Yadda Wurin Harkokin Harkokin Sadarwa na Wired yake aiki
Rikicin Jack 45 (RJ45) shi ne nau'in nau'in mai haɗawa na jiki don igiyoyin sadarwa. RJ45 masu haɗawa sun fi yawan gani tare da igiyoyin Ethernet da cibiyoyin sadarwa.
Ƙananan igiyoyin Ethernet suna ƙunshe da ƙananan matakan filastik a kowace ƙarshen da aka saka a cikin kayan RJ45 na na'urorin Ethernet. Kalmar "toshe" tana nufin layin USB ko "maza" ƙarshen haɗi yayin da kalmar "jack" tana nufin tashar jiragen ruwa ko "mace".
RJ45, RJ45s, da 8P8C
RJ45 matosai yana da nau'i takwas wanda nau'in waya na kebul na kebul yana aiki. Kowace toshe yana da wurare takwas da aka raba game da 1 mm a cikin wanda aka sanya sauti guda ta amfani da kayan aiki na USB na musamman. 8P8C, shorthand ga takwas matsayi, takwas Contact).
Kebul na Ethernet da 8P8C masu haɗin gwiwa dole ne su shiga cikin RJ45 nau'in haɗi don aiki daidai. Ta hanyar fasaha, ana iya amfani da 8P8C tare da wasu nau'ikan haɗi da Ethernet; ana amfani dashi da igiyoyi na RS-232 , misali. Duk da haka, saboda RJ45 yana da nisa mafi yawan amfani da 8P8C, masu sana'a na masana'antu sukan yi amfani da kalmomi guda biyu daidai.
Na'urorin haɗi na gargajiya na gargajiya sunyi amfani da bambancin RJ45 da aka kira RJ45s, wanda ke ƙunshe kawai lambobi biyu a cikin 8P2C sanyi maimakon takwas. Halin da ya dace da jiki na RJ45 da RJ45s ya zama da wuyar ganin ido marar tsabta don fadawa biyu.
Winarorin Wiring RJ45 Masu haɗi
Rino guda biyu na RJ45 na ƙayyadad da tsari na mutum guda takwas ɗin da ake buƙatar lokacin da suke haɗa haɗin haɗi zuwa kebul: ka'idodin T568A da T568B . Dukansu sun bi bin ka'idodi na ɗeɓin na'urar guda ɗaya a cikin launi guda biyar-launin ruwan kasa, kore, orange, blue, ko fari-tare da wasu takalma da haɗuwa masu ƙarfi.
Biyan waɗannan tarurruka yana da mahimmanci lokacin gina ƙananan layin don tabbatar da dacewar na'urar tare da sauran kayan aiki. Don dalilai na tarihi, T568B ya zama mafi daraja. Tebur da ke ƙasa ya takaita wannan launi.
| Pin | T568B | T568A |
|---|---|---|
| 1 | farar fata tare da takalma | farar fata tare da launi na kore |
| 2 | orange | kore |
| 3 | tare da launi | farar fata tare da takalma |
| 4 | blue | blue |
| 5 | farar fata tare da zane-zane | farar fata tare da zane-zane |
| 6 | kore | orange |
| 7 | fararen da launin ruwan kasa | fararen da launin ruwan kasa |
| 8 | launin ruwan kasa | launin ruwan kasa |
Da dama wasu nau'in haɗin suna kama da RJ45, kuma suna iya rikicewa da juna. Masu haɗin RJ11 da aka yi amfani da su tare da igiyoyin tarho, alal misali, yi amfani da haɗin haɗin shida maimakon maƙidattun jigon takwas, yana sa su dan kadan fiye da RJ45 masu haɗin.
Abubuwan Da RJ45
Don samar da haɗin haɗi tsakanin toshe da tashar yanar gizo, wasu matakan RJ45 suna amfani da ƙananan ƙwayar filastik da ake kira tab. Shafin yana haifar da hatimi tsakanin kebul da tashar jiragen ruwa akan sakawa, yana buƙatar mutum ya yi amfani da wasu matsa lamba a kan shafin don ba da damar cirewa. Wannan yana taimakawa hana kebul daga ɓoyewa ba da gangan ba. Abin takaici, waɗannan shafuka sukan karya lokacin da suke komawa baya, wanda ya faru a yayin da ake haɗuwa da haɗin kan wani kebul, tufafi, ko wani abu mai kusa.