Ekufingqweni kwamanethiwekhi olwazi lwesimanje, ukuxhumana kwe-fiber optical kuthatha isikhundla esiphezulu.Ngokukhula kwenethiwekhi kanye nokwanda okuqhubekayo kwamandla okuxhumana, ukuthuthukiswa kwezixhumanisi zokuxhumana nakho kuyintuthuko engenakugwemeka.Amamojula we-Opticalbona amasiginali we-optoelectronic kumanethiwekhi okuxhumana okukhanya.Ukuguqulwa kungenye yezingxenye eziyinhloko zokuxhumana kwe-fiber optical.Kodwa-ke, sivame ukukhuluma ngamamojula we-optical.Ngakho-ke, yiziphi imingcele yamamojula optical?

Ngemuva kweminyaka yokuthuthuka, amamojula optical ashintshe kakhulu izindlela zawo zokupakisha.I-SFP, GBIC, XFP, Xenpak, X2, 1X9, SFF, 200/3000pin, XPAK, QAFP28, njll. zonke ziyizinhlobo zokupakisha zamamojula optical;kuyilapho isivinini esiphansi, i-100M, i-Gigabit, i-2.5G, i-4.25G, i-4.9G, i-6G, i-8G, i-10G, i-40G, i-100G, i-200G ngisho ne-400G ingamazinga okudlulisela amamojula optical.
Ngaphezu kwamapharamitha ajwayelekile wemojula ye-optical, kukhona okulandelayo:

1. Ubude begagasi obumaphakathi
Iyunithi ye-wavelength emaphakathi yi-nanometer (nm), okwamanje kunezinhlobo ezintathu eziyinhloko:
1) 850nm (MM, imodi eminingi, izindleko eziphansi kodwa ibanga elifushane lokudlulisela, ngokuvamile ukudluliselwa okungu-500m kuphela);
2) I-1310nm (SM, imodi eyodwa, ukulahlekelwa okukhulu kodwa ukuhlakazeka okuncane ngesikhathi sokudlulisa, ngokuvamile kusetshenziselwa ukudluliselwa ngaphakathi kwe-40km);
3) 1550nm (SM, imodi eyodwa, ukulahlekelwa okuphansi kodwa ukuhlakazeka okukhulu ngesikhathi sokudlulisela, ngokuvamile kusetshenziselwa ukudluliselwa kwebanga elide ngaphezu kuka-40km, futhi okude kakhulu kungadluliselwa ngokuqondile ngaphandle kokudluliselwa kwe-120km).

2. Ibanga lokudlulisela
Ibanga lokudlulisela libhekisela ebangeni lapho amasignali abonakalayo angadluliselwa ngokuqondile ngaphandle kokukhulisa ukudluliselwa.Iyunithi ingamakhilomitha (ebizwa nangokuthi amakhilomitha, km).Amamojula okubona ngokuvamile anezincazelo ezilandelayo: imodi eminingi engu-550m, imodi eyodwa 15km, 40km, 80km, 120km, njll. Linda.

3. Ukulahlekelwa nokuhlakazeka: Kokubili kuthinta kakhulu ibanga lokudlulisela lemojula ye-optical.Ngokuvamile, ukulahlekelwa kwesixhumanisi kubalwa ku-0.35dBm/km ku-1310nm optical module, futhi ukulahlekelwa kwesixhumanisi kubalwa ku-0.20dBm/km ku-1550nm optical module, futhi inani lokusabalalisa libalwa Liyinkimbinkimbi kakhulu, ngokuvamile ukuze lisetshenziswe kuphela;

4. Ukulahleka nokuhlakazeka kwechromatic: Lezi zinhlaka ezimbili zisetshenziselwa kakhulu ukuchaza ibanga lokudlulisela lomkhiqizo.Amandla okudlulisa amehlo nokuthola ukuzwela kwamamojula we-optical we-wavelengths ehlukene, amazinga okudlulisela kanye namabanga okudlulisela kuzohluka;

5. Isigaba selaser: Okwamanje, amalaser asetshenziswa kakhulu yi-FP ne-DFB.Izinto ze-semiconductor kanye nesakhiwo se-resonator kokubili kuhlukile.Amalaser e-DFB ayabiza futhi asetshenziswa kakhulu kumamojula abonakalayo anebanga lokudlulisela elingaphezu kuka-40km;kuyilapho amalaser e-FP eshibhile, Ngokuvamile asetshenziselwa amamojula abonakalayo anebanga lokudlulisela elingaphansi kuka-40km.

6. I-Optical fiber interface: I-SFP optical modules yizo zonke i-LC interfaces, amamojula we-GBIC optical yizo zonke i-SC interfaces, nezinye i-interfaces zihlanganisa i-FC ne-ST, njll.;

7. Impilo yesevisi ye-optical module: izinga leyunifomu yamazwe ngamazwe, amahora angu-7×24 omsebenzi ongaphazamiseki amahora angu-50,000 (okulingana neminyaka engu-5);

8. Imvelo: Izinga lokushisa lokusebenza: 0~+70℃;Ukushisa kwesitoreji: -45 ~ + 80 ℃;I-voltage yokusebenza: 3.3V;Izinga lokusebenza: TTL.