RJ45: zvese nezve network yekubatanidza

Ethernet network uye modem uye router kabling inowanzo shandisa iyo chaiyo RJ45 yekubatanidza. Zvese zvekutengesa cabling uye zvigadzirwa zveterevhizheni pasi pe3 EIA / TIA-568-B zviyero zvakazvitora sekubatana. Naizvozvo, ndeimwe yeanonyanya kufarirwa maumboni ekubatanidza aripo nhasi, kunyangwe hazvo kuti waya dzisina waya dzakakurumbira mudzimba nemahofisi, asi dzichiri kushandiswa kuwanda kwekushandisa.

EIA (Electronic maindasitiri Mubatanidzwa), mubatanidzwa wemakambani emagetsi neetekinoroji muUnited States ane chinangwa chekusimudzira nekusimudzira kukwikwidza muindastiri iyi, yakapihwa basa rekugadzira iyo RJ45 (Yakanyoreswa Jack). Uye kunyangwe ichizivikanwa nhasi, haisi yekubatanidza ichangoburwa, kutaura zvazviri, kudzokororwa kwaro kwekutanga kwakaitwa muna 1991. Nenzira, haufanire kuisanganisa nezvimwe zvakafanana neiyo RJ11 (diki saizi uye akasiyana maitiro).

Pinout uye RJ45 kubatana

El RJ45 Iyo ine epurasitiki dhizaini, kazhinji yakajeka (panogona kunge paine mamwe mavara), iyo iine 8 simbi pini dzekubatanidza. Uye zvakare, ine mhando yesemi kiramba ine tabo inoenderana muchiteshi kuti isafambe kana kusununguka, sezvo chiri chinongedzo chinotsigira kufambiswa kwedata, chinofanirwa kuchengetedzwa.

Kana zviri zvekubatana kwetambo dzako, zvinogona kuitwa nenzira mbiri. Imwe yacho ndeye kushandisa crimper kubvisa magumo etambo nekuzvibatanidza nemaoko. Imwe iri kuburikidza neyakagadzirwa maindasitiri maitiro, ayo anoshandiswa netambo dzinogadzirwa nevagadziri. Nekudaro, zvirokwazvo, kana iwe ukashanda nemhando iyi yemidziyo netiweki, zvirokwazvo iwe wakambofanira kuzviita nemawoko kugadzira maviri akakombama vaviri semuenzaniso ...

Tambo dzine yavo kodhi yemavara uye zvarinoreva:

* Pane zviyero zvakasiyana, zvinoenderana navo unogona kuve neimwe kana imwe kodhi yemavara ... Iwe unofanirwa kutarisisa kune izvo kuti ubatanidze nenzira kwayo

Mhando dzekubatanidza

Iyo tambo yekubatanidza iyo yandakatsanangura muchikamu chakapfuura inogona kuitwa nenzira dzinoverengeka zvinogoneka, nokudaro zvichisiyana mashandisirwo ayo tambo yeRJ45 inofanira kushandiswa. Iyo nzira dzekubatanidza nadzo Ndizvo:

• Direct: iwo iwo marongero emapini anoremekedzwa kumagumo ese, ndiko kuti, ichave yakabatana zvakafanana mune maviri RJ45 atinawo mune tambo. Mune ino kesi, zvishandiso zvisina kuenzana zvinogona kubatanidzwa, semuenzaniso PC uye switch, kana PC uye hub, nezvimwe.
• Akayambuka: inonyanya kufarirwa mumashandisirwo ekubatanidza madhijitari maviri akaenzana mu network kuti ikwanise kufambisa data pakati pavo isina mudziyo wepakati. Semuenzaniso, unogona kubatanidza maPC maviri zvakananga kuburikidza nemakadhi avo enetiweki nekambani yecrossover. Kune izvi, tambo dzeRX neTX dzinofanira kuyambuka, kuitira kuti kana PC ichifambisa kuburikidza neTX inogamuchirwa neimwe PC kuburikidza neRX, uye zvinopesana.

Unoziva chii kuvabatanidza iwe ungazoda yakakosha crimper, magetsi akajairwa haana kukodzera kutsemura tambo dzemagetsi. Mune ino kesi, ndeye crimper iyo ine chaiyo chishandiso cheRJ45. Asi nzira yekubatanidza nayo iri nyore chaizvo sezvinoonekwa muvhidhiyo iyi:

Mhando dzeCable

Muchikamu chino tichaona lmhando dzetambo iyo yatinogona kuwana yeRJ45 yekubatanidza.

