Yiziphi Ukusetshenziswa kwe-SFP futhi Ziyiguqula Kanjani Izimpawu?

Ukuze uthole isixhumi esibonakalayo, into yokuqala okudingeka ichazwe ukubukeka kwesixhumi esibonakalayo. Esinye isiphetho semojula ye-optical sidinga ukuxhunywa futhi sixhunywe kusignali kagesi ohlangothini lwesistimu, kanti esinye isiphetho sidinga ukulungiswa ku-fiber optical ukuze kudluliselwe isignali yokubona.

Uma kuziwa ohlotsheni lwemojuli ye-optical, ukubukeka okuyisisekelo nokwakheka kuyanqunywa. Kungakhathaliseki ukuthi yimuphi umkhiqizi, izilinganiso eziyisisekelo zingashintshwa komunye nomunye.

I-multimode wavelength ngokuyinhloko ithwala ama-VCSEL aphuma phezulu (ama-VCSEL). Ama-VCSEL akhipha umphezulu anikeza ukonga kwezindleko okukhulu kunama-VCSEL akhipha umphetho. Kodwa-ke, izinto ze-VCSEL ezisetshenziswa esikalini sezimboni zifaneleka kuphela ubude obufushane bamaza. Amamojula asuselwe kuma-VCSEL ngokuvamile amamojula abonakalayo e-multimode, asebenza kubude obubodwa noma ngaphezulu. Ucwaningo luyaqhubeka nokusetshenziswa kwe-VCSEL yemodi embalwa noma yemodi eyodwa, futhi imboni yenza ucwaningo mayelana nezindlela, isivinini, izinto zokwakha, nokuthembeka okuhlobene ne-1060nm wavelength.

Ngokungeziwe kumaza wamaza amafushane, isikhungo sedatha kanye nokuxhumana kwe-AI kuhlanganisa ne-1310nm yokukhanya okumpunga okuhambisana nokudluliswa kwemodi eyodwa kanye ne-CWDM4 (noma i-FR4) yokuphindaphindeka kwamaza amane.

Izinhlelo zokusebenza ze-5G zisebenzisa ubude begagasi be-CWDM6. Ngokungeziwe ekusebenziseni kabusha amaza amaza amane e-CWDM4, futhi yengeza i-1351nm ne-1371nm.

Amaza amaza e-LWDM nawo ayatholakala kumanethiwekhi ekhempasi ye-DCI kanye namanethiwekhi endawo yedolobha elikhulu.

I-DCI yebanga elide kanye ne-trunk transmission ivamise ukukhetha amabhendi e-C, C+, kanye ne-C+L ukuze kuphindwe kuhlukaniswe i-wavelength ewugqinsi ukuze kwandiswe umthamo wokudlulisela.

Amanethiwekhi okufinyelela e-PON ngokuvamile asebenzisa amaza amaza amabili, amane, noma ayisithupha ukuze asebenzisane phakathi kwezizukulwane kanye nokucushwa kwe-BiDi single-fiber wavelength. Kalula nje, i-PON fiber-to-the-home kufanele isebenzise ifayibha eyodwa kuphela ekhaya ukuze kube lula ukusebenza nokunciphisa izindleko.

• Unyaka ususunguliwe
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