5G era tau dhau los ntsiag to, txoj kev loj hlob sai ntawm kev siv thev naus laus zis, tom qab ntawd los ntawm 25G khoom siv nce ntxiv. Piv nrog rau kev coj ua zoo li 10G interface, 25G qib thev naus laus zis tuaj yeem muab ntau txoj kab band. Ua cov tuam txhab tseem ceeb ntawm 25G thev naus laus zis, 25G optical module tau dhau los ntawm ntau cov qauv, uas tuaj yeem npog cov kis sib txawv nyob deb.
Hom thiab daim ntawv thov ntawm 25G SFP28 optical module
25G SFP28 cov pa kho qhov muag tau siv
Raws li kev kis tau mus deb, 25G SFP28 optical module tau muab faib ua SR optical module, LR optical module thiab ER optical module. 25G SFP28 SR optical module feem ntau nruab nrog OM4 ntau hom kev sib tw rau kev xa mus rau lub sijhawm luv, thiab qhov sib kis tau tsis ntev tshaj 100 meters; 25G SFP28 LR thiab 25G SFP28 ER optical modules feem ntau nruab nrog OS2 ib hom-jumper rau kev sib kis ntev, qhov theoretical ntau kis deb ntawm SFP28 LR optical module yog 10 kis lus mev, thiab qhov siab tshaj plaws kis nrug ntawm SFP28 ER optical module yog 40 mais. 25G SFP28 pa hluav taws xob optical module yog siv rau kev sib txuas ntawm cov servers, keyboards thiab routers hauv data center.
25G bidi SFP28 ib qho fiber ntau bidirectional optical module
25G bidi SFP28 ib qho fiber ntau bidirectional optical module siv WDM (wavelength division multiplexing) thev naus laus zis los xa thiab tau txais qhov sib txawv nruab nrab ntawm ob lub yoj yob hauv ob qho kev qhia, yog li kom paub tseeb txhawb txoj kev sib kis ntawm cov khoom siv hluav taws xob hauv ib qho fiber ntau. Feem ntau, kho qhov muag module muaj ob qhov chaw nres nkoj: TX xa chaw nres nkoj thiab Rx tau txais qhov chaw nres nkoj, thaum lub bidi optical module tsuas muaj ib lub chaw nres nkoj. Nws tuaj yeem sib kis thiab tau txais cov teeb liab kho qhov muag los ntawm lub lim hauv qhov txheej txheem kho qhov muag. Yog li no, cov ntawv twv yuav tsum raug siv hauv khub. Tam sim no, muaj 1270nm / 1330nm thiab 1330nm / 1270nm wavelength kev sib txuas los xaiv los ntawm. Bidi optical module muaj qhov zoo ntawm kev txuag 50% ntawm cov khoom siv fiber ntau, muaj kev sib luag sib luag ntawm uplink thiab downlink, thiab ua haujlwm zoo ua kom raug lub siab lub sijhawm ntsuas. Nws qhov kis tau tus mob sib txawv yog 10km, 15km thiab 20km.
25G WDM SFP28 xim lub teeb ci
25G WDM SFP28 lub teeb tsa hluav taws xob muaj suav nrog 25G CWDM SFP28 optical module, 25G DWDM SFP28 optical module thiab 25G LWDM SFP28 optical module.
25G CWDM SFP28 optical module yog tib-hom duplex CWDM module, uas ua haujlwm nyob rau hauv qhov ntev ntawm 1271 ~ 1331nm. Nws tuaj yeem siv rau cov ntaub ntawv luv kis nyob rau hauv 25G Ethernet hloov pauv, routers, network interface phaib (NIC) thiab khaws cov khoom siv hauv network, thiab tuaj yeem daws cov teeb meem ntawm 5G millimeter yoj xa mus rau theem tam sim no. Tam sim no, 25G DWDM SFP28 optical module ntawm lub lag luam tuaj yeem xa 10km los ntawm ib hom kho qhov muag fiber ntau. Nws tuaj yeem tsis tsuas nce bandwidth tab sis kuj paub txog kev sib kis ntev. Piv nrog ob txheej dhau los 25G xim teeb lub teeb, 25G LWDM SFP28 optical module txais yuav kev ua haujlwm siab thiab qis tus nqi DML laser, thiab siv LAN-WDM optical wavelength los ua cov tshuaj zoo rau 5G rau pem hauv ntej kis, uas tuaj yeem ntsib ntau yam daim ntawv thov daim ntawv thov. Cov khoom muaj peev xwm paub txog qhov ua kom tsis muaj qhov ntev thiab sib faib thiab sib npaug thiab txo cov kev noj haus ntawm cov khoom siv fiber ntau. Nws tuaj yeem xa 30km yam tsis muaj kev cuam tshuam pem hauv ntej kev txhim kho kev ua haujlwm thiab 40km nrog rau pem hauv ntej kev txhim kho kev ua yuam kev.
Hom | Kev sib kis tau deb thiab xov xwm | Thov | |
25G SFP28 Tus Txheej Txheem Kho qhov muag tau kho | 25G SR | 100m, OM4 multimode patchcord | 25GBASE-SR Ethernet |
25G LR | 10km, ib hom patchcord | Cov chaw khaws ntaub ntawv nruab nrab qaum; siab ceev cov neeg rau zaub mov | |
25G ER | 40km, ib hom patchcord | Kev kub ceev cia network; CPRI 10 | |
25G BiDi SFP28 optical module | 25G BiDi | 10km, ib hom patchcord | 25GE LR; eCPRI& CPRI |
25G WDM SFP28 Xim lub teeb xim | 25G CWDM | 10km, ib hom patchcord | 25G GE LR; eCPRI, CPRI; lub siab ceev server; kev ua tau zoo siab hauv pawg computer |
25G DWDM | 10km, ib qho modepatchcord | 25G Ethernet Cov Ntaub Ntawv Hauv Tes Haujlwm; CPRI / ecpri 5G xaib rau pem hauv ntej | |
25G LWDM | 40km, ib qho modepatchcord | 25GBASE-ER Ethernet Cov Ntaub Ntawv Hauv Tes Haujlwm; CPRI / ecpri 5G xaib rau pem hauv ntej |
Tam sim no, qhov kev sib kis tau deb ntawm lub kho qhov muag ntawm hom SFP-25G-ER yog qhov loj tshaj plaws, uas yog 40km hauv kev tshawb xav. Txawv cov npe ntawm 25G SFP28 optical module tuaj yeem sib tham tau ntev npaum li lawv tau ua raws li cov qauv kev lag luam. SFP28 chaw nres nkoj tuaj yeem cuam tshuam nrog QSFP28 chaw nres nkoj. Kho 100G QSFP28 chaw nres nkoj ntawm lub cuab yeej mus rau 4 * 25G hom (yog tias txhawb nqa), tom qab ntawd ntxig 100G module mus rau hauv chaw nres nkoj, thiab txuas SFP28 optical module hauv SFP28 chaw nres nkoj los ntawm peb lub hlis twg.
HTF' s cov khoom lag luam zoo tau lees tias, thiab cov khoom siv siv tau yog txawv txawv.
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