Vim li cas cov yas kho qhov muag cable suav hais tias yog qhov sib txawv ntawm kev sib txuas lus yav tom ntej?
Raws li ib qho kev sib txuas lus sib txuas lus nruab nrab, yas kho qhov muag fiber ntau yog suav tias yog tus qauv ntawm kev sib txuas lus yav tom ntej rau cov laj thawj hauv qab no:
Ua ntej, yas optical cables muaj ntau dua kev sib kis bandwidth. Transmission bandwidth yog hais txog tus nqi ntawm cov ntaub ntawv uas lub teeb liab tuaj yeem xa mus rau ib lub sijhawm, uas yog, muaj peev xwm sib txuas lus ceev. Kev sib kis bandwidth ntawm cov yas kho qhov muag cables yog ntau dua li cov tsoos tooj liab cables, cia siab dua cov ntaub ntawv kis tau tus mob kom tau raws li kev xav tau kev sib txuas lus.
Qhov thib ob, cov yas kho qhov muag cables muaj cov teeb liab qis qis. Lub teeb liab attenuation yog hais txog qib ntawm lub teeb liab attenuation thaum kis. Qhov tsawg dua qhov attenuation, qhov zoo ntawm cov teeb liab kis tau zoo. Lub teeb liab attenuation ntawm cov yas kho qhov muag cables yog me dua li ntawm cov tsoos tooj liab cables, tso cai rau cov ntaub ntawv kis tau tus mob ntev dua thaum tswj kev sib kis tau zoo.
Ib zaug ntxiv, cov yas kho qhov muag muaj qhov me me thiab qhov hnyav. Vim hais tias cov yas kho qhov muag cables siv txoj kev sib kis ntawm lub teeb, cov teeb liab kis tau tus mob tsis tas yuav tsum muaj cov xov hlau thiab cov ntsaws ruaj ruaj, yog li lawv tuaj yeem ua tiav qhov me me thiab qhov hnyav, ua rau kev xaim thiab kev teeb tsa yooj yim dua. Qhov no kuj ua rau daim ntawv thov ntawm cov yas kho qhov muag cables yooj yim dua hauv qee qhov chaw tshwj xeeb.
Tsis tas li ntawd, cov yas optical cables muaj cov nqi qis dua. Nrog rau kev txhim kho txuas ntxiv ntawm kev sib txuas lus thev naus laus zis, cov nqi tsim khoom ntawm cov yas kho qhov muag cables tau maj mam txo qis, ua rau nws tus nqi maj mam mus rau ntawm cov tsoos tooj liab cables. Xav tias cov yas kho qhov muag cables muaj kev sib kis tau zoo dua thiab cov txheej txheem kev siv dav dua, kev txhim kho kev sib txuas lus yav tom ntej yuav muaj kev xav ntau dua los siv cov khoom siv kho qhov muag.
Yog tias koj muaj lus nug thiab lus nug ntxiv, thov hu rau kuv hauv qab no.
Freya Shao
E-mail: yll@txpof.com
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Zuag qhia tag nrho, raws li hom tshiab ntawm kev sib txuas lus nruab nrab, yas kho qhov muag cable muaj ntau yam zoo, nrog rau kev sib kis bandwidth siab, tsis tshua muaj teeb liab attenuation, me me thiab hnyav, thiab tus nqi qis. Yog li ntawd, cov yas kho qhov muag cables raug suav hais tias yog kev txhim kho yav tom ntej ntawm kev sib txuas lus thiab yuav ua lub luag haujlwm tseem ceeb hauv kev sib txuas lus yav tom ntej.
