SFP
Ana iya fahimtar SFP azaman ingantaccen sigar GBIC. Ƙarfinsa shine kawai 1/2 na na GBIC module, wanda ke ƙara yawan tashar tashar jiragen ruwa na na'urorin cibiyar sadarwa. Bugu da ƙari, ƙimar canja wurin bayanai na SFP ya bambanta daga 100Mbps zuwa 4Gbps.
SFP+
SFP + shine ingantaccen sigar SFP wanda ke goyan bayan tashar fiber 8Gbit/s, 10G Ethernet da OTU2, ma'auni na hanyar sadarwa na gani. Bugu da ƙari, SFP + igiyoyi kai tsaye (watau SFP + DAC igiyoyi masu saurin sauri da kuma AOC masu aiki na gani) na iya haɗa tashoshin SFP + guda biyu ba tare da ƙara ƙarin kayan aiki da igiyoyi ba (cibiyoyin sadarwa ko fiber jumpers), wanda shine kyakkyawan zaɓi don haɗin kai tsaye tsakanin. biyu makusantan hanyar sadarwa na gajeriyar nisa.
Saukewa: SFP28
SFP28 ingantaccen sigar SFP + ne, wanda ke da girman girman SFP+ amma yana iya tallafawa saurin tashoshi ɗaya na 25Gb/s. SFP28 yana ba da ingantaccen bayani don haɓaka hanyoyin sadarwa na 10G-25G-100G don biyan buƙatun ci gaban cibiyoyin cibiyoyin bayanai na gaba.
QSFP+
QSFP+ sigar QSFP ce da aka sabunta. Ba kamar QSFP+ ba, wanda ke goyan bayan tashoshi 4 gbit/s akan ƙimar 1Gbit/s, QSFP+ yana goyan bayan tashoshi 4 x 10Gbit/s akan ƙimar 40Gbps. Idan aka kwatanta da SFP+, yawan watsawa na QSFP+ ya ninka na SFP+ sau huɗu. Ana iya amfani da QSFP+ kai tsaye lokacin da aka tura hanyar sadarwa ta 40G, ta haka ne ke adana farashi da ƙara yawan tashar tashar jiragen ruwa.
QSFP28
QSFP28 yana ba da tashoshi na sigina daban-daban masu sauri guda huɗu. Yawan watsawa na kowane tashoshi ya bambanta daga 25Gbps zuwa 40Gbps, wanda zai iya biyan bukatun 100 gbit/s Ethernet (4 x 25Gbps) da aikace-aikacen EDR InfiniBand. Akwai nau'ikan samfuran QSFP28 da yawa, kuma ana amfani da nau'ikan watsawa daban-daban na 100 Gbit/s, kamar haɗin kai tsaye 100 Gbit/s, juyawa 100 Gbit/s zuwa hanyoyin haɗin reshe na 25 Gbit/s huɗu, ko jujjuya 100 Gbit/s zuwa biyu 50 Gbit/s reshe links.
Bambance-bambance da kamance na SFP, SFP+, SFP28, QSFP+, QSFP28
Bayan fahimtar abin da SFP, SFP +, SFP28, QSFP +, QSFP28 suke, za a gabatar da takamaiman kamance da bambance-bambance tsakanin su biyun gaba.
An shawararDillalan Fakitin hanyar sadarwadon tallafawa 100G, 40G da 25G, don ziyartanan
An shawararTaɓa hanyar sadarwadon Tallafa 10G, 1G da Kewaye na hankali, don ziyartanan
SFP da SFP+: Girma iri ɗaya, ƙima daban-daban da dacewa
Girma da bayyanar SFP da SFP + kayayyaki iri ɗaya ne, don haka masana'antun na'ura za su iya ɗaukar ƙirar jiki na SFP akan masu sauyawa tare da tashoshin SFP +. Saboda girman guda ɗaya, abokan ciniki da yawa suna amfani da samfuran SFP akan tashoshin SFP+ na masu sauyawa. Wannan aikin yana yiwuwa, amma ana rage ƙimar zuwa 1Gbit/s. Bugu da kari, kar a yi amfani da tsarin SFP+ a cikin ramin SFP. In ba haka ba, tashar jiragen ruwa ko tsarin na iya lalacewa. Baya ga dacewa, SFP da SFP+ suna da ƙimar watsa daban-daban da ma'auni. SFP+ na iya watsa matsakaicin 4Gbit/s da iyakar 10Gbit/s. SFP ya dogara ne akan ka'idar SFF-8472 yayin da SFP + ya dogara ne akan ka'idojin SFF-8431 da SFF-8432.
SFP28 da SFP+: Za a iya haɗa na'urar gani ta SFP28 zuwa tashar SFP+
Kamar yadda aka ambata a sama, SFP28 ingantaccen sigar SFP+ ne tare da girman iri ɗaya amma ƙimar watsa daban-daban. Yawan watsa SFP+ shine 10Gbit/s kuma na SFP28 shine 25Gbit/s. Idan an saka na'urar gani ta SFP+ a cikin tashar jiragen ruwa na SFP28, adadin watsa hanyar haɗin kai shine 10Gbit/s, kuma akasin haka. Bugu da kari, kebul na jan karfe da aka haɗa kai tsaye SFP28 yana da mafi girman bandwidth da ƙarancin hasara fiye da SFP + kebul na jan karfe da aka haɗa kai tsaye.
SFP28 da QSFP28: ƙa'idodin yarjejeniya sun bambanta
Kodayake duka SFP28 da QSFP28 suna ɗauke da lambar "28", duka girmansu sun bambanta da ƙa'idar yarjejeniya. SFP28 yana goyan bayan tashoshi ɗaya na 25Gbit/s, kuma QSFP28 yana goyan bayan tashoshi 25Gbit/s guda huɗu. Ana iya amfani da su duka akan cibiyoyin sadarwar 100G, amma ta hanyoyi daban-daban. QSFP28 na iya samun nasarar watsa 100G ta hanyoyi uku da aka ambata a sama, amma SFP28 ya dogara da QSFP28 zuwa SFP28 manyan igiyoyi masu sauri. Hoto mai zuwa yana nuna haɗin kai tsaye na 100G QSFP28 zuwa 4 × SFP28 DAC.
QSFP da QSFP28: Matsaloli daban-daban, aikace-aikace daban-daban
Na'urorin gani na QSFP+ da QSFP28 girmansu ɗaya ne kuma suna da haɗin kai guda huɗu da karɓar tashoshi. Bugu da ƙari, duka QSFP + da QSFP28 iyalai suna da na'urorin gani da kuma DAC/AOC igiyoyi masu sauri, amma a farashi daban-daban. Tsarin QSFP + yana goyan bayan ƙimar tashoshi ɗaya na 40Gbit/s, kuma QSFP+ DAC/AOC yana goyan bayan ƙimar watsawa ta 4 x 10Gbit/s. Tsarin QSFP28 yana canja wurin bayanai akan ƙimar 100Gbit/s. QSFP28 DAC/AOC yana goyan bayan 4 x 25Gbit/s ko 2 x 50Gbit/s. Lura cewa ba za a iya amfani da tsarin QSFP28 don hanyoyin haɗin reshe na 10G ba. Koyaya, idan sauyawa tare da tashar jiragen ruwa na QSFP28 yana goyan bayan ƙirar QSFP+, zaku iya saka kayan QSFP+ cikin tashoshin QSFP28 don aiwatar da hanyoyin haɗin reshe na 4 x 10G.
Plz ziyaraModule Transceiver na ganidon ƙarin sani da cikakkun bayanai.
Lokacin aikawa: Agusta-30-2022