Tambo:

Yeiyo RJ45 iwe yaunogona kuwana mhando dzakasiyana dzetambo muzvitoro. Zvinosiyana zvichienderana nekuvakwa kwemukati uye mhando yekushandisa iyo yega yega inomira.

• UTP- Yakagadzirirwa kusanganiswa netambo isina kuvharwa yakamonyaniswa tambo. Mutengo wavo wakaderera kwazvo uye zviri nyore kushandisa, asi ivo vanokwanisa kuburitsa zvikanganiso zvakawanda kupfuura mamwe marudzi etambo uye vane ganhuriro dzekushanda pamusoro penzvimbo refu pasina masaiti emagetsi. Naizvozvo, iwo angave akanaka pakubatanidza zvishandiso zviri padyo uye uko zvikanganiso zvisina kukosha.
• ftp- Yakagadzirirwa kusanganiswa netambo yepasi rose yakadzivirirwa yakakomberedzwa tambo Iyi dziviriro inovandudza zvakanyanya kuvimbika kwetambo yekuchinjisa, nekuti ivo vanogadzira skrini yakafanana neiya yemakesi coaxial mumaterevhizheni eTV. Iyo impedance ndeye 120 ohms. Dzichava dzichidhura zvishoma pane UTP, asi zviri nani kumatunhu akareba uye panokanganisa zvakanyanya.
• Stp: yakagadzirirwa kusanganiswa neakasarudzika vhezheni yakakombama tambo tambo iyo inoshandisa simbi inodzivirira kuscreen uye inodzivirira tambo (yevaviri vaviri uye yegungano rese). Iyo ndiyo inodhura kwazvo kupfuura zvese, asiwo iyo inopa mhinduro dzakanakisa.

Categories

Uyewo kune zvikamu kune izvi zvinongedzo:

• Chikamu 5: yaive yakagadzirirwa kutapudza pazviyero zve100Mhz, ichipa kukurumidza kumhanya kwe100Mbit / s. Shandisa maviri akamonyaniswa maviri nehurefu hwemamita zana. Nekufamba kwenguva zvakashanduka uye chikamu che100 chakatangwa icho chakaenderana zvakanyanya nematanho, zvichinzi kuwedzera kukurumidza kusvika ku5 Mbit / s. Kune izvo, mapara matsva akamonyaniswa aidiwa (350). Saka tichifungidzira kuti mamiriro acho akanaka, tichifunga kuti vane mana maviri uye marefu marefu, vanogona kushandiswa kuGigabit Ethernet.
• Chikamu 6- Yakambowirirana neiyo 5e, iyi tambo nyowani inotongwa neyakaomarara zviyero uye yakavandudzwa dziviriro. Yakagadzirwa seyakajairwa Gigabit Ethernet, saka zvinokurudzirwa kupokana 5 ne5e. Mune ino kesi, inopa ekumhanya kumhanya anosvika 1000 Mbit / s kana 1 Gbit / s aine huwandu hwe250 Mhz. Kana kureba kwetambo iyi, inova zana metres, kuchideredzwa kusvika makumi mashanu, inogona kushandiswa kuGigabit-100. Kune zvakare Chikamu 50a icho chinowedzera zvakapetwa kusvika pa10Mhz uye chinodzora ruzha kupindirana nefil-based based protection kuti ivandudze muGigabit-6 Ethernet modhi.
• Chikamu 7: yakagadziridzwa kukwira kusvika ku600 Mhz (ivo vakagadziridzwa kusvika pa1000Mhz) kuti vashande zvakanaka muGigabit 40/100. Zvakafanana nechikamu 6a dziviriro, asi nechengetedzo yemunhu kune yega yega mana akamonyoroka mapara Mune kesi ye1Ghz inoshanda frequency, inoitawo kuti ive yakakodzera kune yakaderera-frequency tambo terevhizheni kutapurirana.

Ehe, wedzera kumagumo iwe aunogona kuwana vese varume nevakadzi kubatana mumusika. Izvo zvakachipa kwazvo uye hazvina kuomarara kuwana kune ako mapurojekiti. Izvo zvakafanana netambo, uyezve iwe unenge uine zvakati wandei zvekuwedzera kwavari, senge shanduri kubva kune imwe mhando kuenda kune imwe, nezvimwe, izvo zvinogara zvichizobatsira mune zvimwe zvinoshandiswa ...

