Modul SFP nwere ngwa anya, sekit na-arụ ọrụ na ngwa anya. Ngwa anya nwere akụkụ na-ebufe na ịnata.
Akụkụ na-ebufe bụ: ntinye nke ụfọdụ ọnụọgụ koodu nke akara eletriki, site na nhazi mgbawa ọkwọ ụgbọ ala, na-akwọ ụgbọ ala semiconductor laser (LD) nke ọkụ na-emitting diode (LED) iji zipu ihe nrịbama ngwa anya ngbanwe koodu kwekọrọ, ọkụ dị n'ime bụ. enyere ya na sekit njikwa ọkụ na-akpaghị aka. Ike mgbama ngwa anya na-arụpụta ihe ka kwụsiri ike.
Akụkụ na-anata bụ: modul ntinye mgbama ngwa anya nke ụfọdụ ọnụọgụ koodu ka agbanwere ka ọ bụrụ akara eletrik site na diode nchọpụta anya. Mgbe preamplifer gachara, mgbama mmepụta nke ọnụego bit kwekọrọ bụ ọkwa PECL. Mgbe ike ngwa anya ntinye erughị otu uru, a na-emepụta mgbaama mkpu.
Parameters na pụtara nke modul anya
Modul ngwa anya nwere parampat teknụzụ ọ bụla dị mkpa. Otú ọ dị, maka GBIC na SFP hot-plug SFP Modules, ị kwesịrị ịṅa ntị na paramita atọ ndị a.
Dabere na nanometer(nm), enwere ụdị isi atọ ugbu a.
850nm (MM, ọtụtụ ụdị, ọnụ ala dị ala mana anya nnyefe dị mkpụmkpụ, n'ozuzu naanị 500M).
1310nm (SM, Single Mode, obere nnyefe ọnwụ, nnukwu mgbasa, na-ejikarị maka nnyefe dị anya n'elu 40KM, ọ dịghị ọsọ agba anọ nwere ike ibunye 120KM ozugbo).
1550nm (SM, Single Mode, obere nnyefe ọnwụ, nnukwu mgbasa ozi, nke a na-ejikarị maka nnyefe dị anya karịa 40KM, ọ dịghị replay na-ebufe 120KM ozugbo).
Ọnụego nnyefe
Ọnụọgụ nke ibe n'ibe (BPS) nke data ekesara kwa nkeji.
Ugbu a. Enwere modul SFP anọ a na-ejikarị. 155Mbps, 1.25Gbps, 2.5Gbps, 10Gbps na ndị ọzọ. Ọnụego mbufe na-adakọkarị azụ azụ. Ya mere, a na-akpọkwa 155M SFP Module FE (100Mbit/s) SFP Module, na 1.25G SFP Module ka a na-akpọkwa GE (Gigabit) modul anya.
Nke a bụ SFP kachasị eji eme ihe na ngwa nnyefe anya. Na mgbakwunye, ọnụego nnyefe ya na sistemụ nchekwa fiber optic (SAN) bụ 2Gbps, 4Gbps, na 8Gbps.
Ogologo nnyefe
Ọ dịghị mkpa ka ebufe mgbaàmà anya n'ebe dị anya ebe enwere ike ibunye ya ozugbo. Na kilomita (a na-akpọkwa kilomita, KM). Nkọwa nke modul SFP bụ ndị a: Multi-Mode 550M, Single-Mode 15KM, 40KM,80KM, na 120KM, wdg.