I-fiber yemodi eyodwa vs. i-fiber yemodi eminingi yizinhlobo ezimbili eziyinhloko zemicu ye-optical esetshenziselwa ukudlulisa idatha emabangeni amade nangamafushane. I-fiber yemodi eyodwa isebenzisa i-core encane kakhulu futhi idlulisela ukukhanya ngqo phansi kwe-core, okwenza kube kuhle kakhulu ekuxhumaneni kwebanga elide ngesivinini esikhulu. I-fiber yemodi eminingi inomgogodla omkhulu, isakaza ukukhanya ezindleleni eziningi futhi ifanelekela ibanga elifushane njengangaphakathi kwesakhiwo noma ikhampasi. Ngayinye inezinzuzo zayo, njengentengo, i-bandwidth, kanye nebanga. Ukuze ikusize ekukhetheni i-fiber efanele, izigaba ezilandelayo ziveza ulwazi oluqondile, ukuqhathanisa ukusetshenziswa, kanye nokuhlaziywa kwezindleko. Umgomo ukwenza isinqumo sibe lula futhi sisobala kuwo wonke umuntu.

Imodi Eyodwa vs. I-Fiber Yamamodi Amaningi

Imodi eyodwa kanye nemodi eminingi izintambo ze-fiber optic iqhuba ukukhanya ngendlela ehlukile kakhulu, ithonya izici zayo kanye nezinhlelo zokusebenza ezifanelekile. Ikhebula le-fiber optic le-single mode linomgogodla omncane ozungeze ama-micron angu-9, liqondisa imodi eyodwa yokukhanya ebangeni elide. Ngokuphambene nalokho, i-fiber ye-multimode, enobukhulu obuyinhloko obungama-micron angu-50 noma angu-62.5, ingasakaza izindlela zokukhanya eziningi ngasikhathi sinye. Imodi eyodwa isebenza ngama-wavelength amade, kanti i-multimode ihlala nezifushane, ikhombisa amandla azo ahlukile ezinhlelweni ezahlukene.

1. Imodi eyodwa: ukuxhumana okude, izikhungo zedatha, amanethiwekhi edolobha.

2. Imodi Eningi: amanethiwekhi ekhampasi, izintambo zokwakha, izixhumanisi zeseva ezifinyeleleka kalula.

1. Ububanzi obuyinhloko

Ingqikithi yekhebula le-fiber optic lemodi eyodwa ingu-9µm kuphela, okuvumela ukukhanya ukuthi kuhambe kuqonde ngokugxuma okuncane. Le ndlela encane ithuthukisa ukuthembeka kwesignali kuzo zonke izindawo ezinkulu, kodwa idinga imishini ekhethekile kanye nokucushwa okucophelelayo. Ngokuphambene nalokho, izintambo ze-fiber optic zemodi eminingi zinomgogodla omkhulu kakhulu—u-62.5µm we-OM1 kanye no-50µm we-OM2, OM3, OM4, kanye ne-OM5. Zombili izinhlobo zine-cladding diameter engu-125µm, ezivikela futhi ziqinisekise ukuthi zihambisana nokuphathwa. Ingqikithi enkulu yemodi eziningi ivumela ukukhanya ukuthi kugxume ezindleleni eziningi, kulungele amabanga amafushane kodwa kungaholela ekuqhekekeni kwesignali noma ekusabalaleni kwemodi ngokuhamba kwesikhathi eside.

2. Umthombo Wokukhanya

I-fiber yemodi eyodwa ivame ukuhambisana nemithombo yokukhanya ye-laser. Ama-laser akhipha umsebe oqondile, onamandla — ofanele ukuthumela ibanga elide. I-fiber yemodi eminingi isebenzisa kakhulu ama-LED, angabizi kakhulu futhi kulula ukuwahlela kodwa asakazeka kakhulu futhi asebenze kahle emabangeni amafushane.