RJ45 macheki

Muzvitoro zvine hunyanzvi iwe uchawanawo testers, zvishandiso zvinokutendera kuti uite bvunzo kutarisa mashandiro etambo ako enetiweki, angave anoshandiswa kana nyowani awakaunganidza iwe pachako. Kune zvakare makiti ekushanda ne network cabling iyo inosanganisira iyo crimper, tester, inserter, nezvimwe mune iyo kesi.

Zvisinei, pane nzira dzakawanda dzekutarisa RJ45 zvinongedzo, pamwe nekushandisa multimeter kana multitester, kuyedza kuburikidza neyekugadzirisa, nezvimwe. Heano mimwe mienzaniso:

• Iine hub kana concentrator- Unganidza chete kumucheto kwetambo kune yemagetsi hub. Kana iyo LED inoenderana nechiteshi patakabatanidza magumo anovhenekera, zvinoreva kuti inoshanda. Zvikasadaro zvaizoreva kuti hazvina kunaka kana kuti hauna kuzvibatanidza zvakanaka. Iwe unogona zvakare kubatanidza mumwe mugumo kune chimwe chishandiso uye edza kuita kuchinjisa kuti uone zvizere kana ichishanda ...
• Iine multitester kana multimeter: Unogona kushandisa iwo matipi eimwe eaya maturusi kuti uone kana zvazvino zviri kutapuriranwa kuburikidza netambo

Rosettes

Ndisati ndataura kuti kune zvekare zvinowani zvevakadzi uye zvechirume, hazvo, kazhinji, zvemapurojekiti emagetsi, chinhu chinowanzoitika ndechekuti iwe unoda chinongedzo chevakadzi kuti ubatanidze magumo echirume RJ45 tambo. Asi iwe ungangodawo kuvaka kana batanidza rosette kusiya chinongedzo chakagadziriswa kana kubatanidza yako projekiti kune chivakwa wiring network, nezvimwe.

Nenzira, kune avo vasingazive, iyo rosette iri iro diki repurasitiki bhokisi iro rinowanzo kuwanikwa muzvivakwa padivi pefoni uko iyo router / modem inowanzo kuve yakabatana, nezvimwe. Mumusika iwe unowana akati wandei marudzi, ese ari maviri akareruka aine imwechete yekubatanidza chiteshi, sekaviri, kuiswa mukati mumadziro kana kunze, nezvimwe.

Rangarira izvozvo rosettes ine michina mukati yakafanana neiyo yeRJ45 yekubatanidza tambo. Iyo inogona kuve imwe yetambo iwe yawakasarudzira purojekiti yako, uye chaizvo izvo zvaunofanirwa kuita kuvhura rosette uye kuibatanidza. Kana iri rakadzoserwa rosette mumadziro, ivo vanowanzo kuve netrimu iyo iwe yaunofanirwa kubvisa neiyo shoma lever uye ichabuda zviri nyore kukurega iwe uone mukati. Kana iri yekunze, iyo yekudzivirira kesi inogona kuvharwa ne snap clip kana screws.

Kana kamwe chivharo chabviswa, unogona bvisa tambo ne crimper kusiya anokwana mamamilimita mashoma emakona ayo pasina dziviriro yekudzivirira, nemhangura yakafumurwa. Rangarira kuti kusamurwa kwemaviri hakufanirwe kunge kuri pamusoro pe13 mm. Izvo zvinofanirwa kungokwana chete kukutendera kuti ushande mushe neshinda sere, asi usingaisiye isina kudzivirirwa.

Paunenge iwe uine tambo dzakagadzirira, kubatana kwacho kwakafanana neiyo yeRJ45, ndiko kuti, iwe unopfuudza tambo kuburikidza nemitsetse ye wobva wavasiya vakagara pamwe chete neakaiswa. Zvirinani kuzvipfuudza kubva mukati uchienda kunze kuti zvidzivise kubuda kakawanda. Chinhu chinonyengera apa ndechekudzivirira dzimwe tambo dzakatopinzwa kubva kubuda isu tichiisa zvimwe ... Asi usazvidya moyo, zvinogona kukubhadhara zvakanyanya pakutanga, asi zvadaro zviri nyore. Zvakare, yeuka kuremekedza iwo mavara.

Iyo nzira yekushandisa iyo inserter iri nyore, ingori yekuishandisa nayo nekupera kwetambo kuti ikwane iyo mumatanho eiyo yekubatanidza. Ukasundidzira iwe unonzwa kutsemuka, ruzha runokuudza kuti rwakagadzirira. Rangarirai anosvina waya isina chinhu kupokana neburi kuti riipure uye rinocheka zvakawandisa.