Gudun na'urar gani ta SFP+ ita ce: 10G SFP+ transceiver na gani shine haɓaka SFP (wani lokaci ana kiransa "mini-GBIC").An yi amfani da SFP sosai akan Gigabit Ethernet da 1G, 2G, da 4G Fiber Channel.Domin daidaitawa zuwa mafi girman ƙimar bayanai, SFP+ ya ƙera ingantaccen garkuwar lantarki da halayen kiyaye sigina fiye da SFP, kuma ya ƙirƙira sabbin ƙayyadaddun ƙayyadaddun mu'amalar wutar lantarki.
Fihirisar mu'amala ta SFP Optical module
1. Fitar da wutar lantarki Ƙarfin gani na gani yana nufin fitowar wutar lantarki na tushen haske a ƙarshen aika na'urar gani, naúrar: dBm.
2. Karɓi ikon gani Karɓar ikon gani yana nufin ikon gani da aka karɓa a ƙarshen karɓar na'urar gani, naúrar: dBm.
3. Karɓi hankali Karɓi hankali yana nufin mafi ƙarancin ƙarfin gani da aka karɓa na na'urar gani a wani ƙayyadadden ƙima da ƙimar kuskure, a cikin dBm.A karkashin yanayi na al'ada, mafi girman ƙimar, mafi muni da karɓar hankali, wato, mafi girma mafi girma da aka samu ikon gani, mafi girma da bukatun na'urar karba na na'urar gani.
4. Cikakken ikon gani, wanda kuma aka sani da jikewar gani, yana nufin matsakaicin ikon shigar da gani lokacin da wani ɗan kuskuren bit (10-10).～10-12) ana kiyaye shi a wani ƙimar watsawa.
Ya kamata a lura cewa photodetector zai saturate da photocurrent karkashin karfi haske.Lokacin da wannan al'amari ya faru, mai ganowa yana buƙatar ɗan lokaci don murmurewa.A wannan lokacin, hankalin mai karɓa yana raguwa kuma ana iya kuskuren siginar da aka karɓa.Yana haifar da kurakurai kaɗan, kuma yana da sauƙin lalata mai gano mai karɓa.A cikin amfani, yakamata yayi ƙoƙarin hana ƙetare cikakken ƙarfin gani.
Yi la'akari da cewa na'urorin gani na nesa mai nisa, tun da matsakaicin ƙarfin fitarwa gabaɗaya ya fi cikakken ƙarfin gani na gani, da fatan za a kula da tsayin fiber lokacin amfani da shi don tabbatar da cewa ƙarfin gani da aka karɓa ya kai ga na'urar gani. kasa da cikakken karfin gani.Na'urar gani da ido ta lalace.
Abubuwan da ke cikin kayan aikin gani na SFP
Abun da ke cikin na'urar gani ta SFP shine: Laser: gami da mai watsawa TOSA da mai karɓar ROSA kewayen hukumar IC, da na'urorin haɗi na waje sune: harsashi, tushe, PCBA, jan zobe, zare, guntun buɗewa, filogi na roba.Bugu da kari, don sauƙin ganewa, Gabaɗaya, nau'in siga na ƙirar ana gano shi ta launi na zoben ja.Misali: zoben ja na baki yana da nau'i-nau'i da yawa, tsayin raƙuman ruwa shine 850nm;blue shine module tare da tsawon 1310nm;rawaya ita ce module tare da tsawon 1550nm;purple ne module tare da zangon 1490nm.
SFP, SFF da GBIC dangantakar module na gani
SFP shine takaitaccen nau'i na Small Form-factor Pluggables, wato, ƙaramin fakitin gani na gani.Ana iya ɗaukar SFP azaman sigar SFF mai toshewa.Ƙwararren wutar lantarkinsa shine yatsa zinare 20-pin.Siginar siginar bayanai daidai yake da tsarin SFF.Har ila yau, tsarin SFP yana ba da hanyar sarrafa I2C, mai dacewa da SFP-8472 daidaitaccen bincike na gani na gani.Dukansu SFF da SFP ba su haɗa da ɓangaren SerDes ba, kuma suna ba da keɓancewar bayanan serial kawai.Ana sanya CDR da diyya na rarraba wutar lantarki a waje da tsarin, yana sa ƙaramin girma da ƙarancin wutar lantarki mai yiwuwa.Saboda iyakancewar zubar da zafi, SFF/SFP za a iya amfani da shi kawai don gajeriyar nisa, gajeriyar nisa da aikace-aikacen nisa na matsakaici a 2.5Gbps da ƙasa.
Na'urorin gani na SFP yanzu suna da matsakaicin saurin 10G, kuma galibi suna amfani da mu'amalar LC.Ana iya fahimtarsa kawai azaman ingantaccen sigar GBIC.An rage girman na'urorin gani na SFP da rabi idan aka kwatanta da na'urorin gani na GBIC, kuma fiye da ninki biyu yawan adadin tashoshin jiragen ruwa za a iya saita su akan wannan panel.Dangane da wasu ayyuka, tushen tsarin SFP iri ɗaya ne da GBIC.Saboda haka, wasu masana'antun canzawa suna kiran SFP Optical modules miniaturized GBIC.