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[AIPUWATON] Nkag siab txog yim lub xov hlau hauv Ethernet Cables: kev ua haujlwm thiab kev coj ua zoo tshaj plaws

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Txuas Txuas Network Cables tuaj yeem tsis meej pem, tshwj xeeb tshaj yog thaum sim los txiav txim siab qhov twg ntawm Ethernet cable yog qhov tseem ceeb rau kev ua kom muaj kev sib kis no. Txhawm rau kom paub meej txog qhov no, nws yog ib qho tseem ceeb kom nkag siab txog kev ua haujlwm ntawm cov xov no: lawv tau tsim los txo cov xov hluav taws xob hauv hluav taws xob ntawm cov xaim sib dhos. Cov kev sib tw no tso cai rau hluav taws xob hluav taws xob cov teeb tsa hluav taws xob kom thim tawm txhua lwm yam tawm, zoo tshem tawm kev cuam tshuam. Lo lus "Twisted Puam" aptly piav qhia qhov kev tsim kho no.

Cov evolution ntawm cov khub khub

Twisted khub tau siv rau hauv xov tooj ntsuas xov tooj, tab sis lawv cov txiaj ntsig tau coj mus rau lawv cov kev txawj saws me nyuam hauv digital. Tam sim no, cov hom siv dav tshaj plaws yog qeb 5E (miv 5E) thiab qeb 6) ob qho tseem muaj peev xwm ua tiav bandwidths txog li 1000 MBPS. Txawm li cas los xij, ib qho kev txwv tseem ceeb ntawm cov khub khub khub sib txawv yog lawv qhov kev sib kis tau tshaj plaws, uas feem ntau tsis pub tshaj 100 meters.

Nws yog ib qho tseem ceeb kom nco ntsoov tias nco tau qhov kev txiav txim T568A tsis tsim nyog muab nws cov kev poob qis. Yog tias xav tau, koj tuaj yeem ua tiav cov qauv no tsuas yog los ntawm kev hloov cov xov hlau 1 nrog 3 thiab 2 nrog 6 raws li T568B kev teeb tsa.

Cov hluav taws xob teeb tsa rau kev siv sib txawv

Rau cov ntawv thov txheem siv cov qeb 5 thiab qeb 5e twisted khub, plaub khub ntawm cov xov hlau-li, Yim tag nrho cov xov hlau-feem ntau ua haujlwm. Rau network operating nyob rau hauv 100 Mbps, cov kev teeb tsa ib txwm muaj kev siv xov hlau 1, 2, 3, thiab 6. Cov xaim no ntawm ob qho tib si:

1a
2b

T568B Kev Lag Luam Treading:

  • Tus pin 1: txiv kab ntxwv-dawb
  • Tus PIN 2: Txiv Kab Ntxwv
  • Tus PIN 3: Ntsuab-Dawb
  • Tus PIN 4: Xiav
  • Tus pin 5: xiav-dawb
  • Tus pin 6: ntsuab
  • Pin 7: Brown-Dawb
  • Tus Pin 8: Xim av

 

T568A Kev Txiav Hluav Taws Xob T48A:

Tus Pin 1: Ntsuab-Dawb
Tus PIN 2: Ntsuab
Tus lej 3: Txiv kab ntxwv-dawb
Tus PIN 4: Xiav
Tus pin 5: xiav-dawb
Tus Pin 6: Txiv Kab Ntxwv
Pin 7: Brown-Dawb

Tus Pin 8: Xim av

Nyob rau hauv feem ntau cov ethernet ceev nras, tsuas yog plaub ntawm yim lub cores (1, 2, 3, thiab 6) ua haujlwm hauv kev xa mus thiab tau txais cov ntaub ntawv. Cov xaim uas tseem tshuav (4, 5, 7, thiab 8) yog Bidirectional thiab feem ntau tshwj tseg rau kev siv yav tom ntej. Txawm li cas los xij, hauv kev tshaj tawm ntau tshaj 100 MBPs, nws yog tus qauv xyaum los siv tag nrho yim cov xov hlau. Hauv qhov no, xws li nrog qeb 6 lossis cov xaim siab dua, siv tsuas yog cov txheej txheem ntawm cov cores yuav ua rau cuam tshuam nrog kev ua kom muaj kev cuam tshuam network ruaj khov.

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Cov Ntaub Ntawv Tso Tawm (+)
Cov Ntaub Ntawv Tso Tawm (-)
Cov ntaub ntawv tawm tswv yim (+)
Tshwj tseg rau kev siv xov tooj
Tshwj tseg rau kev siv xov tooj
Cov ntaub ntawv tawm tswv yim (-)
Tshwj tseg rau kev siv xov tooj
Tshwj tseg rau kev siv xov tooj

Lub Hom Phiaj Ntawm Txhua Tus Hlau

Txhawm rau kom nkag siab zoo dua yog vim li cas xaim xaim xaim 1, 2, 3, thiab 6 tau siv, cia saib cov hom phiaj tshwj xeeb ntawm txhua tus tseem ceeb ntawm txhua tus tub ntxhais:

Qhov tseem ceeb ntawm kev sib tw khub sib txawv thiab kev thaiv

Thaum tshem tawm cov eternet cable, koj yuav pom cov sib ntswg ntawm cov khub xaim sib txawv. Cov ris tsho them rau cov ntaub ntawv sib kis-feem ntau cov txiv kab ntxwv thiab cov khub ntsuab-tau nruj dua cov hauv av thiab lwm yam haujlwm, xws li xim av thiab xiav. Yog li ntawd, adhering rau T568b wiring txheem thaum cov duab puab thaj cables yog qhov tseem ceeb rau kev ua tau zoo.

Cov kev ua kom tsis yog

Nws tsis yooj yim dua kom hnov ​​cov tib neeg lub xeev, "Kuv nyiam siv kuv tus kheej kev npaj thaum ua cov khoom siv; yog qhov siv tau?" Thaum muaj qee yam hloov pauv rau tus kheej siv tom tsev, nws yog tus tswv yim heev los ua raws li cov khoom siv hluav taws xob uas tsim muaj cov xwm txheej tseem ceeb. Kev tawm tsam los ntawm cov qauv no tuaj yeem cuam tshuam qhov ua tau zoo ntawm khub khub khub cable, ua rau cov ntaub ntawv kis tau cov kev sib kis no thiab txo cov kev sib kis mus deb.

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Tag

Hauv cov ntsiab lus, yog tias koj txiav txim siab npaj cov xaim raws li tus kheej nyiam, nco ntsoov tso xov tooj nrog tus kheej 1 thiab 3 ua ke hauv ib khub xaim, thiab xaim 2 thiab 6 ua ke rau lwm tus khub sib tw. Ua raws li cov lus qhia no yuav ua kom koj lub network ua haujlwm tau zoo thiab ntseeg tau.

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