UTP — Tsis muaj kev tiv thaiv Twisted khub Twisted khub.
STP — Shielded Twisted Pair (Kab hlau sib txuas uas muaj ntaub thaiv)
FTP — Foiled Twisted Pair aluminium foil shielding network cable.
Qhov sib txawv ntawm "UTP, FTP, SFTP" hauv network cable:
UTP: Unshielded Twisted Pair. UTP tsis muaj cov khoom siv hlau tiv thaiv thiab tsuas muaj ib txheej roj hmab rwb thaiv tsev xwb. Nws pheej yig thiab yoog tau rau kev sib txuas lus. Qhov zoo ntawm nws cov xov hlau yog qhov ua haujlwm tiv thaiv hluav taws zoo thiab tsis tshua muaj hluav taws.
STP: Shield network cable; FTP yog ib lub cable network uas muaj txhuas ntawv ci tiv thaiv; Tus thawj yog lub npe dav, thaum tus tom kawg yog lub npe nqaim. Tab sis qhov tseeb, tam sim no cov kab network tiv thaiv yog cov kab network tiv thaiv txhuas ntawv ci, yog li, STP, FTP yeej zoo ib yam. Piv rau UTP, FTP/STP tsuas yog ib txheej ntxiv ntawm txhuas ntawv ci rau sab nraud ntawm cov hlau tseem ceeb, txhawm rau txo qhov teeb liab attenuation. Kev ua lag luam tsis tshua muaj neeg nyiam.
SFTP: Ob chav tiv thaiv network cable. Cov qauv ntawm cov hlau no yog ua los ntawm FTP/STP txhuas ntawv ci, ntxiv rau ib txheej ntawm cov hlau tooj liab braided net, sab nraud tshaj plaws yog PVC sab nraud quilt. Vim yog ib txheej ntawm cov hlau tooj liab braided net, tuaj yeem txo qhov magnetic teb sab nraud, kev cuam tshuam teeb liab, kuj tseem tuaj yeem txo qhov attenuation ntawm cov teeb liab sab hauv, ua rau kom muaj kev nruj ntawm cov cable. Qhov tsis zoo yog tias hom xov no mos heev, tus nqi kim heev; Cov kab no feem ntau raug nqi ob npaug ntawm UTP. Hom hlau no tsuas yog siv rau hauv cov xwm txheej tshwj xeeb.
Lub sijhawm tshaj tawm: Lub Ib Hlis-23-2021