Indlela Isixhumi Sokuxhumeka Ngenethiwekhi Esisebenza Ngayo
IJack 45 ebhalisiwe (RJ45) uhlobo olujwayelekile lomxhumanisi womzimba ngezintambo zenethiwekhi. Izixhumanisi ze-RJ45 zivame ukubonwa ngezintambo ze- Ethernet namanethiwekhi.
Izinkambo zanamuhla ze-Ethernet zifaka amaphugi amancane epulasitiki ekupheleni kwawo konke okufakwa kuma-pack RJ45 wamadivayisi e-Ethernet. Igama elithi "ipulagi" libhekisela ekupheleni kwe-cable noma "endodeni" yokuxhumana ngenkathi igama elithi "jack" libhekisela ekupheleni noma "ekugcineni" kwesifazane.
RJ45, RJ45s, no-8P8C
Amaphakheji e-RJ45 afaka izikhonkwane eziyisishiyagalombili lapho izintambo zocingo ze-cable interface ezigesi. I-plug ngayinye inezindawo eziyisishiyagalombili zihlukaniswe ngamaphimitha angu-1 mm lapho izintambo ezifakiwe zifakwa khona usebenzisa i-special ekhemisi yokuhlunga ikhebula.Umkhakha ubiza lolu hlobo lwenethiwekhi I-8P8C, i-shorthand ye-Eight Isikhundla, Ukuxhumana Okuyisishiyagalombili).
Amakhodi e-Ethernet namathrekhi we-8P8C kumele afakwe ngaphakathi kwephethini ye-wiring ye-RJ45 ukuze isebenze kahle. Ngokuyisisekelo, i-8P8C ingasetshenziswa nezinye izinhlobo zokuxhumana ngaphandle kwe-Ethernet; ibuye isetshenziswe ngamakhodi we - serial RS-232 , isibonelo. Kodwa-ke, ngoba i-RJ45 yiyona esebenzisa kakhulu i-8P8C, izimboni zezohwebo zivame ukusebenzisa le mibandela emibili ngokungafani.
Amamodemu wokudayela wendabuko asetshenziselwa ukuhluka kwe-RJ45 ebizwa ngokuthi i-RJ45 , efaka oxhumana nabo ababili kuphela ekulungiseleleni kwe-8P2C esikhundleni sesishiyagalombili. Ukufana okubonakalayo kwe-RJ45 no-RJ45 kwenza kube nzima ngamehlo angafundile ukutshela lezi zici ezimbili.
Amaphoyinti Okuthinta Amathrekhi we-RJ45 Connectors
Amapayipi amabili ajwayelekile we-RJ45 achaza ukuhlelwa kwezintambo eziyisishiyagalombili ezidingekayo uma kufaka ukuxhumeka kwekhebula: izindinganiso ze - T568A ne- T568B . Bobabili balandela umhlangano wokugqoka izintambo ngamanye ama-emibala emihlanu-inombala, eluhlaza, e-orange, eluhlaza okwesibhakabhaka, noma emhlophe-ngesigqi esithile nokuhlanganiswa okuqinile.
Ukulandela le mihlangano kubalulekile uma ukwakha izintambo ukuqinisekisa ukuhambisana kagesi nezinye izinto zokusebenza. Ngenxa yezizathu zomlando, i-T568B isesimweni esithandwa kakhulu. Ithebula elingezansi lifingqa lo coding umbala.
| Pin | T568B | T568A |
|---|---|---|
| 1 | ezimhlophe nge-orange stripe | umhlophe nge-stripe eluhlaza |
| 2 | iwolintshi | oluhlaza |
| 3 | ngendwangu eluhlaza | ezimhlophe nge-orange stripe |
| 4 | blue | blue |
| 5 | emhlophe ngomgqomo ohlaza okwesibhakabhaka | emhlophe ngomgqomo ohlaza okwesibhakabhaka |
| 6 | oluhlaza | iwolintshi |
| 7 | emhlophe ngemigqa emnyama | emhlophe ngemigqa emnyama |
| 8 | obomvu | obomvu |
Ezinye izinhlobo eziningana zezixhumi zifana ne-RJ45, futhi zingadideka kalula. Izixhumi ze-RJ11 ezisetshenziselwa izintambo zocingo, isibonelo, sebenzisa izixhumi eziyisithupha zokuxhuma esikhundleni sezingxenyeni eziyisishiyagalombili zesikhundla, okwenza zibe zimbalwa kakhulu kunezixhumi ze-RJ45.
Izinkinga Nge-RJ45
Ukwenza uxhumano oluqinile phakathi kwe-plug kanye ne-port yenethiwekhi, amanye ama-plugs e-RJ45 asebenzisa isiqeshana esiphansi se-plastic esibizwa ngokuthi ithebhu. Ithebhu idala uphawu oluqinile phakathi kwekhebula kanye nechweba ekufakweni, okudinga ukuthi umuntu afake ukucindezela okuphansi kuthebhu ukuze avumele ukuvula ukuvula. Lokhu kusiza ukuvimbela ikhebula ekuphumeni okungahambi kahle. Ngeshwa, lawa mathupha aphuka kalula uma eguqa emuva, okwenzekayo lapho umxhumeli ehlasela enye ikhebula, izingubo, noma enye into eseduzane.