I-fibre yemodi eyodwa ifaneleka kakhulu ekuxhumaneni okude ngenxa yobubanzi bayo obuncane obungu-0.000354 amayintshi. Ukulibaziseka kwayo okuphansi kokusabalala kwenza kube kuhle ekuxhumaneni okuyinkimbinkimbi kanye nokudluliselwa kwedatha okusheshayo.

I-fiber ye-Multimode inobubanzi obukhulu obungu-.002-.0025 amayintshi. Lo mklamo unegalelo ekufanelekeni kwayo kwezinhlelo zokusebenza ezikude, njengamanethiwekhi endawo kanye nezikhungo zedatha, naphezu kokusabalala kwayo okuphezulu kwe-modal.

Inzuzo ye-single mode fiber cishe i-bandwidth engenamkhawulo uma ubheka amabanga amade. Umkhawulo we-multimode fiber unemikhawulo yebanga kanye ne-bandwidth, ikakhulukazi lapho kuthunyelwa amazinga aphezulu edatha.

Ukukhetha phakathi kwemodi eyodwa kanye ne-fiber yemodi eningi kuncike ezicini ezithile ezifana nezidingo zohlelo lokusebenza, ibanga, izidingo ze-bandwidth, kanye nemikhawulo yesabelomali.

Nakuba i-fiber yemodi eyodwa ivame ukuba nezindleko eziphezulu kusengaphambili, inikeza ukukhuliswa okukhulu kanye nokonga izindleko zesikhathi eside zokwandiswa kwenethiwekhi. Akumangalisi ukuthi i-fiber yemodi eminingi ingabizi kakhulu esikhathini esifushane futhi ishesha ukuyisebenzisa.

Ukunquma imithelela emvelweni kufanele kube yinto eza kuqala ukuze kwandiswe izinzuzo zezinhlelo ze-fiber optic. Ngaphezu kwalokho, ukukhuliswa kwesikhathi esizayo kanye nokuhambisana nezindinganiso zemboni kuqinisekisa ukusebenza kwazo okuhle kanye nobude besikhathi.

Imicu yemodi eyodwa kanye ne-multimode iyahlukahluka ngobukhulu bayo obuyinhloko, ukusebenza kanye nokusetshenziswa. I-fiber yemodi eyodwa inomgogodla omncane, ngokuvamile ongama-microns angu-8-10 ububanzi. Lo mklamo uyivumela ukuthi idlulisele ukukhanya okwengeziwe ngqo ku-fiber futhi inciphise kakhulu inani lesignali elahlekile.

Lesi sici esiyingqayizivele yingakho sisetshenziselwa izinhlelo zokusebenza zebanga elide kanye ne-bandwidth ephezulu. I-fiber ye-Multimode inomgogodla obanzi ububanzi, cishe ama-micron angu-50-62.5. Lo mklamo oyingqayizivele uvumela ukuthi ithwale izindlela eziningi zokukhanya, futhi usayizi wayo omncane wenza ifaneleke kakhulu ebangeni elifushane njengezikhungo zedatha kanye nezakhiwo zamahhovisi.

Isinqumo phakathi kwalokhu okubili sivame ukusekelwe ebangeni, isabelomali, kanye nesivinini esiphelele esidingekayo kunethiwekhi. Ukwazi ukuthi imodi eyodwa kanye ne-fiber ye-multimode zihluke kanjani kuvumela umuntu ukuthi enze izinqumo ezifanele ngezidingo zakhe zokuxhumana. Lokhu kuqonda kunikeza ukusebenza okuhle kakhulu kanye nokonga izindleko kunoma iyiphi indawo.

 

Imodi Eyodwa vs I-Fiber Yamamodi Amaningi

Ubuchwepheshe be-fiber optic bubaluleke kakhulu manje kunanini ngaphambili, futhi ukuqonda umehluko phakathi kwemodi eyodwa kanye ne-fiber ye-multimode kubalulekile kunoma iyiphi inethiwekhi yesimanje. Zombili izindlela zihlukile ekwakheni nasekusebenzeni, zenzelwe izinhlelo zokusebenza ezahlukene ngokuya ngebanga kanye nezidingo ze-bandwidth. Ukuqaphela lo mehluko obalulekile nokuthi ungathinta kanjani inethiwekhi yakho kubalulekile ekuhleleni inethiwekhi okuhle kakhulu.

1. Chaza i-Fiber yemodi eyodwa

I-fibre yemodi eyodwa inobubanzi obuncane obungu-9 microns (µm), okunciphisa ukusabalala kwesignali. Lo mklamo usekela ukudluliswa kokukhanya kuma-wavelength angu-1310 nanometers (nm) kanye no-1550 nm, okwenza kube nokulahlekelwa okuncane kakhulu emabangeni amade.

Ngenxa yekhono layo lokuphatha idatha kuwo wonke amanethiwekhi e-metro, ukufinyelela, kanye ne-long-haul, i-single mode fiber iyisisekelo sezokuxhumana ngocingo. Ukuthembela kwayo kuma-laser e-solid-state kuqinisekisa ikhwalithi ephezulu yesignali kanye nokusebenza kahle kumabanga anwetshiwe, okwenza kube kuhle kakhulu ezinhlelweni zokusebenza ezifuna ukulungiswa okuphezulu, njengokusakaza ividiyo ye-4K kanye ne-8K.

2. Chaza i-Multimode Fiber

I-fibre ye-Multimode inobubanzi obuphakathi obukhulu ngokuphindwe kayishumi—ngokuvamile obungu-50 µm—okuvumela izindlela eziningi zokukhanya. Lesi sici siyenza ifaneleke ukusetshenziswa ibanga elifushane.

Kusebenza kahle kakhulu ezikhungweni zedatha kanye namanethiwekhi endawo (ama-LAN), lapho ukuxhumana kuvame ukuba ngaphansi kwamamitha ayi-1,000. Imithombo yokukhanya evamile esebenza kuyo i-multimode, yonke isebenza ku-850 nm, ama-diode akhipha ukukhanya noma ama-VCSEL.

Isenamandla ngokwezomnotho uma ifinyelela amabanga afinyelela ku-1,969 feet. Ukusabalala kwayo okukhulu kwe-modal kunciphisa i-bandwidth kanye nokucaca kwesignali emabangeni amade.

3. Umehluko Wokudlulisa Ukukhanya Uchaziwe

I-fibre yemodi eyodwa idlulisela ukukhanya ngqo endleleni eyodwa noma imodi. Lo mklamo oyingqayizivele uphumela ekuthembekeni kwesignali okumangalisayo futhi uvumela i-bandwidth engapheli, ngisho noma ibanga elide.

I-fiber ye-Multimode, ngenxa yezindlela zayo zokukhanya eziningi, isakazeka kakhulu, yehlisa ukusebenza kahle njengoba ibanga likhuphuka. Lokhu kungafani kugcizelela ukubaluleka kokukhetha i-fiber ngokusekelwe ezidingweni zokusebenza kanye nemininingwane yokusetshenziswa.

Amandla e-bandwidth kanye nebanga

Ukwazi amakhono e-bandwidth kanye nebanga lama-fiber e-single-mode uma kuqhathaniswa nama-fiber e-multimode kubalulekile. Ukuqonda lokhu njengento eza kuqala ezweni lonke kubalulekile ekwakheni inethiwekhi ye-broadband eqinile. Uhlobo ngalunye lwe-fiber lwenzelwe ukusetshenziswa okuthile, futhi ukusebenza kuzohluka kakhulu kuye ngokuthi zisetshenziswa kanjani.

Ngezansi ithebula lokuqhathanisa elichaza umehluko wabo oyinhloko:

Imikhawulo Yebanga Lemodi Eningi

I-fibre ye-Multimode iyindlela engcono kakhulu yokudlulisa i-bandwidth ephezulu emabangeni amafushane. Ububanzi bayo obukhulu (kusukela ku-50 kuya ku-62.5 μm) buvumela izindlela eziningana zokukhanya ukuthi zisakazeke ngasikhathi sinye.

Ukusabalala kwe-modal — ukusabalala kwama-pulse okukhanya — kubeka umkhawulo webanga elisebenzayo ekudlulisweni. Izintambo ze-OM1 zisebenza kahle ebangeni elingamamitha angu-33 noma ngaphansi ngalezi zivinini. Uma kuqhathaniswa, izintambo ze-OM4 zinganwebeka ngamamitha angu-400 amangalisayo.

I-fiber ye-Multimode iyindlela engcono kakhulu yezikhungo zedatha kanye namanethiwekhi ekhampasi. Lokho akwanele ngokuxhumeka okude njengezixhumanisi eziphakathi kwamadolobha.

Imodi Eyodwa Yamabanga Amade

I-fibre yemodi eyodwa inomongo omncane nakakhulu, ongu-8–10 μm kuphela. Lo mklamo okhethekile uvumela ukudluliswa kokukhanya kwemodi eyodwa, kunciphisa kakhulu ukuhlakazeka futhi kuholele ekulahlekelweni okuncane noma okungekho nhlobo kwesignali.

Amakhono ayo okuhamba ibanga akhanya ezinhlelweni zokusebenza zebanga elide, esebenza amabanga angaphezu kwamamayela angu-24.85 (40 km) ngobuchwepheshe obukhokhela ukusabalala. Lolu hlobo lusetshenziswa kabanzi kwezokuxhumana, izintambo zasemanzini, kanye nengqalasizinda enkulu ngenxa yokusebenza kahle kwayo kanye nokonga izindleko ngaphezu kwezinketho ze-multimode.

Ukuqhathaniswa kwe-bandwidth kuchazwe

Izidingo ze-bandwidth kanye nebanga zibanzi futhi ziyahlukahluka ngokwendawo. I-Multimode fibre isalokhu iyindlela engabizi kakhulu yebanga elifushane, kuyilapho i-single mode fibre ikhanya nge-high-resolution (4K/8K), ividiyo elambele i-bandwidth kanye nezidingo zesikhathi esizayo.

Ukwenza uhlobo olufanele lokukhetha kusukela ekuqaleni kuholela ekukhuleni okuphezulu kanye nokusebenza kahle.

Indlela Ibanga Elithinta Ngayo Ikhwalithi Yesignali

Njengoba ukuncishiswa kanye nokuhlakazeka kokubili kungalimaza isignali, ukuhlela ibanga ngokucophelela kuyadingeka ukuze kugwenywe le miphumela. Ukwandisa ukusebenza ezindaweni ezikude kudinga ukusetshenziswa kwama-amplifier noma ubuchwepheshe bokuphatha ukuhlakazeka.

Izinzuzo kanye nokungalungi

I-single mode kanye ne-multimode fiber zombili zinikeza izinzuzo ezithile kanye nokungalungi. Ukwazi umehluko phakathi kwalezi zixazululo kubalulekile ekukhetheni engcono kakhulu yezindlela zakho zokusebenzisa ezihlukile. Ukuze ngenze lokho, ngezansi, ngizobhekana nohlobo ngalunye ukuze ngibonise izinzuzo kanye nokungalungi kwazo kwangempela.

Izinzuzo ze-Fiber yemodi eyodwa

I-fiber yemodi eyodwa ikhanya ngempela ezinhlelweni zokusebenza zebanga elide lapho ukusabalala kwe-modal kuyisici esibalulekile. Ayinawo umthelela wokuphazamiseka kwe-electromagnetic futhi isekela ama-gigabits ayi-100 e-bandwidth kanye namabanga okudlulisa afinyelela amamayela angu-62 ngaphandle kokuvuselelwa.

Lokhu kuyenza ifaneleke kakhulu ukuxhunywa kwezintambo ngaphansi kolwandle, noma ukuxhumanisa izikhungo zedatha eziqhelelene ngamakhulu amamayela. Ukuguquguquka kwayo kwenza ukuthunyelwa kube lula kakhulu ngaphandle kwesidingo sokudalula ingqalasizinda ekhona, isici esibalulekile sokuvikela ikusasa ekukhulisweni.

I-fiber yemodi eyodwa isekela zonke izindlela zokuxhumana zesimanje, njengamanethiwekhi e-5G. Ihlala iyindlela eyingqayizivele yokubhekana nezidingo ezikhulayo.

Izinkinga ze-Fiber yemodi eyodwa

I-fiber yemodi eyodwa inezindleko eziphezulu kakhulu kusengaphambili, ngokuvamile izindleko eziphindwe ka-1.5 kuya ku-5 kunezama-transceivers e-multimode. Ukufakwa kudinga ukunemba ngenxa yobukhulu bayo obuncane, ngokuvamile ama-microns angu-8 kuya kwangu-10, kanye nemishini ekhethekile kanye nochwepheshe abaqeqeshiwe.

Kuyamangalisa uma uxhumeka ibanga elide. Kodwa-ke uma uxhumeka isikhathi esifushane, i-fiber ye-multimode ivame ukuba yindlela engabizi kakhulu.

Izinzuzo ze-Multimode Fiber

Izindleko zokufaka kanye nezabasebenzi ziyancishiswa ngosayizi omkhulu we-fiber ye-multimode, ngokuvamile ama-micron angu-50, okwenza kube lula ukuyifaka. Lokhu kwenza ikhambi labo lifanelekele izinhlelo zokusebenza zokugcina.

Iqukethe amabanga asebenza kahle kakhulu afinyelela kumamitha angu-1,640 afanele izikhungo zedatha noma ama-LAN, ihlinzeka ngesembozo esinamandla ngisho nangaphansi kwezithiyo. Iyakwazi ukusakaza imifudlana yokukhanya eminingana, okwenza kube nokudluliswa kwedatha okulinganayo nokusezingeni eliphezulu.

Leli zinga lokuguquguquka lizoba usizo kakhulu emabhizinisini amakhulu adinga isikhathi esisheshayo kumsebenzisi.

Izinkinga ze-Multimode Fiber

I-fiber ye-Multimode inemikhawulo emikhulu yebanga kanye ne-bandwidth. Ayifaneleki kahle ukusetshenziswa kwesivinini esikhulu ebangeni elide ngenxa yokusabalala kwe-modal kanye nokulahleka okuphezulu kwesiginali.

Ukuntuleka kwayo kokuvikela ikusasa kuyenza ingavumelani kahle nezidingo zenethiwekhi ezishintshayo.

Izicelo Eziwusizo

Ukuze sigweme ukudideka, ake sixoxe ngezinhlelo zokusebenza ze-single mode kanye ne-multimode fiber. Lokho kuqonda kukuvumela ukuthi ukhethe kahle izidingo zakho zenethiwekhi ezihlukile. Uma zihlanganisiwe, izici zazo ezihlukile ziwahlomisela kahle ukusetshenziswa ezindaweni ezahlukahlukene kanye nezinhlelo zokusebenza.

Amacala Okusetshenziswa Kwemodi Eyodwa

Ngenxa yalokho, i-fiber yemodi eyodwa iyisisombululo esivelele ezimweni zebanga elide kanye ne-bandwidth ephezulu. Amandla ayo okudlulisa idatha ebangeni elingafika kumamayela angu-62 ngaphandle kokuvuselelwa kwesignali kuyenza ifaneleke kakhulu ezokuxhumana ngocingo ezinde, njengokuxhumanisa amadolobha noma ngisho namazwekazi ngezintambo ezingaphansi kolwandle.

Izinkampani ze-Telecom, izinsizakalo zamafu kanye nezinkampani ze-inthanethi ezisezingeni eliphezulu zonke zithembele kakhulu ku-fiber yemodi eyodwa. Lobu buchwepheshe, obusetshenziswa ezinqoleni zabo, busho ukuthi baqinisekisa amakhasimende abo ukudluliswa kwedatha okusheshayo nokungaphazanyiswa.

Okwesithathu, imithombo yokukhanya ye-laser encane engu-9-micron core kanye ne-wavelength inciphisa ukuphazamiseka futhi ithuthukise ukuphepha. Lo mklamo uzivumelanisa kahle nezinhlelo zokusebenza ezibaluleke kakhulu, njengezikhungo zedatha ezikude noma ukuxhumanisa ama-LAN amabanga amakhulu ezindawo.

Amacala Okusetshenziswa Kwemodi Eningi

Lokhu kwenza i-fiber ye-multimode ibe yipulatifomu efanelekile yezinhlelo zokusebenza zesikhathi esifushane, kufaka phakathi ama-LAN ebhizinisi kanye nezikhungo zedatha. Usayizi omusha, omkhulu we-core, kusukela kuma-micrometer angu-50 kuya ku-62.5, uvumela idatha ukuthi idlulisele ngokushesha.

Ihlanganiswe nemithombo emikhulu ekhanyayo, njengakuma-LED asetshenziswa kakhulu namuhla, iqhuba ngempumelelo imifudlana eminingi yokukhanya. I-fiber ye-Multimode ivame ukuvame kakhulu kumanethiwekhi amancane, lapho amabanga ngokuvamile engaphansi kwamamitha ayi-1,000.

Izimboni ezifana nokunakekelwa kwempilo, ezokuthengisa, kanye nezemfundo ziyazuza ekusebenzeni kahle kwezindleko kanye nekhono layo lokusingatha ukuxhumana okufushane, okusheshayo ngaphandle kokuphazamisa ukusebenza.

Ukukhetha Izikhungo Zedatha

Kuzinhlelo zokusebenza zesikhungo sedatha, i-bandwidth kanye nebanga kuyizidingo ezibalulekile. Nalapha futhi, i-fiber yemodi eminingi iyindlela ehlakaniphile yezixhumanisi zebanga elifushane, enikeza ukuguquguquka kanye nokukhula kwamanethiwekhi asafufusa.

Nakuba i-fiber yemodi eyodwa inezinkinga zezindleko zangaphambilini, ingabangela ukonga okukhulu kwesikhathi eside kwezindleko zamandla kanye nokupholisa ezindaweni ezinkulu.

Ukukhetha Amanethiwekhi Ebhizinisi

Amanethiwekhi ebhizinisi ahlala ecindezelwe ukunikeza ukusebenza kahle kwezindleko okukhulu, ukusebenza okuphezulu okuqhubekayo kanye nokukhula okusheshayo. I-Multimode fiber isebenza kahle ngezidingo zesikhashana, kodwa i-single mode ingcono ekukhuleni nasekuphepheni kwesikhathi eside.

Ukuhlaziywa Kwezindleko

Kungakhathaliseki ukuthi uqhathanisa imodi eyodwa kanye ne-fiber yemodi eningi noma ulinganisa ezinye izinketho, ukwazi umehluko wezindleko kubalulekile ekwenzeni isinqumo esinolwazi. Uhlobo ngalunye lwe-fiber lunezilinganiso zezindleko ezahlukene ezithinta izindleko zenhloko-dolobha kanye nezindleko zokusebenza eziqhubekayo.

Kubalulekile ukulinganisa lezi zindleko nezidingo zephrojekthi yakho ukuze uzuze ukonga okukhulu kwesikhathi eside.

Ukuqhathaniswa Kwezindleko Zekhebula

Izintambo zefayibha zemodi eyodwa zinikeza ukonga okukhulu kokufakwa okukhulu. Zishibhile ngobude beyunithi ngayinye futhi zingcono kakhulu ekuhambeni amabanga amade.

Isibonelo, inethiwekhi ye-1G eyakhiwe nge-fiber yemodi eyodwa ingakhula ifike ku-10G noma ngaphezulu, okunikeza ukonga kwesikhathi esizayo cishe okungu-50% ezindlekweni ze-fiber. Kulezi zixhumanisi ezimfushane, i-fiber yemodi eminingi iyisinqumo esingcono kakhulu.

Kuyinto ovame ukuyithola ezikhungweni zedatha yokugijima okungaphezu kwamamitha angu-500 (cishe amamitha angu-1,800).

Ukucatshangelwa Kwezindleko Zokudlulisela

Ama-transceiver ayisici esisodwa esikhulu esithonya izindleko zesistimu. Isibonelo, ama-transceiver e-multimode, njengamamojula asekelwe ku-VCSEL, ashibhile ukuwakhiqiza futhi alungele amadivayisi e-array.

Noma kunjalo, ama-transceiver emodi eyodwa, nakuba ebiza kakhulu, anikeza ukukhuliswa okukhulu nokusebenza kahle kwezinhlelo zokusebenza ezinde. Lokhu kushintshana ngokuvamile kuyisona sisekelo sokukhetha ifayibha.

Isibonelo esisodwa esiqondile isidingo sokuxhumeka kwe-10G ukusebenzisa imicu ye-OM3 noma ye-OM4 yemodi ehlukahlukene enezela cishe u-35% ezindlekweni ze-transceiver.

Izindleko Zokufaka Nokuqeda

Izindleko zokufaka ziyahlukahluka kakhulu kuye ngefayibha esetshenzisiwe. Ingqikithi encane yefayibha yemodi eyodwa isho ukuthi ukuphela kumele kube okuqondile, kodwa kwenza ukucushwa kwebanga elide kube lula.

Imicu ye-Multimode, ephela kalula futhi engabizi kakhulu kunemodi eyodwa, ifaneleka kakhulu lapho ubulula kanye nokusebenza okufushane kubalulekile khona—ezinhlelweni zebhizinisi.

Imiphumela Yezindleko Zesikhathi Eside

Izindleko zokulungisa eziphansi kanye nokuthuthukisa ngamanethiwekhi angakhuliswa zivumela i-fiber yemodi eyodwa ukuba ibe yindlela engcono, ikakhulukazi lapho kuthuthukiswa izinhlelo ezibanzi ezivikela esikhathini esizayo.

I-fiber ye-Multimode izoqhubeka nokonga kakhulu izinhlelo zokusebenza zesikhathi esifushane, ikakhulukazi ukuthunyelwa kwebhizinisi ngaphakathi kwamamitha angu-600.

Ukukhetha I-Fiber Efanele

Ukukhetha phakathi kwemodi eyodwa kanye ne-fiber yemodi eningi kuhilela ukucabangela okungeyona eyobuchwepheshe izindleko eziphelele zobunikazi uma kuqhathaniswa nezici zobuchwepheshe. Ukukwenza kahle kusho ukusebenzisa ukusebenza okulungiselelwe, ukusebenza kahle kwezindleko, kanye nokuvikela ingqalasizinda yenethiwekhi yakho esikhathini esizayo.

Hlola Izidingo Ze-bandwidth

Ukuqonda izidingo zakho zomkhawulokudonsa kubalulekile. Qala ngokuhlola izidingo zokudluliswa kwedatha zezinhlelo zakho zokusebenza. Isibonelo, imisebenzi edinga umkhawulokudonsa njengezikhungo zedatha noma ukusakaza ividiyo ye-4K kuvame ukudinga i-fiber enamandla aphezulu.

I-fiber ye-singlemode, enobubanzi bayo obuncane obungama-microns angu-8-10, isekela izinhlelo zokusebenza ze-bandwidth ephezulu ebangeni elide, isebenza ngempumelelo kuma-wavelength angu-1310nm kanye no-1550nm.

I-fiber ye-Multimode, enomgogodla wayo omkhulu wama-micron angu-50, isebenza kahle ngamabanga amafushane futhi isebenza ku-850nm. I-bandwidth yayo ephezulu ifinyelela ku-28,000MHz*km nge-fiber ye-OM5, okwenza ingafaneleki ukukhula kwesikhathi eside, okune-bandwidth ephezulu.

Cabanga Ngezidingo Zebanga

Ibanga livame ukuba yinto ebaluleke kakhulu ekukhetheni i-fiber efanele. I-fiber ye-singlemode ikhanya ekufakweni okude njengakubahlinzeki bezinsizakalo abaxhumanisa amabhizinisi noma amakhaya hhayi nje kuphela ngenxa yokuntuleka kokusabalala kwesignali.

Uma kuqhathaniswa, ukuncishiswa okukhulu kwesiginali ye-fiber ye-multimode kwenza kube nzima ukuyisebenzisa emabangeni amade. Isibonelo, i-multimode inengqondo ezindaweni zokwakha amahhovisi noma zenethiwekhi yekhampasi, lapho ukuzwela kwezindleko kanye nesidingo samabanga amafushane kuyindaba enkulu.

Hlola Izithiyo Zesabelomali

Ukucatshangelwa kwesabelomali kuthonya kakhulu ukukhethwa kwefayibha. Nakuba ifayibha yemodi eningi kanye nama-transceivers enikeza izindleko eziphansi kusengaphambili, imodi eyedwa inikeza impendulo yesikhathi eside, evikelayo yesikhathi esizayo yamanethiwekhi akhula ngokwandayo.

Ukusabalala okukhulu kwe-Singlemode kuvame ukuthethelela izindleko zayo ezinkulu, ikakhulukazi lapho ama-transceivers ebiza kakhulu ngo-1.5 kuya ku-5 kune-multimode efanayo.

Uhlelo Lokukhula Kwezinga

Izidingo zesikhathi esizayo kufanele ziqondise izinqumo zanamuhla. Amanethiwekhi okuqinisekisa i-singlemode fiber future anama-bandwidth akhuphukile kanye namakhono okude—ahlakaniphile kunoma iyiphi ingqalasizinda ethuthukiswayo, noma edingekayo.

Nakuba i-multimode ivamile, inemikhawulo yokukala kuye ngebanga kanye nomkhawulokudonsa odingekayo.

Izinselele Ekudlulisweni Kwesivinini Esiphezulu

Nakuba ukudluliswa kwe-fiber optic okusheshayo kubalulekile kumanethiwekhi anamuhla, kunezinselele eziningi ezingathinta ukusebenza kwayo okuhle.

Ukuhlakazeka Nokunciphisa

Ukuhlakazeka kanye nokuncipha yizici ezimbili ezinkulu ezithinta ikhwalithi yesiginali kanye nokusebenza kwenethiwekhi. Kungakhathaliseki ukuthi usebenzisa i-single mode noma i-multimode fiber, ukuqonda nokunciphisa lezi zinselele kubalulekile ukuze kukhuliswe ukusebenza kwesistimu.

Ukusabalala ku-Multimode Fiber

Ukusabalala kwe-Modal kwenzeka ku-fiber ye-multimode lapho izindlela eziningana zokukhanya ezihlukene zisakazeka ngesivinini esihlukile. Lokhu kungenxa ye-core enkulu engama-micron angu-50. Lokhu kubangela ukuthi isignali isakazeke, okwenza ingacaci kahle emabangeni amade.

I-fiber ye-Multimode isebenza kahle kakhulu ekuxhumekeni kwebanga elifushane, okune-bandwidth ephezulu, ngakho-ke ifaneleka kahle ukusetshenziswa ngaphakathi kwezikhungo zedatha. Kodwa-ke ukusabalala kwe-modal kunciphisa ukusebenza kwayo okungaphezu kwamamitha ambalwa. I-fiber ene-graded-index iyasebenza kakhulu ekunciphiseni ukubambezeleka kwemodi.

Ngesikhathi esifanayo, ama-laser akhipha ubuso aqondile (ama-VCSEL) athuthukisa ukufana kwesiginali, enikeza isendlalelo esengeziwe sokuvikela kule miphumela. Amanethiwekhi egridi aklama amanethiwekhi anebanga eliqondile kanye nezidingo ze-bandwidth kusukela ekuqaleni, ewalungiselela ukusebenza okuphezulu.

Ukuncishiswa kwe-Fiber yemodi eyodwa

I-fibre yemodi eyodwa, ngenxa ye-core yayo encane engu-9-micron, incishiswa ukuguquguquka, ukungcola, kanye nokuncishiswa. Uma isebenza ngamaza okukhanya njenge-1310nm noma i-1550nm, ivumela ukudluliselwa kwe-bandwidth okuphezulu, okungabizi kakhulu, okude, kanye nokulahleka kwesignali okuphansi kakhulu.

Ukuncishiswa okuphansi kwe-Multimode kunciphisa kakhulu isidingo sama-repeater abizayo, okuthuthukisa ubude obude bamamayela amaningi. Ukukhetha i-fiber yemodi eyodwa ye-premium kanye nemikhuba emihle yokufaka ngemuva kwezindlela ezimbili ezinkulu zokuthuthukisa ukuthembeka kwenethiwekhi kanye nobuqotho besignali.

Ukunqoba Izinselele Zokudlulisela

Iziteshi zobude be-wavelength ezilinganiselwe zibalulekile ukuze kwandiswe umthamo. Ubuchwepheshe obusha njenge-dense wavelength division multiplexing (DWDM) bungandisa umthamo we-fiber yemodi eyodwa ngokubeka iziteshi zobude be-wavelength eziqinile.

Ukugcinwa okufanele, ukuthuthukiswa okusekelwe enjongweni, kanye nezici ezithuthukisiwe njengemishini yokuhlanganisa ngokunemba kusiza ukugcina uhlelo lusebenza kahle kakhulu.

Umthelela Wokuwohloka Kwesignali

Kungakhathaliseki ukuthi kunciphisa ijubane ngezimpawu ezifana nokuhlakazeka noma ukuncipha, lezi zici zithinta kokubili ijubane kanye nokuthembeka. Ukuqapha okusebenzayo kubalulekile.

Amathuluzi anjenge-optical time-domain reflectometers (OTDR) avimbela izinkinga ukuthi zingabi zimbi kakhulu ngaphambi kokuba zidlule ekulawuleni futhi zibize kakhulu.

Ukwanda Nokuthuthukiswa Kwenethiwekhi

Ukusabalala kuvumela ingqalasizinda yakho ukuthi izivumelanise nabasebenzisi abaningi, amadivayisi, kanye nethrafikhi ekhulayo ngaphandle kokwakhiwa kabusha okukhulu. Izintambo ze-fiber optic, ikakhulukazi izinhlobo zemodi eyodwa kanye nemodi eminingi, zidlala indima ebalulekile ekunqumeni ukuthi amanethiwekhi angakhula futhi athuthukise kanjani ngempumelelo.

Ukuqinisekisa Inethiwekhi Yakho Yesikhathi Esizayo

Ukuvikela ikusasa kuqala ngokuqonda ukuthi yiziphi izinhlobo zefayibha ezifanela imibono yesikhathi eside yomphakathi wakho. Ifayibha yemodi eyodwa inomgogodla ongu-9-micron futhi ivame ukusetshenziswa kuma-wavelength angu-1310 nm noma angu-1550 nm. Ngomklamo ogxile ekunembileni nasebangeni, ilungele amanethiwekhi adinga ukukhuliswa.

Izindleko zayo zokukhiqiza kanye nezindleko zama-transceivers ziphakeme, kodwa lokho akukuvimbeli. Uma kuhlanganiswa nokudluliselwa kwebanga elide okungenamthungo kanye ne-bandwidth ephezulu, lobu buchwepheshe buyisisombululo esinengqondo sobufakazi besikhathi esizayo. Ukuhlela intuthuko yobuchwepheshe besikhathi esizayo, okuhlanganisa nokuthuthela ku-5G kanye ne-IoT, kwazisa ukukhethwa kwefayibha.

Isibonelo, cabanga ngokuthembela okukhulu kwabasebenzi abaningi bezokuxhumana ku-fiber yemodi eyodwa, ngenxa yamandla ayo okubhekana nezidingo zedatha zesikhathi esizayo kanye nezidingo zebanga.

Ukuhlela Ukukhula Komkhawulokudonsa

Isidingo se-bandwidth sikhula ngokushesha emikhakheni efana nokunakekelwa kwempilo, lapho i-telemedicine kanye ne-imaging kudinga amazinga aphezulu edatha, noma emfundweni enamapulatifomu okufunda aku-inthanethi. I-fiber yemodi eyodwa ihlangabezana nalezi zidingo ngokunikeza ukulahleka kwesignali okuphansi kakhulu ngangokunokwenzeka emabangeni aphezulu.

Ukukhushulwa kwayo kuye emazingeni edatha aphezulu kakhulu—ngisho nasezingeni le-terabit—kugcina amanethiwekhi eqinisiwe ngesikhathi lapho ukuhlaselwa kusabalele khona kakhulu. Ukunquma isidingo sesikhathi esizayo lapho kuhlelwa iphrojekthi kuvimbela ukwanda okubizayo kanye nezinye izinto ezintsha ezalandela.

Ukuthuthukisa Ingqalasizinda Ye-Fiber

Ukuthuthukiswa kudinga ukuhlola amakhono amanje kanye nemigomo yesikhathi esizayo. Ukuze kuncishiswe ukuphazamiseka ngezinga elincane ngangokunokwenzeka, ukuqaliswa kancane kancane kubalulekile.

Isibonelo, ukushintshanisa i-fiber yemodi eningi ne-fiber yemodi eyodwa ezikhungweni zedatha kuyindlela ehlakaniphile yokuthuthukisa ukusebenza ngenkathi kuhlolwa ikusasa ukuze kuhlale kunesidingo.

Ukuzivumelanisa Nezobuchwepheshe Ezintsha

Ukuhambisana nezinto ezintsha zakamuva nge-fiber kukhulisa ukusebenza kahle kanye nomthamo. Imfundo eqhubekayo isiza amanethiwekhi ukuthi asebenzise ubuchwepheshe obusezingeni eliphezulu okuhlanganisa i-wavelength-division multiplexing ukuze afinyelele ukusabalala okukhulu.

Isiphetho

Ngokwazi umehluko phakathi kwe-single-mode vs multimode fiber, uzobe uhlome kangcono ukwenza izinqumo ezihlakaniphile mayelana nokuthi inethiwekhi yakho idingani. I-single-mode fiber isebenza kahle kakhulu ekuxhumekeni emabangeni amade kanye nezixhumanisi ezisheshayo nezinamandla aphezulu, kanti i-multimode fiber ifaneleka kakhulu emabangeni amafushane nasezindaweni ezinakekela isabelomali. Uhlobo ngalunye lunezinzuzo zalo ezihlukile. Khetha uhlobo oluzokhonza kangcono izidingo ezihlukile zephrojekthi yakho - kusukela kusabelomali, kuya ekukhuleni, kuya ezinhlosweni zokusebenza.

Noma yikuphi ukukhetha kunikeza izimpendulo ezithembekile nezilungele ikusasa kumanethiwekhi anamuhla. Ukukhetha okulungile kukuvumela ukuthi wandise ukusebenza kahle futhi unciphise isidingo sokuthuthukiswa okubizayo. Ukuphatha isikhungo sedatha senkampani, ukwenza inethiwekhi yekhampasi yebhizinisi ibe yesimanje noma ukufaka ingqalasizinda ukuze kwamukelwe amathuba amasha ebhizinisi? Ingqalasizinda esezingeni eliphezulu I-fiber efanele ingathinta kakhulu isimo ngasinye salezi—ngendlela enhle! Ukuze ufinyelele imiphumela emihle, khetha ngokufanele lokho ohlose ukukufeza kanye nosayizi wenethiwekhi yakho.

 

imibuzo ejwayelekile ukubuzwa

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

Umehluko omkhulu usayizi womongo. I-fiber yemodi eyodwa inomongo omncane (cishe ama-micron angu-8-10), okuvumela imodi yokukhanya eyodwa, kuyilapho i-fiber yemodi eminingi inomongo omkhulu (ama-micron angu-50-62.5) wezindlela zokukhanya eziningi. Lokhu kuthinta kakhulu ibanga labo kanye namakhono omkhawulokudonsa.

Yiluphi uhlobo lwefayibha olungcono ekudlulisweni kwebanga elide?

I-fiber yemodi eyodwa isebenza kangcono ekudluliseni okude. Lobu buchwepheshe abunawo nhlobo ukulahleka kwesiginali futhi buvumela i-bandwidth ephezulu kakhulu emabangeni amade. Konke lokhu kuyisizathu sokuba kube kuhle kakhulu ezikhungweni zokuxhumana kanye nedatha.

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

Uhlobo lwefayibha lubalulekile Yebo, ifayibha yemodi eningi ivame ukubiza kancane. Izintambo kanye nemishini ehlobene nazo, kufaka phakathi ama-transceivers, zibiza kancane kunezinhlelo zemodi eyodwa. Lokhu kuzenza zibe inketho engabizi kakhulu yokugijima okufushane.

Yiziphi izimo ezivamile zokusetshenziswa kwefayibha yemodi eyodwa?

I-fiber yemodi eyodwa iyaqhubeka nokuba ubuchwepheshe obukhethwayo bokuxhumana okude kanye namanethiwekhi endawo yedolobha. Ikhanya ngempela ezinhlelweni zokusebenza ze-bandwidth ephezulu njenge-backbones ye-inthanethi kanye nezikhungo zedatha ezinkulu.

Ingabe i-fiber ye-multimode ingakwazi ukusekela isivinini se-10Gbps?

Yebo, i-fiber ye-multimode ingasekela isivinini esingu-10Gbps, kodwa kuphela emabangeni amafushane, ngokuvamile afinyelela kumamitha angu-1,000 ngezintambo ze-OM3 noma ze-OM4 multimode.

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

Cabanga ngezidingo zebanga kanye ne-bandwidth yenethiwekhi yakho. Ngokuvamile, i-single-mode ilungele izidingo zebanga elide noma i-bandwidth ephezulu kuyilapho i-multimode isebenza ekuxhumaneni okufushane nokungabizi kakhulu njengangaphakathi kwesakhiwo noma ikhampasi.

Ingabe imicu yemodi eyodwa ingcono ekukhuliseni?

Yebo, imicu yemodi eyodwa ingcono kakhulu ekukhuliseni. Amandla ayo okusingatha i-bandwidth ephezulu kanye namabanga amade ayenza ibe ngcono ekuthuthukisweni kwenethiwekhi yesikhathi esizayo kanye nezidingo ezintsha zokudlulisela ngesivinini esikhulu.