CSU yog dab tsi?
CSU yog dab tsi?

Video: CSU yog dab tsi?

Video: CSU yog dab tsi?
Video: Npau suav pom ntshav txhais li cas? 2024, Kaum ib hlis
Anonim

A CSU /DSU (channel service unit / data service unit) yog cov khoom siv digital-interface siv los txuas cov ntaub ntawv davhlau ya nyob twg cov khoom siv (DTE), xws li router, mus rau digital circuit, xws li Digital Signal 1 (DS1) T1 kab. Cov CSU /DSU siv ob txoj haujlwm sib txawv.

Ua kom pom qhov no, CSU unit yog dab tsi?

A CSU /DSU (Channel Service Chav tsev /Data Service Chav tsev ) yog cov cuab yeej kho vajtse uas hloov cov ntaub ntawv digital los ntawm kev sib txuas lus thev naus laus zis siv hauv thaj chaw hauv cheeb tsam network (LAN) rau hauv ib lub thav duab tsim nyog rau thaj chaw dav dav (WAN) thiab rov ua dua.

Tom qab, lo lus nug yog, 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.

Tsis tas li ntawd, CSU DSU ua dab tsi?

A CSU / DSU (Channel Service Unit / Data Service Unit) yog cov khoom siv digital-interface siv los txuas cov ntaub ntawv davhlau ya nyob twg cov khoom siv (DTE), xws li router, mus rau digital circuit, xws li Digital Signal 1 (DS1) T1 kab. Cov CSU / DSU siv ob txoj haujlwm sib txawv.

Dab tsi yog qhov txawv ntawm CSU DSU thiab modem?

A. A CSU / DSU converts analog signals los ntawm ib tug router mus rau ib tug xauj kab; a modem converts analog signals los ntawm ib tug router mus rau ib tug xauj kab. B. A CSU / DSU converts analog signals los ntawm ib tug router mus rau ib tug xov tooj kab; a modem converts digital signals los ntawm ib tug router mus rau ib tug xauj kab.

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