Ngama-laser, izixhumanisi zemodi eyodwa ziya kude kakhulu, kodwa imishini ingabiza kakhulu futhi idinga izandla zobuchwepheshe. Ama-LED e-Multimode anciphisa izindleko futhi alula ukufakwa, kodwa anciphisa ibanga nesivinini. Umehluko phakathi kwephupho elibi eliphula isabelomali lobuhlungu bekhanda, nephupho eligcwaliseka, kumanethiwekhi amakhulu noma amakhampasi amakhulu.

3. Umkhawulo Wobubanzi Bebhendi

I-fiber yemodi eyodwa cishe ayikaze ifinyelele ophahleni lwe-bandwidth. I-core yayo encane ibangela ukulahlekelwa okuncane kokukhanya noma ukusabalala, okwenza ikwazi ukuhlangabezana nesidingo njengoba imithwalo yedatha ikhuphuka. I-fiber yemodi eminingi ilahlekelwa kakhulu futhi isakazeka, ngakho-ke i-bandwidth yayo iyancipha ngebanga. Lokhu kubalulekile ezindaweni ezifana ne-cloud computing noma izikhungo zedatha zanamuhla lapho ulwazi oluningi ludluliselwa khona ngokushesha.

Imodi eyodwa iyi-slots yemodi eminingi evikela ikusasa lapho ukugijima okufushane nokusheshayo kuyinto eza kuqala khona.

4. Ukufinyelela Ibanga

Imodi eyodwa ihlanganisa kalula ibanga elingafika ku-160km, isebenza emigqeni emikhulu yezokuxhumana noma kumanethiwekhi edolobha. Imodi eminingi ifinyelela cishe kumamitha angu-550 ku-1Gbps, okuyinto enhle kakhulu ekuxhumaniseni izintambo ngaphakathi.

Ibanga liguqula ukuhlela kwenethiwekhi. Uma ukufinyelela okufushane kwegiya kanye neziphindaphindo eziningi zemodi eminingi, imodi eyodwa isho ukuma okuncane kanye nezimpawu ezibushelelezi.

Izixhumanisi zebanga ziqonde ngqo ekulahlekelweni kwesignali.

Ukugijima isikhathi eside? Imodi eyodwa iyawina.

5. Izindleko Eziphelele

I-fiber yemodi eyodwa ishibhile ukuyikhiqiza, kodwa ama-transceiver ayo avame ukubiza kakhulu—ngezinye izikhathi aphindwe kahlanu. Lokho kunganda, ikakhulukazi ekuthuthukisweni okukhulu noma ekwakhiweni okusha. Nokho, imodi eyodwa iyakufanelekela amanethiwekhi amakhulu noma angenaso isikhathi esizayo.

Izindleko zizonke zingaphezu nje kwentengo yekhebula. Cabanga ngokusetha/igiya nezidingo zesikhathi esizayo ngaphambi kokukhetha.

Ukonga kusengaphambili kwe-Multimode kuyamukeleka uma kunesabelomali esincane, kodwa ukukhula kwesikhathi eside kungase kuphazamise imodi eyodwa.

Ukwakheka Kwe-Fiber

Izintambo ze-fibre optic, okuhlanganisa ikhebula le-singlemode kanye ne-multimode fiber optic, zihlanganisa i-core, i-cladding, kanye nezendlalelo zokuvikela ukuhambisa ulwazi nokukhanya. Ukuqonda ukwakheka kwalezi zinhlobo ze-fiber kubalulekile kunoma ubani osungula noma ogcina inethiwekhi esebenza kanzima futhi ngokushesha, njengoba inquma ukusebenza, ukuqina, kanye nendawo efanele.

