CSU DSU siv li cas?
CSU DSU siv li cas?

Video: CSU DSU siv li cas?

Video: CSU DSU siv li cas?
Video: CSU and DSU | what is csu and dsu in networking ?| DTE vs DCE | how does CSU/DSU works ? | CCNA 2023 2024, Tej zaum
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A CSU / DSU (channel service unit / data service unit) yog cov khoom siv digital-interface siv mus txuas cov ntaub ntawv davhlau ya nyob twg cov cuab yeej (DTE), xws li lub router, mus rau lub digital circuit, xws li Digital Signal 1 (DS1) T1 kab. Cov CSU / DSU siv ob txoj haujlwm sib txawv. A CSU / DSU yog qhov sib npaug ntawm modem rau tag nrho LAN.

Tib neeg kuj nug, qhov ua haujlwm ntawm CSU DSU xaiv ib qho yog dab tsi?

A CSU / DSU (Channel Service Unit/Data Service Unit) yog ib qho khoom siv kho vajtse txog qhov loj ntawm ib sab nraud modem uas hloov cov ntaub ntawv digital los ntawm Kev sib txuas lus thev naus laus zis siv nyob rau hauv ib cheeb tsam hauv cheeb tsam network (LAN) rau hauv ib lub thav duab tsim nyog rau thaj chaw dav dav (WAN) thiab rov ua dua.

Kuj Paub, CSU DSU puas tseem siv? Kuv txoj kev nkag siab yog qhov ntawd CSU /DSUs tsis yog lawm siv ntxiv rau cov cuab yeej siv niaj hnub no vim tias kev sib txuas cable zoo li Ethernet tuaj nrog tus nqi qis.

Hauv qhov no, qhov txawv ntawm CSU thiab DSU yog dab tsi?

A. A CSU / DSU converts analog signals los ntawm ib tug router mus rau ib tug xauj kab; ib lub modem hloov cov teeb liab analog ntawm lub router mus rau ib kab xauj. A CSU / DSU hloov cov teeb liab digital los ntawm router mus rau ib kab xov tooj; lub modem converts analog signals los ntawm ib tug router mus rau ib tug xov tooj kab.

CSU DSU feem ntau nyob qhov twg?

A CSU / DSU yog ua tau ob yam sib txawv, cov CSU thiab cov DSU , uas tej zaum yuav nyob rau hauv nyias lub thawv. Hauv cov hnub qub, Cov no yog cov khoom siv cais. Niaj hnub no, lawv yuav luag ib txwm nyob rau hauv ib lub thawv (piv txwv li, ib tug DSL "modem"), los yog ib qho interface module rau DTE (xws li T1 / E1 WIC rau Cisco ISR).

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