Kugwiritsiridwa ntchito kwa ma transceivers optical fiber mumapulojekiti ofooka apano ndikofala kwambiri, ndiye timasankha bwanji ma transceivers opangira ma projekiti aumisiri?Pamene fiber optic transceiver ikulephera, mungasamalire bwanji?
1.Kodi afiber optic transceiver?
Optical fiber transceiver imatchedwanso photoelectric converter, yomwe ndi Ethernet transmission media conversion unit yomwe imasinthanitsa ma siginecha amagetsi opotoka mtunda wautali ndi ma sign atali atali.
Kuwona kosiyanasiyana kumapangitsa kuti anthu azimvetsetsa mosiyanasiyana ma transceivers a fiber optic, monga10M imodzi, 100M fiber optic transceivers, 10/100M adaptive fiber optic transceivers ndi1000M fiber optic transceiversmalingana ndi kuchuluka kwa kufala;amagawidwa m'njira zogwirira ntchito.Ma transceivers opangira ma fiber optic omwe amagwira ntchito pagawo lakuthupi ndi ma transceivers a fiber optic omwe amagwira ntchito pagawo lolumikizira deta;kuchokera pamawonekedwe apangidwe, amagawidwa kukhala makompyuta (oyima-yekha) ma transceivers a fiber optic ndi ma transceivers opangidwa ndi fiber optic;molingana ndi kusiyana kwa fiber fiber Pali mayina awiri a multi-mode optical fiber transceiver ndi single-mode optical fiber transceiver.
Kuonjezera apo, pali ma transceivers opangidwa ndi fiber optic transceivers ndi awiri-fiber optic transceivers, opangidwa ndi magetsi opangidwa ndi fiber optic transceivers ndi kunja kwa fiber optic transceivers, komanso ma transceivers opangidwa ndi fiber optic transceivers ndi osayang'aniridwa ndi fiber optic transceivers.Ma transceivers opangira ma fiber optic amaphwanya malire a mita 100 a zingwe za Efaneti pakutumiza kwa data, kudalira tchipisi tating'onoting'ono tomwe timagwira ntchito kwambiri ndi ma buffers akulu, pomwe akukwaniritsa kufalikira kosatsekereza ndikusintha magwiridwe antchito, kumaperekanso kuchuluka kwa magalimoto, kudzipatula kwa mikangano ndi Kuzindikira zolakwika ndi ntchito zina zimatsimikizira chitetezo chokwanira komanso kukhazikika panthawi yotumiza deta.
2.Kugwiritsa ntchito kwa optical fiber transceiver
Kwenikweni, transceiver ya optical fiber imangomaliza kutembenuka kwa data pakati pa zofalitsa zosiyanasiyana, zomwe zimatha kuzindikira kugwirizana pakati pa masiwichi awiri kapena makompyuta mkati mwa 0-100Km, koma ntchito yeniyeniyo imakhala ndi kuwonjezereka kwakukulu.
1. Zindikirani kugwirizana pakati pa masiwichi.
2.Kuzindikira kulumikizana pakati pa chosinthira ndi kompyuta.
3.Kuzindikira kugwirizana pakati pa makompyuta.
4.Transmission relay: Pamene mtunda weniweni wopatsirana umaposa mtunda wotumizira mwadzina wa transceiver, makamaka pamene mtunda weniweni wotumizira umaposa 100Km, ngati malo a malo amaloleza, ma transceivers awiri amagwiritsidwa ntchito pobwerera kumbuyo.Njira yotsika mtengo kwambiri.
5. Kutembenuka kwa single-multimode: Pamene kugwirizana kwa fiber single-multimode kumafunika pakati pa maukonde, transceiver yamitundu yambiri ndi transceiver imodzi yokha imatha kulumikizidwa kubwerera kumbuyo kuti athetse vuto la single-multimode fiber conversion.
6. Wavelength division multiplexing transmission: Pamene mtunda wautali wopangira chingwe chuma sichikwanira, kuti awonjezere kugwiritsa ntchito chingwe cha kuwala ndi kuchepetsa mtengo, transceiver ndi wavelength division multiplexer angagwiritsidwe ntchito palimodzi kuti atumize njira ziwiri. chidziwitso pa ulusi womwewo wa kuwala.
