Njengedivayisi yokuguqula i-photoelectric, imojuli ye-optical iwumkhiqizo ovame kakhulu kunethiwekhi yokuxhumana ye-optical. Phakathi kwezici zamamojula optical, umthamo wokudlulisa ungomunye wemingcele ebaluleke kakhulu futhi ethinteka kakhulu. Ngaphezu kwalokho, ibanga lokudlulisela lemojula ye-optical ingenye ipharamitha eyinhloko engakwazi ukushaywa indiva. Emikhakheni ehlukene kanye nezixhumanisi zokudluliswa kwenethiwekhi ye-optical communication, izici zamamojula optical nazo zihlukile.
Ngokwebanga lokudlulisela lemojula ye-optical, ingahlukaniswa ngezinhlobo ezintathu: imodyuli ye-optical yebanga elifushane, i-medium-distance optical module, ne-long-distance optical module. Imojuli yebanga elide ye-optical isho imojuli ye-optical enebanga lokudlulisela elingu-30 km noma ngaphezulu. Isidingo sokudluliswa kwedatha yenethiwekhi ibanga elide.
Ekusetshenzisweni kwangempela kwemodyuli ye-optical yebanga elide, ibanga eliphakeme lokudlulisa lemoduli alikwazi ukutholakala ezimweni eziningi. Lokhu kungenxa yokuthi izinga elithile lokuhlakazeka kwenzeka ngesikhathi sokudluliselwa kwesignali ye-optical ku-fiber optical. Ukuze uxazulule le nkinga, imojula ye-optical yebanga elide iyamukelwa. I-wavelength eyodwa kuphela ebusayo i-laser yami ye-DFB njengomthombo wokukhanya, ngaleyo ndlela igwema inkinga yokuhlakazeka.
Amamojula we-optical obude obude atholakala kumamojula we-SFP optical, amamojula we-SFP + optical, amamojula we-XFP optical, amamojula we-25G optical, amamojula we-40G optical, namamojula we-100G optical. Phakathi kwabo, i-module ye-SFP + yebanga elide ithatha ingxenye ye-laser ye-EML kanye nengxenye ye-photodetector, enciphisa ukusetshenziswa kwamandla we-module optical futhi ithuthukise ukunemba; imodyuli ye-40G yebanga elide ithatha umshayeli kanye neyunithi yemodulation kusixhumanisi sokudlulisa, futhi ithola Isixhumanisi sisebenzisa i-amplifier optical kanye neyunithi yokuguqula isithombe sikagesi ukuze kuzuzwe ibanga lokudlulisa eliphakeme le-80 km.
Kodwa-ke, ibanga lokudlulisela lemojula ye-optical alikho ngangokunokwenzeka, futhi isisombululo esifanele kufanele sithathwe uma kufanelekile. Izinhlelo zokusebenza zamabanga amade ikakhulukazi zisezindaweni zamachweba weseva,shintshaizimbobo, izimbobo zamakhadi enethiwekhi, ukuqapha ukuphepha, ukuxhumana ngocingo, i-Ethernet, namanethiwekhi okubonayo avumelanayo.