Ukwakheka Okubonakalayo

Izintambo ze-fiber optic zemodi eyodwa kanye ne-multimode zombili zisebenzisa i-glass core eboshwe nge-cladding, kodwa ubukhulu yilapho zihlukana khona. I-core yekhebula le-fiber optic lemodi eyodwa ilinganisa ububanzi obungama-microns angu-8.3 kuya kwangu-10 kuphela—ngokuvamile ama-μm angu-9—kuyilapho i-core yekhebula le-fiber optic le-multimode inkulu kakhulu kuma-μm angu-50 noma ngisho no-62.5. Zombili izinhlobo zigcina i-cladding ku-125 μm, zibambe ngempumelelo ukukhanya ngaphakathi futhi zigcina ukucaca kwesignali. Amajakethi avikelayo azungeze lezi zingxenye ukuvikela ingilazi emanzini, ukungcola, kanye nemithelela engenzeka ngaphansi komhlaba noma ophahleni oluwela phansi. Amanye amajakethi aqinile ezintweni zangaphandle, kanti amanye aklanyelwe ukumelana nomlilo wangaphakathi.

Ukwakhiwa kwezintambo ze-fiber optic kubalulekile ngezindlela ezahlukene. Ama-core amancane emodi eyodwa abangela ukukhanya okuncane okubonakalisayo nokusabalala ngaphakathi kwenhliziyo, okuvumela izimpawu ukuba zihambe ibanga elide ngaphambi kokuba kwenzeke ukuwohloka. Ngokuphambene nalokho, ama-fiber emodi eminingi, anama-core awo abanzi, angabamba ukukhanya okwengeziwe kodwa angase abhekane nokuphazamiseka kwesignali ngesikhathi sokudlulisa. Lapho ukhetha izinhlobo ze-fiber, kubalulekile ukucabangela indawo yokufaka—ukusetha kwangaphandle kudinga amajakethi aqinile, angangeni manzi, kuyilapho ukufakwa kwangaphakathi kungazuza emiklamo engashisi noma izintambo eziguquguqukayo.

Ukusabalala Okukhanyayo

I-fiber yemodi eyodwa ibamba ukukhanya emzileni owodwa omncane, okuvumela ulwazi ukuthi lugijime ngaphandle kokuphazamiseka. Yingakho amasignali angahamba amabanga amade - cabanga ngezintambo ze-telegraph ezihamba ezweni lonke - ngaphandle kokuphela noma ukuqhekeka. I-fiber yemodi eminingi isakaza ukukhanya ezindleleni eziningi ngesikhathi esisodwa. Indlela ngayinye, noma imodi, ingazulazula ngendlela ehlukile, ngakho-ke isignali ingasakazeka futhi ihlale isikhathi eside njengoba isakazeka.

Yingakho i-single-mode iyisinqumo sezixhumanisi zesivinini esikhulu, ezinde. I-core yayo ivimbela ukusabalala kwe-modal, okwenza kube nomkhawulokudonsa ongenamkhawulo. I-Multimode ishesha ukuyisebenzisa ukuze isetshenziswe isikhathi esifushane kodwa ayikwazi ukudlula i-single-mode ukuze isetshenziswe isikhathi eside. Ukuqonda ukuthi ukukhanya kusakazeka kanjani ku-fiber kwenza abafaki kanye nochwepheshe bakwazi ukwenza ngcono isivinini kanye nokucaca kwesignali lapho bekufuna khona.

Ukukhetha I-Fiber Yakho

Ukukhetha ikhebula lakho le-fiber optic kumayelana nezinto ezimbalwa. Inethiwekhi ngayinye inezidingo zayo, ngakho-ke ukuvumelanisa izinhlobo ze-fiber nezinhloso zakho, njengekhebula le-fiber optic le-singlemode noma ikhebula le-fiber optic le-multimode, kubalulekile!