3.Tamagwiritsa ntchito optical fiber transceiver
M'mawu oyamba, tikudziwa kuti pali magulu osiyanasiyana a fiber optic transceivers, koma pakugwiritsa ntchito kwenikweni, chidwi chachikulu chimaperekedwa kumagulu omwe amasiyanitsidwa ndi zolumikizira zosiyanasiyana za ulusi: SC cholumikizira fiber optic transceiver ndi ST cholumikizira fiber optic transceiver. .
Mukamagwiritsa ntchito ma transceivers a fiber optic kulumikiza zida zosiyanasiyana, muyenera kulabadira madoko osiyanasiyana omwe amagwiritsidwa ntchito.
1. Kulumikizana kwa fiber optic transceiver ku zida za 100BASE-TX (kusintha, chimba):
Tsimikizirani kuti kutalika kwa chingwe chopotoka sichidutsa mamita 100;
Lumikizani mbali imodzi ya awiri opotoka ku doko la RJ-45 (Uplink port) la fiber optic transceiver, ndi mapeto ena ku doko la RJ-45 (doko lodziwika bwino) la chipangizo cha 100BASE-TX (kusintha, hub).
2. Kulumikizana kwa fiber optic transceiver ku zida za 100BASE-TX (khadi la intaneti):
Tsimikizirani kuti kutalika kwa chingwe chopotoka sichidutsa mamita 100;
Lumikizani mbali imodzi ya awiri opotoka ku doko la RJ-45 (doko la 100BASE-TX) la fiber optic transceiver, ndi mapeto ena ku doko la RJ-45 la khadi la intaneti.
3. Kulumikizana kwa fiber optic transceiver ku 100BASE-FX:
Tsimikizirani kuti kutalika kwa fiber optical sikudutsa mtunda woperekedwa ndi zida;
Mapeto amodzi a fiber amagwirizanitsidwa ndi cholumikizira cha SC / ST cha transceiver ya fiber optic, ndipo mapeto ena amagwirizanitsidwa ndi cholumikizira cha SC / ST cha chipangizo cha 100BASE-FX.
Chinthu chinanso chomwe chiyenera kuwonjezeredwa ndi chakuti ogwiritsa ntchito ambiri amaganiza akamagwiritsa ntchito fiber optic transceivers: malinga ngati kutalika kwa fiber kuli mkati mwa mtunda wautali wothandizidwa ndi fiber single-mode kapena multi-mode fiber, ingagwiritsidwe ntchito bwino.Ndipotu uku ndikumvetsetsa kolakwika.Kumvetsetsa uku ndikolondola pokhapokha zida zolumikizidwa zili zida zaduplex.Pakakhala zida za theka-duplex, mtunda wotumizira wa fiber optical umakhala wochepa.
4.Mfundo ya optical fiber transceiver kugula
Monga chipangizo cholumikizira netiweki chachigawo, cholumikizira cha fiber optical ndicho ntchito yake yayikulu ndimomwe mungalumikizire deta yamagulu awiriwo.Choncho, tiyenera kuganizira kugwirizanitsa kwake ndi malo ozungulira, komanso kukhazikika ndi kudalirika kwa mankhwala ake, mosiyana: ziribe kanthu kuti mtengo uli wotsika bwanji, sungagwiritsidwe ntchito!
1. Kodi imathandizira duplex ndi theka la duplex?
Tchipisi zina pamsika zitha kugwiritsa ntchito malo okhala ndi duplex pakadali pano, ndipo sizingathandizire theka-duplex.Ngati alumikizidwa ndi masiwichi ena (SWITCH) kapena ma hubs (HUB), ndipo imagwiritsa ntchito mawonekedwe a theka-duplex, zidzayambitsa mikangano yayikulu ndi kutayika.
2. Kodi mwayesa kulumikizana ndi ma transceivers ena owoneka?
Pakadali pano, pali ma transceivers ochulukirachulukira a fiber optic pamsika.Ngati kugwirizana kwa ma transceivers amitundu yosiyanasiyana sikunayesedwe kale, kungayambitsenso kutayika kwa paketi, nthawi yayitali yopatsirana, komanso kuthamanga kwadzidzidzi komanso kuchedwa.
3. Kodi pali chida chachitetezo choletsa kutayika kwa paketi?
Pofuna kuchepetsa ndalama, opanga ena amagwiritsa ntchito Register data transmission mode popanga ma transceivers a fiber optic.Choyipa chachikulu cha njirayi ndi kusakhazikika komanso kutayika kwa paketi panthawi yopatsira.Njira yabwino ndikugwiritsa ntchito buffer circuit design.Mutha kupewa kutayika kwa paketi ya data.
