Xov Xwm Kev Lag Luam
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Txheej txheem cej luam thiab kev ua haujlwm ntawm cov khoom siv kho qhov muag
Txheej txheem cej luam ntawm Optical Switch: fiber optic switch yog lub cuab yeej xa xov hluav taws xob ceev ceev. Piv nrog cov keyboards ib txwm muaj, nws siv cov xov hlau fiber optic ua cov khoom xa xov. Qhov zoo ntawm kev xa xov fiber ntau yog qhov ceev ceev thiab muaj peev xwm tiv thaiv kev cuam tshuam. Fiber Channel...Nyeem ntxiv -
Rau qhov tsis zoo ntawm cov fiber optic transceivers
Fiber optic transceiver yog ib qho chaw hloov pauv xov xwm Ethernet uas pauv cov teeb liab hluav taws xob luv luv thiab cov teeb liab optical ntev. Nws tseem hu ua photoelectric converter (Fiber Converter) hauv ntau qhov chaw. 1. Lub teeb Link tsis ci (1) C...Nyeem ntxiv -
Qhov txawv ntawm lub switch thiab lub router
(1) Los ntawm qhov tsos, peb paub qhov txawv ntawm ob lub Switches feem ntau muaj ntau lub qhov (ports) thiab zoo li cumbersome. Lub router lub qhov (ports) me dua thiab lub ntim me dua. Qhov tseeb, daim duab ntawm sab xis tsis yog lub router tiag tiag tab sis koom ua ke lub luag haujlwm ntawm lub router. Ntxiv rau qhov fu...Nyeem ntxiv -
Cov khoom siv ONU twg zoo dua rau lub kaw lus saib xyuas?
Niaj hnub no, hauv cov nroog zej zog, cov koob yees duab saib xyuas feem ntau tau teeb tsa rau txhua lub ces kaum. Peb yuav pom ntau yam koob yees duab saib xyuas hauv ntau lub tsev nyob, chaw ua haujlwm, khw loj, tsev so thiab lwm qhov chaw kom tiv thaiv kev tshwm sim ntawm kev ua txhaum cai. Nrog rau kev txhim kho tas mus li ...Nyeem ntxiv -
Lub cuab yeej ONU yog dab tsi?
ONU (Optical Network Unit) optical network unit, ONU yog muab faib ua active optical network unit thiab passive optical network unit. Feem ntau, cov khoom siv nruab nrog kev saib xyuas network suav nrog optical receivers, upstream optical transmitters, thiab ntau lub choj amplifiers hu ua optical node...Nyeem ntxiv -
OTN nyob rau hauv lub caij nyoog ntawm tag nrho-optical network 2.0
Txoj kev siv lub teeb los xa cov ntaub ntawv tuaj yeem hais tias muaj keeb kwm ntev. Lub "Beacon Tower" niaj hnub no tau tso cai rau tib neeg kom paub txog kev yooj yim ntawm kev xa cov ntaub ntawv los ntawm lub teeb. Txawm li cas los xij, txoj kev sib txuas lus optical qub no yog qhov rov qab, txwv ...Nyeem ntxiv -
Yuav ua li cas kom paub qhov txawv ntawm cov switches thiab routers sai sai
Lub router yog dab tsi? Cov routers feem ntau yog siv rau hauv cov tes hauj lwm hauv zos thiab cov tes hauj lwm dav dav. Nws tuaj yeem txuas ntau lub tes hauj lwm lossis cov ntu network kom "txhais" cov ntaub ntawv ntawm cov tes hauj lwm sib txawv lossis cov ntu network, yog li lawv tuaj yeem "nyeem" cov ntaub ntawv ntawm ib leeg mus rau ...Nyeem ntxiv -
Cov khoom siv ONU tseem ceeb uas siv los ntawm cov neeg siv khoom fiber-optic broadband yog dab tsi?
1. Cov khoom siv ONU siv los ntawm tus neeg siv khoom yog raws li nram no: 1) Hais txog tus lej ntawm LAN chaw nres nkoj, muaj ib qho chaw nres nkoj, 4-chaw nres nkoj, 8-chaw nres nkoj thiab ntau qhov chaw nres nkoj ONU. Txhua qhov chaw nres nkoj LAN tuaj yeem muab hom bridging thiab hom routing feem. 2) Raws li seb nws puas muaj WIFI ua haujlwm lossis tsis yog, nws tuaj yeem ...Nyeem ntxiv -
Qhov txawv ntawm ONU ib txwm thiab ONU uas txhawb nqa POE yog dab tsi?
Cov neeg ruaj ntseg uas tau ua haujlwm hauv PON networks yeej paub ONU, uas yog lub cuab yeej nkag mus rau hauv PON network, uas yog sib npaug rau qhov hloov nkag mus rau hauv peb lub network ib txwm muaj. Lub PON network yog lub network optical passive. Vim li cas nws thiaj li hais tias yog passive yog tias cov fiber optical ...Nyeem ntxiv -
Yuav ua li cas kom paub qhov txawv ntawm kev nkag mus rau hauv lub network optical OLT, ONU, ODN, ONT?
Lub network nkag mus rau qhov muag pom yog lub network nkag mus uas siv lub teeb ua qhov nruab nrab xa xov, es tsis txhob siv cov xov tooj liab, thiab siv los nkag mus rau txhua lub tsev neeg. Lub network nkag mus rau qhov muag pom. Lub network nkag mus rau qhov muag feem ntau muaj peb ntu: lub davhlau ya nyob twg kab optical OLT, lub network optical unit ONU, optica...Nyeem ntxiv -
Nws hloov tawm tias daim ntawv thov ntawm cov khoom siv fiber ntau optical yog qhov dav heev
Hauv kev paub ntawm ntau tus neeg, lub optical module yog dab tsi? Ib txhia neeg teb tias: nws tsis yog tsim los ntawm cov khoom siv optoelectronic, lub PCB board thiab lub tsev, tab sis nws ua dab tsi ntxiv? Qhov tseeb, kom meej meej, lub optical module yog tsim los ntawm peb ntu: cov khoom siv optoelectronic (TOSA, ROSA, BOSA), ...Nyeem ntxiv -
Hom fiber amplifiers
Thaum qhov kev sib kis ntev dhau (ntau tshaj 100 km), lub teeb liab kho qhov muag yuav muaj kev poob loj heev. Yav dhau los, tib neeg feem ntau siv cov khoom siv kho qhov muag los ua kom lub teeb liab kho qhov muag loj dua. Hom khoom siv no muaj qee qhov kev txwv hauv kev siv. Hloov los ntawm cov khoom siv fiber ntau kho qhov muag ...Nyeem ntxiv