Ntau tus neeg siv tau txais txiaj ntsig los ntawm qhov teeb meem sib xyaw ntawm SFPs thiab SFPs +. Piv txwv li, SFPs puas tuaj yeem + cov chaw nres nkoj pab txhawb cov qauv kho qhov muag ntawm SFPs? Qhov chaw nres nkoj SFP puas tuaj yeem txhawb nqa SFP + optical module? Lub chaw nres nkoj GBP ntawm txoj kev hloov Gigabit puas tuaj yeem txuas nrog GBP + chaw nres nkoj ntawm 10 Gigabit hloov chaw? Kab lus no yuav nthuav qhia kev sib raug zoo ntawm SFPs thiab SFP + ports.
Dab tsi yog SFPs ntawm txoj kev hloov chaw Gigabit?
Nrog cov kev hloov pauv tsis tu ncua ntawm Ethernet hloov' s tus nqi sib kis, nws cov chaw nres nkoj tseem hloov, xws li SFP chaw nres nkoj, SFP + chaw nres nkoj, SFP28 chaw nres nkoj, QSFP + chaw nres nkoj, QSFP28 chaw nres nkoj thiab li ntawd rau. Lub chaw nres nkoj SFP yog ib qho kev sib koom ua ke thiab kub pluggable network interface. Rau Ethernet, qhov kis tau tus mob yog 1GBIT / s, rau cov kab ke channel system, qhov kis tau tus mob tuaj yeem ncav cuag 4GBIT / s. Thaum cov kho qhov muag hluav taws xob ntawm SFP tau muab tso rau hauv SFP chaw nres nkoj ntawm Gigabit hloov nrog optical fiber jumper lossis tooj liab cable, qhov kis tau ntawm qhov sib txawv tuaj yeem pom tau.
SFP + chaw nres nkoj ntawm 10 Gigabit hloov yog dab tsi?
Tus tes hloov 10 Gigabit tuaj yeem muab faib ua 10 Gigabit optical hloov thiab 10 Gigabit hloov tooj liab raws li ntau hom chaw nres nkoj. Lub 10 Gigabit optical hloov yog 10 Gigabit hloov nrog SFP + chaw nres nkoj. Qhov tsos thiab loj ntawm SFP + chaw nres nkoj yog tib yam li qhov tau hais los saum toj ntawm SFP chaw nres nkoj. Qhov loj tshaj qhov sib txawv nruab nrab ntawm ob qho yog tias SFP + chaw nres nkoj tuaj yeem txhawb qhov kis tau tus mob mus txog 10 Gbps. Feem ntau hais lus, 10 tus lej hloov cov chaw Gigabit tau nruab nrog qhov feem pua siab dua chaw nres nkoj, xws li QSFP + chaw nres nkoj thiab QSFP28 chaw nres nkoj, kom yooj yim rau kev txuas ntawm lwm cov nqi hluav taws xob ntau dua nyob hauv topology.
Feem ntau, qhov ntsuas hluav taws xob tau siv tau rau ntawm SFP + chaw nres nkoj
Tau 1G SFP optical module tau txuas rau 10G SFP + chaw nres nkoj? Feem ntau, nws muaj peev xwm, tab sis yog tias koj ntxig rau qhov kho qhov muag ntawm lub chaw nres nkoj SFP +, qhov kis tus nqi ntawm qhov txuas yuav raug txo mus rau 1GB, thiab qee qhov hloov pauv yuav kaw tus nqi ntawm qhov chaw nres nkoj ntawm 1G, thiab qhov chaw nres nkoj tus nqi yuav tsis rov qab kom txog thaum koj rov pib dua lub teeb hloov mus rau lossis ua kom tiav ntawm qhov kev txiav txim teeb tsa. Ntxiv rau, SFP + chaw nres nkoj feem ntau tsis tuaj yeem txhawb tus nqi qis dua 1GB. Ntawd yog hais, qhov kho qhov muag ntawm 100base SFP tsis tuaj yeem siv rau SFP + chaw nres nkoj. Qhov tseeb, qhov teeb meem no feem ntau nyob ntawm tus tes hloov pauv nws tus kheej, vim tias qee tus keyboards tuaj yeem txhawb nws, tab sis qee qhov tsis tuaj yeem. Tam sim no, 10G Optical module thiab 1G optical module tuaj yeem tso rau hauv 10 Gigabit hloov tau muab los ntawm ntau tus neeg muag khoom (tab sis lawv tuaj yeem' t siv tau tib lub sijhawm). Qee qhov 10 Gigabit keyboards muab los ntawm qee tus neeg muag khoom tsuas yog txhawb 10G Yog li, yog tias koj xav ntsaws qhov kho qhov muag coj mus rau hauv SFP + qhov chaw nres nkoj ntawm 10 Gigabit hloov chaw, koj' d zoo dua tham nrog tus neeg xa khoom ua ntej siv nws kom ntseeg tau tias SFP + chaw nres nkoj ntawm 10 Gigabit hloov tuaj yeem txhawb nqa tus nqi ob npaug.