4. Kusinthasintha kwa kutentha?
Fiber optic transceiver yokha imatulutsa kutentha kwakukulu ikagwiritsidwa ntchito.Kutentha kukakhala kokwera kwambiri (nthawi zambiri sikuposa 85 ° C), kodi transceiver ya fiber optic imagwira ntchito bwino?Kodi kutentha kokwanira kovomerezeka ndi kotani?Kwa chipangizo chomwe chimafunika kugwira ntchito kwa nthawi yayitali, chinthu ichi ndi choyenera kuchiganizira!
5.Kodi imagwirizana ndi muyezo wa IEEE802.3u?
Ngati transceiver optical fiber ikukumana ndi muyezo wa IEEE802.3, ndiko kuti, kuchedwa ndi nthawi kumayendetsedwa pa 46bit, ngati kupitirira 46bit, zikutanthauza kuti mtunda wotumizira wa transceiver optical fiber udzafupikitsidwa!!
Zisanu, zoyankhira zolakwika zodziwika bwino za ma transceivers optical fiber
1. Kuwala kwamphamvu sikuyatsa
kulephera kwa magetsi
2.Link kuwala sikuyatsa
Kulakwa kungakhale motere:
(a) Onani ngati chingwe cha optical fiber ndi chotseguka
(b) Onani ngati kutayika kwa chingwe cha optical fiber ndi chachikulu kwambiri, chomwe chimaposa kulandirira kwa zida
(c) Onani ngati mawonekedwe a fiber optical alumikizidwa molondola, TX yakumaloko imalumikizidwa ndi RX yakutali, ndipo TX yakutali imalumikizidwa ndi RX yakumaloko.
(d) Onani ngati cholumikizira cha fiber cholumikizira chalowetsedwa bwino mu mawonekedwe a chipangizocho, ngati mtundu wa jumper umagwirizana ndi mawonekedwe a chipangizocho, ngati mtundu wa chipangizocho ukugwirizana ndi ulusi wa kuwala, komanso ngati kutalika kwa chipangizocho kumagwirizana ndi mtunda.
3. Kuwala kwa Circuit Link sikuyatsa
Kulakwa kungakhale motere:
(a) Onani ngati chingwe cha netiweki chatseguka
(b) Onani ngati mtundu wolumikizira ukufanana: makhadi a netiweki ndi ma routers ndi zida zina zimagwiritsa ntchito zingwe zodutsa, ndipo masiwichi, ma hubs ndi zida zina zimagwiritsa ntchito zingwe zowongoka.
(c) Yang'anani ngati mlingo wotumizira wa chipangizocho ukugwirizana
4. Kutayika kwakukulu kwa paketi ya maukonde
Zolephera zomwe zingatheke ndi izi:
(1) Doko lamagetsi la transceiver ndi mawonekedwe a chipangizo cha netiweki, kapena mawonekedwe a duplex a mawonekedwe a chipangizo pa mbali zonse ziwiri sizikugwirizana.
(2) Pali vuto ndi chingwe chopotoka ndi mutu wa RJ-45, fufuzani
(3) Vuto la kugwirizana kwa fiber, kaya jumper ikugwirizana ndi mawonekedwe a chipangizo, kaya pigtail ikugwirizana ndi jumper ndi mtundu wa coupler, ndi zina zotero.
(4) Kaya kuwala kwa fiber line kutayika kumaposa zida zomwe zimalandira kumva.
5. Mapeto awiriwa sangathe kulankhulana pambuyo poti fiber optic transceiver ilumikizidwa
(1).Kulumikizana kwa ulusi kumasinthidwa, ndipo ulusi wolumikizidwa ku TX ndi RX umasinthidwa
(2).Mawonekedwe a RJ45 ndi chipangizo chakunja sichimalumikizidwa molondola (samalani mowongoka ndi splicing).Mawonekedwe a fiber optical (ceramic ferrule) samafanana.Cholakwika ichi chimawonetsedwa makamaka mu transceiver ya 100M yokhala ndi ntchito yoyang'anira ma photoelectric, monga ferrule ya APC.Pamene pigtail imagwirizanitsidwa ndi transceiver ya ferrule ya PC, sichitha kuyankhulana bwino, koma sichidzakhala ndi zotsatira ngati ikugwirizana ndi transceiver yopanda kuwala.