• Ibanga inethiwekhi yakho edinga ukulimboza

• Kudingeka i-bandwidth noma isivinini sedatha

• Isabelomali sefayibha nezinto zokugqoka

• I-fiber izosetshenziswa kuphi futhi kanjani

• Isidingo sokukhula noma ukuthuthukiswa kwesikhathi esizayo

Kwezikhungo Zedatha

Ukusebenza okufushane ngaphakathi kwezikhungo zedatha kudinga i-fiber ye-multimode. I-core yayo enkulu (ngokuvamile engama-micron angu-50 kuya kwangu-100) yenza kube lula ukuxhumana futhi yehlise izindleko. I-Multimode ibhekana nesivinini esiphezulu njenge-server racks kanye nokuxhumeka kwesitoreji. Idlala kahle nemithombo yokukhanya engabizi njenge-LED kanye nama-VCSEL.

I-Multimode fiber inhle kakhulu ekugijimeni okufika kumamitha angu-500–600, futhi ihlala ingabizi ngisho noma amazinga edatha yenethiwekhi ekhuphuka. Ukuze kube nokuxhumana okude kwamahholo edatha noma izakhiwo, i-single mode fiber iyathatha indawo. I-single mode ibiza kakhulu, ikakhulukazi ngenxa yama-transceiver abizayo, kodwa iyadingeka ekuxhumaneni kwekhampasi noma kwedolobha. Qinisekisa ukusetha kwakho esikhathini esizayo ngokuqinisekisa isivinini esiphezulu noma igiya elisha maduze.

Kwamakhampasi

Amakhampasi anezakhiwo eziseduze ngokuvamile ahlala ewumthambo wemodi eminingi. Ayakwazi ukuzivumelanisa nezimo, asekela ukuhlangana kwezinhlelo zokusebenza (njengedatha, izwi, nevidiyo), futhi angahlangabezana nesidingo esikhulu se-bandwidth njengoba amadivayisi amaningi ejoyina.

Khetha ibanga elifanele lokucushwa kwakho—i-OM3, i-OM4 noma i-OM5 ngesivinini kanye nokugijima okude okungaba amakhilomitha amabili! Beka sonke isikhathi cabanga ngendlela inethiwekhi yakho engakhula ngayo. I-fibre, ebekwe manje engathatha amasignali asheshayo kamuva, isindisa isikhathi nemali esikhathini esizayo.

Uhambo Olude

Amanethiwekhi okuhamba isikhathi eside—idolobha noma phakathi kwamadolobha ngokwesibonelo—ancike ku-fiber yemodi eyodwa. Ububanzi bayo obuncane obuphakathi bubamba amasignali eduze, afinyelela kumakhilomitha angu-40 ngokulahlekelwa okuncane. Lokhu kugijima kudinga ama-transceiver ahlukile alungiselelwe ibanga.

Imodi eyodwa ikhanya kakhulu kumanethiwekhi omgogodla kanye ne-metro, lapho isivinini nokuthembeka kubusa khona kakhulu. Kubiza kakhulu kusengaphambili kodwa konga uma kuqhathaniswa nokuphindaphinda noma ukuthuthukiswa okuncane. Ekuhleleni, cabanga ngezidingo zamanje kanye nalokho inethiwekhi engayiphatha eminyakeni emihlanu noma eyishumi.

Izindleko Ezifihliwe

Ukufakwa kwe-fibre optic, okuhlanganisa izintambo ze-fiber optic ze-multimode kanye nekhebula le-fiber optic le-singlemode, kuthwala okungaphezu nje kwezindleko zesitikha sokuqala. Izindleko eziningi ezifihliwe zingavela ngesikhathi sephrojekthi noma ngisho nangemva kweminyaka, okuthinta kakhulu isabelomali sonke.

Intengo ye-Transceiver

Ama-transceiver abalulekile ekuvumeleni izimpawu zokukhanya ukuthi zingene futhi ziphume ezintanjeni zefayibha. Ku-fiber yemodi eyodwa, ama-transceiver ngokuvamile abiza kakhulu kune-multimode. Lokho kungenxa yokuthi ama-optics emodi eyodwa adinga ama-laser akhethekile kakhulu ukuze adlulisele izimpawu ubude obungamakhilomitha ambalwa. Nakuba ikhebula libiza kakhulu, ama-optics angaba yi-wallet-buster yakho yangempela.