Tsis muaj ib qho xwm txheej twg li tuaj yeem siv tau qhov kho qhov muag tau ntawm SFP + siv rau ntawm SFP chaw nres nkoj
Tau 10G SFP + optical module siv tau rau ntawm 1G SFP chaw nres nkoj? Cov lus teb yuav tsum yog" tsis muaj" ;. Raws li peb txhua tus paub, qhov ceev nrawm ntawm cov khoos phis tawj kho qhov muag tau teeb tsa ntawm lub pob nyem txiav txim siab qhov ceev ntawm qhov chaw nres nkoj txuas. Tam sim no, feem ntau ntawm 10 Gigabit hloov' s SFPs + cov chaw nres nkoj tau rov qab tau tshaj thiab txhawb nqa 1G SFPs. Txawm li cas los xij, kev nkag mus tom ntej ntawm SFPs ntawm lub teeb hloov Gigabit tsis tuaj yeem ua tiav, uas yog, 10G SFPs + optical modules tsis tuaj yeem txhawb nqa.
Lub chaw nres nkoj GBP ntawm txoj kev hloov Gigabit puas tuaj yeem txuas nrog GBP + chaw nres nkoj ntawm 10 Gigabit hloov chaw?
Nws tuaj yeem pom los ntawm cov txheej txheem saum toj no uas feem ntau, qhov ntsuas hluav taws xob thiab cov kho qhov muag tau tsim ntawm SFP tuaj yeem txhawb nqa ntawm SFPs + cov chaw nres nkoj, thaum kho qhov muag ntawm SFP tsuas yog txhawb nqa ntawm SFPs, tab sis kho tsis tau tus qauv ntawm SFPs tsis tuaj yeem txhawb nqa ntawm SFPs + ports. Yog li no, kev sib txuas ntawm ob hnub xaus feem ntau yog muab faib rau cov xwm txheej hauv qab no ob:
1. Thaum lub 10 Gigabit hloov' s SF + chaw nres nkoj siv SF + optical module thiab Gigabit hloov' s SF chaw nres nkoj siv SF P optical module, kev sib txuas ntawm lub 10 Gigabit hloov' s SF P + chaw nres nkoj thiab Gigabit hloov' s SF P chaw nres nkoj tsis tuaj yeem pom. Vim tias kev siv tshuab kev sib tham tsis txaus siab nyob rau hauv cov khoos phis tawm kho qhov muag (kev sib tham tsis siv neeg yog siv hluav taws xob mem tes tsis yog optical pulse, uas tsuas yog tuaj yeem pom ntawm kev sib tw ntawm tus khub, tsis yog ntawm optical fiber), thiab qhov nrawm tsis tuaj yeem hloov kho mus rau 1G, qhov no txoj kev sib txuas txoj kev siv tsis raug.
2. Thaum lub 10 Gigabit hloov' s SF + chaw nres nkoj siv SF P optical module, thiab Gigabit hloov' s SF P chaw nres nkoj siv SF P optical module, lub 10 Gigabit hloov' s SF P + chaw nres nkoj tuaj yeem txuas nrog Gigabit hloov' s SF P chaw nres nkoj. Lub sijhawm no, cov kab txuas tuaj yeem ua haujlwm nquag, thiab cov kab sib txuas yog 1G.
Hauv ib lo lus, feem ntau ntawm SFPs + cov chaw nres nkoj tuaj yeem pab txhawb SFPs cov kho qhov muag, tab sis SFPs tsis tuaj yeem txhawb SFPs + optical modules. Thaum 1G optical module tau tso rau hauv SFP + chaw nres nkoj ntawm 10 Gigabit hloov chaw, qhov ceev ntawm 10G SFP + chaw nres nkoj yuav raug txo mus rau 1G, uas yog hais, SFP {{8 }} chaw nres nkoj ntawm 10 qhov chaw nres tsheb Gigabit tuaj yeem txuas rau SFP chaw nres nkoj ntawm Gigabit hloov, tab sis qhov kis tau ceev ntawm qhov txuas yog 1G. Yog li no, txhawm rau xyuas kom muaj kev ua haujlwm zoo li qub ntawm lub network, cov khoos phis tawm kho qhov muag siv ntawm ob hnub kawg yuav tsum sib raug zoo.
HTF' s cov khoom lag luam zoo tau lees tias, thiab cov khoom siv siv tau yog txawv txawv.
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