Ma'auni masu alaƙa da masana'antar sadarwa ta gani sun fito ne daga ƙungiyoyi irin su IEEE, ITU, da MSA Industry Alliance.Akwai ma'auni da yawa don ƙirar 100G.Abokan ciniki za su iya zaɓar nau'in samfuri mafi inganci bisa ga yanayin aikace-aikacen daban-daban.Don aikace-aikacen ɗan gajeren nisa tsakanin 300m, multimode fiber da VCSEL lasers ana amfani da su, kuma don watsawa na 500m-40km, fiber-mode fiber, DFB ko EML lasers yawanci ana amfani da su.
Idan aka kwatanta da 2.5G, 10G ko 40G tsarin watsa raƙuman raƙuman raƙuman raƙuman ruwa, watsawar gani na 100G yana amfani da masu karɓa na dijital don taswirar duk kaddarorin siginar gani zuwa yankin lantarki ta hanyar bambancin lokaci da bambance-bambancen polarization, kuma yana amfani da balagagge fasahar sarrafa siginar dijital a cikin yankin lantarki. .Yankin yana aiwatar da demultiplexing na polarization, ramuwa na lahani ta tashar, dawo da lokaci, ƙimar lokacin jigilar kaya, ƙididdige alamar alama da yanke hukunci na layi.Yayin fahimtar watsawar gani na 100G, jerin manyan sauye-sauyen fasaha sun faru a cikin na'urori masu gani na 100G, gami da fasahar daidaita yanayin lokaci mai yawa na polarization, fasahar liyafar maraba na dijital, fasahar gyara kuskuren manyan kuskuren ƙarni na uku, da sauransu, don haka gamsar da bukatun masu amfani. da lokaci.Bukatun ci gaba.
Babban fakitin kayan aikin gani na 100G sun haɗa da CXP, CFP, CFP2, CFP4, CFP8, da QSFP28.Tare da ci gaba a cikin 'yan shekarun nan, jigilar kayayyaki na samfuran CFP sun ragu sannu a hankali, kuma kunshin QSFP28 ya sami nasara gabaɗaya saboda ƙaramin girmansa da ƙarancin wutar lantarki, kuma galibin sabbin fakitin 200G da 400G masu tasowa kuma suna amfani da QSFP- DD fakiti.A halin yanzu, yawancin kamfanonin ƙirar gani suna da samfuran jerin samfuran 100G a cikin kunshin QSFP28 akan kasuwa.
1.1 100G QSFP28 na gani na gani
Tsarin gani na QSFP28 yana da ra'ayin ƙira iri ɗaya da na'urar gani ta QSFP.Don QSFP28, kowane tasha zai iya aikawa da karɓar bayanai har zuwa 28Gbps.Idan aka kwatanta da na'urorin gani na CFP4, na'urorin gani na QSFP28 sun fi ƙanƙanta girma fiye da na'urorin gani na CFP4.Tsarin gani na QSFP28 yana da fa'ida mai yawa akan na'urar gani ta CFP4, kuma yawan wutar lantarki yayin aiki yawanci baya wuce 3.5W, yayin da yawan ƙarfin sauran na'urori masu gani yana yawanci tsakanin 6W da 24W.Daga wannan ra'ayi, amfani da wutar lantarki ya fi ƙasa da sauran na'urori masu gani na 100G.
1.2 100G CXP na gani na gani
Adadin watsawar na'urar gani na CXP ya kai 12*10Gbps, kuma yana goyan bayan toshe zafi."C" yana wakiltar 12 a cikin hexadecimal, kuma lambar Romawa "X" tana wakiltar cewa kowane tashar yana da adadin watsawa na 10Gbps."P" yana nufin abin toshewa wanda ke goyan bayan toshe zafi.Modul na gani na CXP an yi niyya ne ga kasuwar kwamfuta mai sauri, kuma ita ce kari na tsarin gani na CFP a cibiyar bayanan Ethernet.A fasaha, ana amfani da na'urorin gani na CFP tare da filaye masu gani na multimode don watsa bayanai na ɗan gajeren lokaci.Saboda kasuwar fiber multimode na buƙatar manyan bangarori masu yawa, girman ba a inganta da gaske ba don kasuwar fiber multimode.
Na'urar gani ta CXP tana da tsayin 45mm da faɗin 27mm, kuma ya fi ƙanƙanta fiye da na'urar gani ta XFP da CFP, don haka yana iya samar da babbar hanyar sadarwa mai yawa.Bugu da ƙari, CXP Optical module shine tsarin haɗin haɗin jan ƙarfe wanda Ƙungiyar Kasuwancin Watsa Labaru ta Wireless Broadband ta ƙayyade, wanda zai iya tallafawa 12 10GbE don 10GbE, 3 10G hanyar haɗin yanar gizo don tashoshin 40GbE ko 12 10G Ethernet Fiber Channel ko mara waya ta 12 * QDR hanyar haɗin yanar gizo na watsawa. sigina.
1.3 100G CFP/CFP2/CFP4 na gani na gani
Yarjejeniyar CFP Multi-Source (MSA) ta bayyana buƙatun cewa za a iya amfani da na'urorin gani masu zafi masu zafi zuwa watsawar hanyar sadarwa ta 40G da 100G, gami da Ethernet mai saurin sauri na gaba (40GbE da 100GbE).Tsarin gani na CFP yana goyan bayan watsawa akan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan, ka'idoji da tsayin haɗin gwiwa, gami da duk abubuwan da suka dogara da kafofin watsa labaru (PMD) waɗanda aka haɗa cikin ma'aunin IEEE 802.3ba, kuma cibiyar sadarwar 100G ta ƙunshi PMDs uku: 100GBASE. -SR10 na iya watsa 100m, 100GBASE-LR4 na iya watsa 10KM, kuma 100GBASE-ER4 na iya watsa 40KM.
CFP na gani na gani an ƙirƙira shi ne bisa ƙaƙƙarfan ƙayyadaddun kayan masarufi (SFP), amma ya fi girma kuma yana goyan bayan watsa bayanai na 100Gbps.Ƙwararren wutar lantarki da CFP ke amfani da shi yana amfani da tashoshi 10 * 10Gbps don watsawa a kowane shugabanci (RX, TX), don haka yana goyan bayan jujjuyawar 10 * 10Gbps da 4 * 25Gbps.Tsarin gani na CFP na iya tallafawa siginar 100G guda ɗaya, OTU4, siginar 40G, OTU3 ko STM-256/OC-768.
Kodayake CFP na gani na gani na iya gane aikace-aikacen bayanan 100G, saboda girman girmansa, ba zai iya biyan bukatun cibiyoyin bayanai masu yawa ba.A wannan yanayin, kwamitin CFP-MSA ya ayyana wasu nau'i biyu: CFP2 da CFP4 na gani na gani.
Lokacin aikawa: Afrilu-14-2023