Ama-transceiver e-Multimode ashibhile kodwa asebenza emabangeni amafushane, ngokuvamile amamitha ambalwa. Uma ukhetha imicu ye-multimode yezinga eliphezulu ukuze uthole ukufinyelela okwengeziwe noma i-bandwidth, ukonga kwe-transceiver kunganyamalala ngokushesha. Ukukhetha ama-optics ahambisanayo kubalulekile—ukusebenzisa uhlobo olungalungile kungaholela ekuthengeni izintambo ezengeziwe zehadiwe noma zemodi, ngayinye ibangela izindleko ezifihliwe. Ukuhlela ukuthuthukiswa kwesikhathi eside, ukuphelelwa yisikhathi nokukhetha ama-optics e-OEM kungasiza ukugcina lezi zindleko zilawulwa.

Ikhono Lokufaka

Ukuthola izinhlelo ze-fiber ku-inthanethi akuyona nje indaba elula yokuxhuma izintambo. Kudinga izandla zobungcweti. Imicu ye-fiber incane futhi iyaphuka, ngakho-ke ukunyakaza okukodwa okungalungile kungonakalisa isixhumanisi noma kulahleke isignali. Ukufakwa kabi kungalingana nobuhlungu bekhanda obuxakile, izimpawu eziwile kanye nesikhathi esilahlekile kamuva.

Ochwepheshe abanolwazi bayaqonda ukuthi bangazihlanganisa kanjani, bazixhumanise futhi bazivikele kanjani lezi zintambo. IKHUPHONI): Ukuqeqeshwa kubiza kakhulu, kodwa kuyakhokhela uma izintambo zingasebenzi kahle futhi isikhathi eside sisebenza. Njengoba ubhajetha, kuwukuhlakanipha ukufaka izindleko zabafaki bekhwalithi, hhayi imishini kuphela.

Amathuluzi Okuhlola

Uhlu lokuhlola lwamathuluzi okuhlola:

• Imitha yamandla okukhanya: ilinganisa amandla esignali, ukhiye wemodi eyodwa kanye nemodi eminingi.

• Umthombo wokukhanya: uhlola ukuqhubeka kwekhebula.

• I-Optical time-domain reflectometer (OTDR): ithola amaphutha, ilinganisela ubude bekhebula.

• Isitholi samaphutha abonakalayo: amabala ayaphuka futhi ayagoba.

• I-microscope yokuhlola: iqinisekisa izixhumi ezihlanzekile.

Ukuthenga noma ukuqasha la mathuluzi akubizi kakhulu. Ukuhlola akuyona into eyenzeka kanye kuphela—amanethiwekhi adinga ukuhlolwa okuqhubekayo ukuze ahlale ethembekile futhi eshesha kakhulu. Amathuluzi afanele enza kube lula ukubamba izinkinga kusenesikhathi, futhi izindleko zinganda, ikakhulukazi ekulungiselelweni okukhulu noma okuxubile kwe-fiber.

Ngale Kwezisekelo

I-Fiber optics ayigcini nje ngokuphathelene ne-single mode vs. multimode fiber optic cable; imayelana nokuqonda ukuthi isignali yakho ihamba ngokushesha kangakanani, ibanga elingakanani, nokuthi icacile kangakanani. Ukuhlola imininingwane yobuchwepheshe yokusabalala kanye ne-multiplexing kukulungiselela ukuthi wenze izinqumo ezihlakaniphile lapho uklama isikhungo sedatha esisha noma uthuthukisa ingqalasizinda yenethiwekhi yekhampasi.

