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[Aipuwaton] Ukuqonda izintambo eziyisishiyagalombili ezintabeni ze-Ethernet: Imisebenzi kanye nemikhuba emihle kakhulu

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Ukuxhuma Izintambo zenethiwekhi zivame ukudida, ikakhulukazi lapho zizama ukuthola ukuthi yiziphi izintambo zethusi eziyisishiyagalombili ngaphakathi kwekhebula le-Ethernet zibalulekile ekuqinisekiseni ukudluliswa kwenethiwekhi okujwayelekile. Ukucacisa lokhu, kubalulekile ukuqonda umsebenzi ophelele walezi zingcingo: zenzelwe ukunciphisa ukuphazamiseka kwe-electromagnetic (EMI) ngokusonteka ngababili amaphirekhali ndawonye. Lokhu kusonteka kuvumela amagagasi we-electromagnetic akhiqizwe ngesikhathi sokudluliselwa kwamasiginali kagesi ukukhansela omunye komunye ngaphandle, ukuqeda ngempumelelo ukuphazamiseka okungenzeka. Igama elithi "abilisiwe lichaza kahle lokhu kwakhiwa.

Ukuvela kwababili okusontekile

Ababili abasontekile baphinde basetshenziselwa ukudluliswa kwesiginali yocingo, kepha ukusebenza kwabo kuholele ekutholeni kwabo kancane kancane ekudluliseni kwesiginali yedijithali. Njengamanje, izinhlobo ezisetshenziswa kakhulu yisigaba 5E (ikati 5e) nesigaba 6 (ikati 6) ngababili abasontekile, bobabili abakwazi ukufeza ama-bandwidthth afinyelela ku-1000 MBPS. Kodwa-ke, umkhawulo obalulekile wezintambo ezisontekile ezisontekile ibanga labo lokuhambisa eliphakeme, elingeqi amamitha ayi-100.

Kubalulekile ukuqaphela ukuthi ngekhanda i-oda le-T568A alidingeki ukuncipha kwalo okwehlile. Uma kudingeka, ungafinyelela leli Zinga ngokumane ushintshe izintambo 1 nge-3 no-2 nge-6 ngokususelwa ekucushweni kwe-T568B.

Ukucushwa kwe-Wiring kwezicelo ezihlukile

Okokusebenza okujwayelekile kusetshenziswa isigaba 5 kanye nesigaba 5E ngababili abasontekile, ngazimbili izintambo - ngakho-ke, izintambo eziyisishiyagalombili zizonke izintambo - zivame ukuqashwa. Kumanethiwekhi asebenza ngaphansi kwama-100 mbps, ukucushwa okujwayelekile kubandakanya ukusebenzisa izintambo 1, 2, 3, no-6. Izinga elijwayelekile le-wiring, ezaziwa njenge-T568B, zihlela lezi zintambo ezitolo zombili ngale ndlela elandelayo:

1aka
2sha

I-T568B Wiring Order:

  • I-PIN 1: Orange-White
  • I-PIN 2: Orange
  • I-PIN 3: Green-White
  • I-PIN 4: Blue
  • I-PIN 5: Blue-White
  • PIN 6: Luhlaza
  • I-PIN 7: Brown-White
  • I-PIN 8: Brown

 

I-T568A Wiring Order:

I-PIN 1: Green-White
I-PIN 2: Luhlaza
I-PIN 3: Orange-White
I-PIN 4: Blue
I-PIN 5: Blue-White
I-PIN 6: Orange
I-PIN 7: Brown-White

I-PIN 8: Brown

Kumanethiwekhi we-Ethernet asheshayo, ama-cores amane asheshayo kuphela (1, 2, 3, no-6) agcwalise izindima ekudluliseleni nasekutholeni idatha. Izintambo ezisele (4, 5, 7, no-8) ziyi-bitirectional futhi ngokuvamile zigcinelwe ukusetshenziswa okuzayo. Kodwa-ke, kumanethiwekhi adlula ama-Mbps ayi-100, kuwumkhuba ojwayelekile wokusebenzisa zonke izintambo eziyisishiyagalombili. Kulokhu, njengokuthi ngesigaba 6 noma esiphakeme izintambo, kusetshenziswa kuphela isethi yama-coret angaholela ekuzinweni kwenethiwekhi ehlehlisiwe.

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Idatha yokukhipha (+)
Idatha yokukhipha (-)
Idatha yokufaka (+)
Igcinelwe ukusetshenziswa ngocingo
Igcinelwe ukusetshenziswa ngocingo
Idatha yokufaka (-)
Igcinelwe ukusetshenziswa ngocingo
Igcinelwe ukusetshenziswa ngocingo

Inhloso yocingo ngalunye

Ukuze uqonde kangcono ukuthi kungani izintambo 1, 2, 3, no-6 zisetshenzisiwe, ake sibheke izinhloso ezithile zomongo ngamunye:

Ukubaluleka kokusontekile kwama-pair density kanye nokuvikela

Lapho ukhipha intambo ye-Ethernet, uzobona ubuningi obusontekile bamabili we-wire uhluka kakhulu. Amabhuzu abhekele ukudluliswa kwedatha - ngokujwayelekile amabhangqa awolintshi kanye nohlaza - asontekile kakhulu kakhulu kunalabo abebelwe ukubekwa phansi neminye imisebenzi evamile, efana namabili ansundu futhi aluhlaza okwesibhakabhaka. Ngakho-ke, ukunamathela ku-T568BB Wiring Standard lapho ubuciko be-patch patch lubalulekile ekusebenzeni kahle.

Imibono eyiphutha ejwayelekile

Akuyona into evamile ukuzwa ukuthi abantu babantu bathi, "Ngincamela ukusebenzisa ilungiselelo lami lapho senza amakhemikhali; kwamukelekile lokho?" Yize kungahle kube nokuguquguquka okuthile kokusebenzisa komuntu ekhaya, kuyalulekwa kakhulu ukulandela ama-oda we-wiring asunguliwe ezimweni zobuchwepheshe noma ezibucayi. Ukuphambuka kulawa amazinga kungakhalisa ukusebenza kwezintambo ezimbili ezisontekile, okuholela ekulahlekelweni kokuhanjiswa kwedatha okukhulu futhi kuncishiswe ibanga lokudlulisela.

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Ukugcina

Ngamafuphi, uma uthatha isinqumo sokuhlela izintambo ngokuya ngokuthanda komuntu, qiniseka ukubeka izintambo 1 no-3 ndawonye kwelinye elisontekile, nezintambo 2 no-6 ndawonye kwelinye ikhefu elisontekile. Ukulandela le mihlahlandlela kuzoqinisekisa ukuthi inethiwekhi yakho isebenza kahle nangokuthembekile.

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