab kev pabcuam hauv xov tooj uas tau nthuav dav rau hauv lawv cov internet ceev, DSL. Feem ntau koj yuav muaj peev xwm txuag tau nyiaj los ntawm kev pab cuam cable nrog internet los ntawm tib tus kws kho mob.

Cable internet yog hom broadband, uas txhais tau hais tias nws tuaj yeem ua ntau yam txheej txheem ib txhij. Nws feem ntau nrawm dua DSL tab sis qeeb dua li cov tshuab fiber ntau tshiab.

Qhov txawv ntawm Modem thiab Cable Modem yog dab tsi?

Txhua tus modem ua haujlwm ib yam: nws ua tus choj kom tau txais thiab xa cov ntaub ntawv hauv internet. Qhov sib txawv ntawm ntau hom thaum kawg los ntawm kev sib txuas lawv siv los ua lawv txoj haujlwm.

Cov qauv qub tshaj plaws tau siv lub tsev xov tooj kom tau txais internet, tab sis lawv khiav tsis tau ib txhij. Yog tias koj nyob hauv lub computer thiab tau txais kev hu, koj yuav poob koj qhov kev sib txuas. Kev nrawm dua DSL internet kuj tseem siv cov xov tooj, tab sis nws ua haujlwm ntawm qhov sib txawv kom koj tuaj yeem tau txais kev hu thaum xa email thiab tsis tas yuav txhawj xeeb txog kev cuam tshuam.

Cable internet hla lub xov tooj tag nrho thiab siv lub tsev cable TV jack thiab coaxial cables los khiav internet. Hauv qhov sib piv, fiber ntau modems siv cov phab ntsa tshwj xeeb uas ISP yuav tsum tau los thiab nruab (nws yuav txhais tau tias lwm qhov hauv koj lub tsev lossis tsawg kawg hauv koj pem teb).

Yuav ua li cas Cable Modem ua haujlwm rau Wi-Fi?

Cov khoom siv uas muab rau koj qhov kev sib txuas hauv internet wireless yog sib xws nrog feem ntau, yog tias tsis yog tag nrho, hom kev sib txuas. Koj tus neeg muab kev pabcuam hauv is taws nem tej zaum yuav muab koj lub cable modem nrog lub wireless router built-in. Cov cuab yeej no tuaj yeem tswj cov ntaub ntawv ntws tawm hauv thiab tawm ntawm lub tsev thiab xa lawv mus rau saum huab cua.

Yog tias koj ISP tsis muab koj lub modem thiab router ua ke, txawm li cas los xij, koj tuaj yeem yuav ib qho sib cais. Koj tsis tas yuav muaj lub router yog tias koj npaj yuav txuas tag nrho koj cov khoom siv ncaj qha mus rau modem ntawm Ethernet cables. Txawm li cas los xij, yog tias koj npaj siab yuav siv cov khoom uas qhov no ua tsis tau zoo lossis ua tsis tau, xws li smartphones, ntsiav tshuaj, lossis cov khoom siv hauv tsev ntse, koj yuav tsum teeb tsa lub wireless network.

FAQ

    Kuv yuav teeb kuv li cas cable modem?

    Txuas koj lub modem rau lub TV phab ntsa jack nrog lub coaxial cable uas tuaj nrog koj lub modem, ces ntsaws rau hauv lub hwj chim. Yog tias koj muaj lub router sab nraud, txuas rau koj lub modem los teeb tsa lub wireless network, lossis txuas koj cov khoom siv ncaj qha rau modem ntawm Ethernet.

    Kuv yuav txuas lub router rau kuv lub modem li cas?

    Plug ib kawg ntawm Ethernet cable rau hauv koj lub modem thiab lwm qhov kawg rau hauv router's WAN chaw nres nkoj. Nrhiav koj lub router lub npe network thiab tus yuam sij network (feem ntau pom nyob hauv qab ntawm lub cuab yeej), tom qab ntawd txuas mus rau Wi-Fi network ntawm koj lub computer.

    Vim li cas kuv lub modem tsis ua haujlwm?

    Muaj peev xwm ua rau koj lub modem tsis ua haujlwm suav nrog kev sib txuas ntawm xoob lossis puas, kev sib txuas lus tsis zoo nrog lub router, overheating, thiab outdated firmware lossis khoom siv. Yog tias koj tsis tuaj yeem txuas rau koj lub network Wi-Fi, ces koj yuav tsum tau kho koj lub router.

    Kuv yuav txuas kuv lub TV thiab modem mus rau ib lub qhov hluav taws xob li cas?

    Txhawm rau txuas lub modem thiab TV rau tib lub coaxial cable, koj yuav xav tau lub cable splitter. Txuas lub cable splitter rau ntawm phab ntsa, ces txuas lub modem thiab TV rau lub splitter.

    Dab tsi yog qhov teeb meem zoo-rau- suab nrov piv rau cable modem?

    Qhov tsawg kawg nkaus teeb liab-rau-nruab piv (SNR) qhov yuav tsum tau ua rau cable modem yog 23.5 dB, tab sis 30 dB lossis siab dua yog pom zoo.

Pom zoo: