Ikhebula le-fiber optic lemodi eyodwafuthiikhebula le-fiber optic elinamamodi amaningizisebenza ngezinjongo ezihlukile, okwenza zingahambisani nokusetshenziswa okushintshekayo. Umehluko onjengosayizi oyinhloko, umthombo wokukhanya, kanye nobubanzi bokudlulisa uthinta ukusebenza kwazo. Isibonelo, ikhebula le-fiber optic lemodi eningi lisebenzisa ama-LED noma ama-laser, kuyilapho ikhebula le-fiber optic lemodi eyodwa lisebenzisa ama-laser kuphela, ukuqinisekisa ukudluliselwa kwesignali okunembile emabangeni amade kuzinhlelo zokusebenza ezifanaikhebula le-fiber optic le-telecomfuthiikhebula le-fiber optic le-FTTHUkusetshenziswa okungalungile kungaholela ekuwohlokeni kwesignali, ukungazinzi kwenethiwekhi, kanye nezindleko eziphezulu. Ukuze kusebenze kahle ezindaweni ezifana naleziikhebula le-fiber optic lesikhungo sedathaizinhlelo zokusebenza, ukukhetha ikhebula le-fiber optic elifanele kubalulekile.
Izinto Ezibalulekile Okufanele Uzicabangele
- Kusetshenziswa izintambo zemodi eyodwa kanye nezindlela eziningiimisebenzi ehlukeneAwukwazi ukuzishintshanisa. Khetha efanele izidingo zakho.
- Izintambo zemodi eyodwa zisebenza kahleamabanga amadekanye nesivinini sedatha esiphezulu. Zilungele izikhungo zezokuxhumana kanye nezedatha.
- Izintambo zemodi eminingi zibiza kancane ekuqaleni kodwa zingabiza kakhulu kamuva. Lokhu kungenxa yokuthi zisebenza ibanga elifushane futhi zinejubane ledatha eliphansi.
Umehluko Wobuchwepheshe Phakathi Kwezintambo Zemodi Eningi Nemodi Eyodwa
Ububanzi be-Core kanye nomthombo wokukhanya
Ububanzi obuyinhloko buwumehluko oyisisekelo phakathiizintambo zemodi eminingi kanye nemodi eyodwa. Izintambo zemodi eminingi zivame ukuba nobubanzi obukhulu be-core, kusukela ku-50µm kuya ku-62.5µm, kuye ngohlobo (isb., OM1, OM2, OM3, noma OM4). Ngokuphambene nalokho, ikhebula le-fiber optic lemodi eyodwa linobubanzi obuncane kakhulu be-core obungaba ngu-9µm. Lo mehluko uthinta ngqo uhlobo lomthombo wokukhanya osetshenziswayo. Izintambo zemodi eminingi zithembele kuma-LED noma kuma-laser diode, kuyilapho izintambo zemodi eyodwa zisebenzisa ama-laser kuphela ukuze kudluliselwe ukukhanya okuqondile nokugxile.
| Uhlobo lwekhebula | Ububanzi be-Core (ama-micron) | Uhlobo Lomthombo Wokukhanya |
|---|---|---|
| Imodi Eningi (OM1) | 62.5 | I-LED |
| Imodi Eningi (OM2) | 50 | I-LED |
| Imodi Eningi (OM3) | 50 | I-Diode ye-Laser |
| Imodi Eningi (OM4) | 50 | I-Diode ye-Laser |
| Imodi eyodwa (OS2) | 8–10 | I-Laser |
Ingqikithi encane yeikhebula le-fiber optic lemodi eyodwakunciphisa ukusabalala kwe-modal, okwenza kube kuhle kakhulu ekusetshenzisweni kwebanga elide.
Ibanga Lokudlulisa kanye ne-Bandwidth
Izintambo zemodi eyodwa ziphumelela kakhulu ekudluliseni ibanga elide kanye nomthamo we-bandwidth. Zingadlulisa idatha ebangeni elifinyelela kumakhilomitha angama-200 nge-bandwidth engenamkhawulo. Izintambo zemodi eziningi, ngakolunye uhlangothi, zikhawulelwe ebangeni elifushane, ngokuvamile phakathi kwamamitha angama-300 nama-550, kuye ngohlobo lwekhebula. Isibonelo, izintambo zemodi eziningi ze-OM4 zisekela isivinini se-100Gbps ebangeni eliphakeme lamamitha angama-550.
| Uhlobo lwekhebula | Ibanga Eliphezulu | Ububanzi bomkhawulo |
|---|---|---|
| Imodi Eyodwa | Amakhilomitha angu-200 | 100,000 GHz |
| Imodi Eningi (OM4) | Amamitha angu-550 | 1 GHz |
Lokhu kwenza ikhebula le-fiber optic lemodi eyodwa libe yisinqumo esikhethwayo sezinhlelo zokusebenza ezidinga ukudluliswa kwedatha ngesivinini esikhulu emabangeni amade.
Ikhwalithi Yesignali Nokunciphisa Ukuqina
Ikhwalithi yesiginali kanye nokuncishiswa kwayo kuhluke kakhulu phakathi kwalezi zinhlobo ezimbili zekhebula. Izintambo zemodi eyodwa zigcina ukuzinza kwesignali okuphezulu ebangeni elide ngenxa yokusabalala kwazo okuncishisiwe kwe-modal. Izintambo zemodi eziningi, ezinobukhulu bazo obukhulu, zithola ukusabalala okuphezulu kwe-modal, okungalimaza ikhwalithi yesiginali ebangeni elide.
| Uhlobo lwefayibha | Ububanzi be-Core (ama-micron) | Ibanga Elisebenzayo (amamitha) | Isivinini Sokudlulisa (Gbps) | Umthelela Wokusabalala Kwendlela |
|---|---|---|---|---|
| Imodi eyodwa | 8 kuya ku-10 | > 40,000 | > 100 | Phansi |
| Imodi eminingi | 50 kuya ku-62.5 | 300 – 2,000 | 10 | Phezulu |
Ezindaweni ezidinga ikhwalithi yesignali ehambisanayo nethembekile, ikhebula le-fiber optic lemodi eyodwa linikeza inzuzo ecacile.
Izinto Eziwusizo Zokucatshangelwa Ekukhetheni Ikhebula Elifanele
Umehluko Wezindleko Phakathi Kwezintambo Zemodi Eningi Nemodi Eyodwa
Izindleko zidlala indima ebalulekile lapho kunqunywa phakathi kwezintambo zemodi eminingi kanye nezemodi eyodwa. Izintambo zemodi eminingi ngokuvamile zingabizi kakhulu kusengaphambili ngenxa yenqubo yazo yokukhiqiza elula kanye nokusetshenziswa kwama-transceivers ashibhile. Lokhu kuzenza zibe ukukhetha okuthandwayo kwezinhlelo zokusebenza zebanga elifushane, njengangaphakathi kwezikhungo zedatha noma amanethiwekhi ekhampasi. Kodwa-ke, ikhebula le-fiber optic lemodi eyodwa, nakuba ekuqaleni libiza kakhulu, linikeza ukusebenza kahle kwezindleko zesikhathi eside. Amandla alo okusekela i-bandwidth ephezulu kanye namabanga amade kunciphisa isidingo sokuthuthukiswa njalo noma ukutshalwa kwezimali okwengeziwe kwengqalasizinda. Izinhlangano ezibeka phambili ukukhuliswa kanye nokuvikela esikhathini esizayo zivame ukuthola ukuthi izindleko zokuqala eziphezulu zezintambo zemodi eyodwa zibalulekile.
Ukusetshenziswa Kwekhebula Le-Fiber Optic Lemodi Eyodwa kanye Nekhebula Lemodi Eningi
Ukusetshenziswa kwalezi zintambo kuyahlukahluka ngokusekelwe emakhonweni azo obuchwepheshe. Izintambo ze-fiber optic zemodi eyodwa zilungele ukuxhumana okude, njengasezikhungweni zokuxhumana kanye nezindawo zedatha ezisheshayo. Zigcina ubuqotho besignali ebangeni elifinyelela kumakhilomitha angama-200, okwenza zifaneleke kumanethiwekhi omgogodla kanye nezinhlelo zokusebenza ze-bandwidth ephezulu. Ngakolunye uhlangothi,izintambo zemodi eminingi, ikakhulukazi izinhlobo ze-OM3 kanye ne-OM4, zenzelwe ukusetshenziswa ibanga elifushane. Zivame ukusetshenziswa kumanethiwekhi azimele kanye nezikhungo zedatha, zisekela amazinga edatha afinyelela ku-10Gbps kumabanga aphakathi. Ububanzi bazo obukhulu buvumela ukudluliswa kwedatha okuphumelelayo ezindaweni lapho ukusebenza ibanga elide kungadingeki khona.
Ukuhambisana Nengqalasizinda Yenethiwekhi Ekhona
Ukuhambisana nengqalasizinda ekhona kungenye into ebalulekile. Izintambo zemodi eminingi zivame ukusetshenziswa ezinhlelweni ezindala lapho kudingeka khona ukuthuthukiswa okungabizi kakhulu. Ukuhambisana kwazo nama-transceiver amadala kanye nemishini kuzenza zibe ukukhetha okusebenzayo kokugcina amanethiwekhi akhona. Intambo ye-fiber optic yemodi eyodwa, nokho, ifaneleka kangcono kumanethiwekhi anamuhla, asebenza kahle kakhulu. Amandla ayo okuhlanganisa nama-transceiver athuthukile nokusekela amazinga aphezulu edatha aqinisekisa ukusebenza okungenamthungo ezindaweni ezisezingeni eliphezulu. Lapho kuthuthukiswa noma kuguqulwa, izinhlangano kumele zihlole ingqalasizinda yazo yamanje ukuze zithole ukuthi yiluphi uhlobo lwekhebula oluhambisana nemigomo yazo yokusebenza.
Ukushintsha noma Ukuthuthukisa Phakathi Kwemodi Eningi Nemodi Eyodwa
Ukusebenzisa ama-Transceiver ukuze kuhambisane
Ama-transceiver adlala indima ebalulekile ekuvaleni igebe phakathi kwezintambo zemodi eminingi kanye nemodi eyodwa. Lawa madivayisi aguqula amasignali ukuqinisekisa ukuhambisana phakathi kwezinhlobo ezahlukene zefayibha, okwenza kube lula ukuxhumana okungenamthungo ngaphakathi kwamanethiwekhi e-hybrid. Isibonelo, ama-transceiver afana ne-SFP, i-SFP+, kanye ne-QSFP28 anikeza amazinga okudlulisa idatha ahlukahlukene, asukela ku-1 Gbps kuya ku-100 Gbps, okwenza afaneleke ezinhlelweni zokusebenza ezifana nama-LAN, izikhungo zedatha, kanye nekhompyutha esebenza kahle kakhulu.
| Uhlobo lwe-Transceiver | Izinga Lokudlulisa Idatha | Izicelo Ezijwayelekile |
|---|---|---|
| I-SFP | 1 Gbps | Ama-LAN, amanethiwekhi okugcina |
| I-SFP+ | 10 Gbps | Izikhungo zedatha, amapulazi eseva, ama-SAN |
| I-SFP28 | Kufika ku-28 Gbps | I-Cloud computing, i-virtualization |
| QSFP28 | Kufika ku-100 Gbps | Ikhompyutha esebenza kahle kakhulu, izikhungo zedatha |
Ngokukhetha i-transceiver efanele, izinhlangano zingathuthukisa ukusebenza kwenethiwekhi ngenkathi zigcina ukuhambisana phakathi kwezinhlobo zekhebula.
Izimo Lapho Ukuthuthukiswa Kungenzeka Khona
Ukuthuthukiswa kusuka kumamodi amaningiUkuya ezintanjeni zemodi eyodwa kuvame ukuqhutshwa yisidingo sobubanzi be-bandwidth obuphezulu kanye namabanga okudlulisa amade. Kodwa-ke, lolu shintsho luletha izinselele, okuhlanganisa izithiyo zobuchwepheshe kanye nemiphumela yezezimali. Imisebenzi yokwakha, njengokufaka amapayipi amasha, ingadingeka, okwengeza ezindlekweni eziphelele. Ngaphezu kwalokho, izixhumi namaphaneli okuxhuma kumele kucatshangelwe ngesikhathi senqubo yokuthuthukisa.
| Isici | Amakhebula Emodi Eningi | Imodi Eyodwa (i-AROONA) | Ukonga kwe-CO2 |
|---|---|---|---|
| Ingqikithi ye-CO2-eq yokukhiqiza | Amathani ayi-15 | 70 kg | Amathani ayi-15 |
| Uhambo olulinganayo (eParis-eNew York) | Uhambo olubuyayo oluyi-15 | 0.1 uhambo lokubuyela emuva | Uhambo olubuyayo oluyi-15 |
| Ibanga elijwayelekile emotweni | 95,000 km | 750 km | 95,000 km |
Naphezu kwalezi zinselele, izinzuzo zesikhathi eside zekhebula le-fiber optic le-single mode, njengokuncipha kwesignali kanye nokukhula kwayo, kwenza kube utshalomali olufanele kumanethiwekhi avikela ikusasa.
Izixazululo ze-Dowell Zokushintsha Phakathi Kwezinhlobo Zekhebula
I-Dowell inikeza izixazululo ezintsha zokwenza kube lula ukushintsha phakathi kwezintambo zemodi eminingi kanye nezintambo zemodi eyodwa. Izintambo zabo ze-fiber optic patch zithuthukisa kakhulu isivinini sedatha kanye nokuthembeka uma kuqhathaniswa nezinhlelo zezintambo zendabuko. Ngaphezu kwalokho, imiklamo kaDowell engazweli ukugoba kanye nemiklamo emincane iqinisekisa ukuqina nokusebenza kahle, okwenza kube kuhle kumanethiwekhi anamuhla asheshayo. Ukusebenzisana nemikhiqizo ethembekile efana ne-Dowell kuqinisekisa ukuthi ukuthuthukiswa kwenethiwekhi kuhlangabezana nezindinganiso zemboni futhi kuhlala kuhambisana nobuchwepheshe obushintshayo.
Ngokusebenzisa ubuchwepheshe bukaDowell, izinhlangano zingafeza izinguquko ezingenamthungo ngenkathi zithuthukisa ukusebenza kwenethiwekhi nokuthembeka.
Izintambo zemodi eminingi kanye nemodi eyodwa zisebenza ngezinjongo ezihlukile futhi azikwazi ukusetshenziswa ngokushintshana. Ukukhetha ikhebula elifanele kuncike ebangeni, izidingo ze-bandwidth, kanye nesabelomali. Amabhizinisi eShrewsbury, MA, athuthukise ukusebenza kahle ngokushintshela ku-fiber optics. I-Dowell inikeza izixazululo ezinokwethenjelwa, iqinisekisa ukuguquka okungenamthungo kanye namanethiwekhi angakhuliswa ahlangabezana nezidingo zesimanje ngenkathi kuthuthukiswa ukuphepha kwedatha kanye nokusebenza.
Imibuzo Evame Ukubuzwa
Ingabe izintambo zemodi eminingi kanye nemodi eyodwa zingasebenzisa ama-transceivers afanayo?
Cha, zidinga ama-transceiver ahlukene. Izintambo zemodi eminingi zisebenzisa ama-VCSEL noma ama-LED, kuyilaphoizintambo zemodi eyodwathembela kuma-laser ukuze kudluliselwe isignali ngendlela enembile.
Kwenzekani uma kusetshenziswa uhlobo lwekhebula olungalungile?
Ukusebenzisa uhlobo olungalungile lwekhebula kuyimbangelaukuwohloka kwesignali, ukwanda kokuncishiswa kwejubane, kanye nokungazinzi kwenethiwekhi. Lokhu kungaholela ekunciphiseni ukusebenza kanye nezindleko zokulungisa eziphezulu.
Ingabe izintambo zemodi eminingi zilungele ukusetshenziswa kwebanga elide?
Cha, izintambo zemodi eminingi zilungiselelwe amabanga amafushane, ngokuvamile afinyelela kumamitha angu-550. Izintambo zemodi eyodwa zingcono kakhulu ekusetshenzisweni kwebanga elide elingaphezu kwamakhilomitha amaningana.
Isikhathi sokuthunyelwe: Ephreli-10-2025