Ukusabalala Kwesimo

Ukusabalala kwe-modal kwenzeka kuma-fiber e-multimode ngoba ukukhanya akuhambi ngendlela eqondile—kubonakala ezindleleni ezahlukene, noma ezindleleni, ngaphakathi kwe-core enkulu ye-fiber. Lezi zindlela ezahlukahlukene zibangela ukuthi ama-pulse okukhanya afike ngezikhathi ezihlukile kancane, okufiphaza isignali futhi kuvale ukufinyelela kwayo nesivinini, ikakhulukazi ngesivinini esiphezulu. Isibonelo, i-OM1 multimode fiber inikeza amamitha angu-33 kuphela ku-10G, i-OM2 amamitha angu-82 kuphela — uphahla olusemthethweni lokuthuthukiswa okunamandla.

• Khetha imicu ye-multimode ephezulu (OM3, OM4, noma OM5) ukuze uthole i-bandwidth eyandisiwe kanye nokufinyelela.

• Sebenzisa amamojula okulungisa isignali ukuze uhlanze ama-pulse.

• Gcina i-fiber yemodi eyodwa ukuze uthole izixhumanisi zebanga elide nezisheshayo.

• Ukushaya kwenhliziyo kugcina ikhebula lingasebenzi kahle ekufakweni kwe-OM1 ne-OM2 okudala.

Uma wenza noma yini ngaphandle kokuxhumana kwamahhovisi okungenangqondo, ukusabalala kwe-modal kufanele kutholakale ohlwini lwakho lokuhlola.

Ukuhlakazeka kwe-Chromatic

Ukusabalala kwe-Chromatic kuphuma phambili ngoba akuyona yonke imibala (ubude bamagagasi) bokukhanya okuhamba ngesivinini esifanayo ngengilazi. Ekugijimeni okude, ikakhulukazi ku-fiber yemodi eyodwa, lokhu kuphumela ekusabalaleni kwesignali - ama-pulse angaphuma ndawonye, ​​okwenza idatha ibe nzima kakhulu ukuyiqonda ngakolunye uhlangothi. Lokhu kuyinkinga enkulu njengoba uhamba ngokushesha noma kude, cabanga ngezixhumanisi ze-fiber ezihamba ezweni lonke.

I-core encane ye-fiber yemodi eyodwa (ama-micron angu-8–10) isiza ukunciphisa ukusabalala kwe-modal, kodwa ukusabalala kwe-chromatic kuhlala kunjalo. Kumanethiwekhi ohambo olude, onjiniyela basebenzisa imicu ekhokhela ukusabalala, engadlula amakhilomitha angu-200. Basebenzisa ama-laser ebanga lamagagasi amancane kanye nemishini yokunciphisa i-elekthronikhi ukuze bagcine izimpawu zihlanzekile.

Ukwehlukaniswa Kwe-Wavelength Division Multiplexing

I-Wavelength division multiplexing, noma i-WDM, ikhulisa amandla e-fiber ngokuvumela izimpawu eziningi phezu kwamaza ahlukene ukuthi zisakazeke ngekhebula elifanayo le-multimode fiber optic ngesikhathi esisodwa. Kufana nokuguqula umgwaqo owodwa ube umgwaqo omkhulu onemizila eminingi, okukuvumela ukuthi wandise ikhebula lakho le-fiber optic elifakiwe, okusindisa isikhala nemali. Lokhu kusebenza kahle kubalulekile kumanethiwekhi e-metro noma e-backbone lapho ukubeka izintambo ze-fiber optic zendabuko kungenzeki ngaso sonke isikhathi.

I-WDM ayiyona i-plug-n-play; ukukhetha ama-laser, ama-amplifier, kanye nezihlungi ezifanele ezihambisana nama-wavelength afanele kubalulekile. Lokhu kuqinisekisa ukuthi amasignali awaphumi noma aminze, okuvumela ukwanda okungenzeka kwamakhono e-bandwidth uma kudingeka.

Ukubheka Phambili

Ukuqonda kahle le mibono—ukusabalala kwe-modal kanye ne-chromatic, i-WDM, kanye nomehluko phakathi kwekhebula le-fiber optic le-multimode kanye nekhebula le-fiber optic le-singlemode—kusho ukuthi awukhethi nje izintambo, wakha inethiwekhi esheshayo, ecacile, futhi elungele okuzayo.

Ukuqinisekisa Inethiwekhi Yakho Yesikhathi Esizayo

Ukukhula kwesikhathi esizayo akukaze kube kude nomqondo wakho lapho wakha inethiwekhi. Akekho ofuna ukuklebhula izintambo noma ukushintshanisa imishini njalo eminyakeni embalwa, ngakho ukuhlela kuyimfuneko. Ukukhula kubalulekile—njengokuthenga indlu enamakamelo engeziwe, ukuze ube nendawo yokukhula kuyo. Amanethiwekhi kumele asekele ithrafikhi eyengeziwe, amadivayisi amasha, kanye nesivinini esisheshayo esiqhubekela phambili. Yingakho ukukhetha izintambo ze-fiber optic kanye nehadiwe engeke iphelelwe yisikhathi ngokushesha kubalulekile.

I-Fiber iyindlela enhle yokuvikela inethiwekhi yakho esikhathini esizayo njengoba ingadlulisela idatha eningi kakhulu kunethusi. Ukusakaza, ifu, kanye nokudluliswa kwamafayela amakhulu konke kudinga amakhono aphezulu e-bandwidth. I-Fiber ibhekana nalokhu ngaphandle kokujuluka. Kumabhizinisi amakhulu, izikhungo zedatha, noma izikhungo zemfundo, lokhu kusho ukukhathazeka okuncane mayelana nezithiyo eziqhubekayo, ikakhulukazi lapho kusetshenziswa izintambo ze-fiber optic ze-singlemode.

I-fiber yemodi eyodwa isebenza kahle kakhulu ekugijimeni isikhathi eside. Uyithola kumanethiwekhi omuzi wonke, exhumanisa izakhiwo zamahhovisi, noma ezikhungweni ezinkulu zedatha ezinezikhala ezinkulu phakathi kwama-racks. Ingathumela amasignali noma kuphi amakhilomitha afinyelela kwangu-40 ngaphandle kosizo. Lokhu kukhulu uma ufuna inethiwekhi eyodwa imboze ikhampasi noma ixhumanise izindawo ezikude. Nansi indlela ewusizo, igiya lemodi eyodwa livame ukuba nentengo ephezulu yokuqala, kodwa ngokuhamba kwesikhathi, ikakhulukazi ekugijimeni isikhathi eside kanye nesivinini esikhulu, ivame ukuzikhokhela yona.

I-Multimode fiber inomusa kakhulu esikhwameni semali uma ugijima isikhashana—ngaphakathi kwesakhiwo, noma ngisho naphansi. Ayikwazi ukuya kude noma idlulise ulwazi oluningi kangako. Izinhlobo ezintsha ezifana ne-OM5 fiber zingasiza—ngokusekelwa kwe-bandwidth kufika ku-28000 MHz/km—kodwa noma kunjalo, ayiklanyelwe ukuxhumana kwedolobha lonke. I-Multimode yama-short hops kanye nokulungiselelwa okulula, i-single-mode yezinhlelo zakho ezinkulu.

Ukuhlela isivinini esiphezulu akukhona nje kuphela ngezintambo. Khetha ama-transceiver namaswishi ahambisana nezidingo zakho zesikhathi esizayo. Qaphela ukulahleka kwesiginali kanye nokuncishiswa—lokhu kulimaza isivinini senethiwekhi futhi kubangela ukwehla. Ukusebenzisa izintambo ze-fiber optic ze-multimode ezisezingeni eliphezulu kanye nezixhumi ezifanele kugcina ubuqotho besiginali.

Izindleko zizohlala zibalulekile. I-Multimode ishibhile uma ugijima isikhashana, kodwa i-single-mode iba ngcono njengoba izidingo zakho zanda. Isinqumo esifanele songa amakhanda nemali ngokuhamba kwesikhathi.

Isiphetho

Imodi eyodwa kanye ne-fiber ye-multimode zombili zinikeza izinzuzo zangempela. Imodi eyodwa ilungele isivinini esifinyelela isikhathi eside nesisheshayo. I-Multimode ifanelana nokugijima okufushane nezidingo zezindleko eziphansi. Zombili izinhlobo zinikeza izinzuzo ezisobala zokucushwa okuhlukahlukene. I-Fiber akuyona nje ubuchwepheshe, yindlela esixhumana futhi sabelana ngayo. Ihhovisi elincane, ikhampasi enkulu noma inkampani entsha ekhula ngokushesha, indawo ngayinye yembula ukujikeleza okusha. Izindleko, imishini kanye nezinhlelo zokwandisa konke kuyabandakanyeka. Uma ubheka phambili, i-fiber iyafana ishintsha isinyathelo ngesinyathelo. Ukuze uthole ukulingana kwakho okuphelele, cabanga ngezidingo zakho bese ubhekana nemibuzo enzima. Ufuna ukufunda kabanzi noma ufuna usizo oluncane lokukhetha i-fiber efanele? Xhumana nathi futhi sizoxoxa ngalokho okukusebenzelayo.

imibuzo ejwayelekile ukubuzwa

Uyini umehluko omkhulu phakathi kwe-single mode kanye ne-multimode fiber?

Ikhebula le-fiber optic lemodi eyodwa lisebenzisa i-core encane yokudlulisa idatha ebanga elide nesivinini esikhulu, kuyilapho izintambo ze-fiber optic zemodi eminingi, ezinomgogodla omkhulu, zilungele amabanga amafushane kanye nezixazululo ezingabizi kakhulu.

Yiluphi uhlobo lwefayibha olungcono ekudlulisweni kwedatha ekude?

Ikhebula le-fiber optic lemodi eyodwa lilungele ukuxhumana kwebanga elide, lisekela amabanga amade kakhulu ngokuncipha okuncane kakhulu kunezintambo ze-fiber optic zemodi eziningi zendabuko.

Ingabe i-fiber ye-multimode ishibhile kune-fiber ye-single mode?

Yiqiniso, izintambo ze-fiber optic ze-multimode kanye nemishini zivame ukuba zishibhile, kodwa izindleko zesikhathi eside zingase zihluke ngokusekelwe emandleni e-bandwidth yenethiwekhi yakho.

Ngingakwazi yini ukuthuthukisa kusuka ku-multimode kuya ku-single mode fibre kalula?

Kungaba nzima ngezintambo ze-fiber optic ze-singlemode kanye nezintambo ze-fiber optic ze-multimode kusetshenziswa imishini ehlukene, ngakho-ke ukucabanga kusengaphambili kuvimbela ukuthuthukiswa okubizayo.

Yiluphi uhlobo lwefayibha okulula ukulufaka nokuyinakekela?

Ikhebula le-fiber optic le-Multimode ngokuvamile lilula futhi lingabizi kakhulu ukulisebenzisa, ikakhulukazi uma likude.

Ngingakhetha kanjani phakathi kwe-single mode kanye ne-multimode fiber yenethiwekhi yami?

Cabanga ngezidingo zakho zebanga, izidingo zesivinini, kanye nesabelomali lapho ukhetha phakathi kwekhebula le-fiber optic le-singlemode lezinhlelo zokusebenza ezihamba ibanga elide, ezisheshayo kanye nekhebula le-fiber optic le-multimode ukuze kusetshenziswe isikhathi esifushane nesingabizi kakhulu.

Ingabe i-fiber yemodi eyodwa inamandla kakhulu esikhathini esizayo kune-fiber yemodi eminingi?

Ikhebula le-fiber optic lemodi eyodwa linikeza ukukhuliswa okukhulu kwamakhono e-bandwidth yesikhathi esizayo kanye nezidingo zebanga, okwenza kube inketho enhle kakhulu yokuvikela inethiwekhi yakho esikhathini esizayo.