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Cov PoE switches yuav pab tau li cas rau kev tsim kho vaj tse hauv nroog ntse?
Nrog rau kev loj hlob sai ntawm kev loj hlob hauv nroog thoob ntiaj teb, lub tswv yim ntawm cov nroog ntse maj mam dhau los ua qhov tseeb. Kev txhim kho cov neeg nyob hauv lub neej zoo, kev ua haujlwm hauv nroog zoo dua, thiab kev txhawb nqa kev txhim kho kom ruaj khov los ntawm kev siv thev naus laus zis tau dhau los ua ib qho kev hloov pauv. Lub network muaj zog thiab ua haujlwm tau zoo yog qhov kev txhawb nqa tseem ceeb rau cov hauv paus tseem ceeb ntawm lub nroog ntse, thiab Power over Ethernet (PoE) switches...Nyeem ntxiv -
Cov Lus Qhia Txog Kev Sib Txuas Lus POE
PoE (Power over Ethernet) thev naus laus zis tau dhau los ua ib feem tseem ceeb ntawm cov khoom siv network niaj hnub, thiab PoE switch interface tsis yog tsuas yog xa cov ntaub ntawv xwb, tab sis kuj tseem tuaj yeem xa cov khoom siv fais fab los ntawm tib lub network cable, ua kom yooj yim rau kev txuas hluav taws xob, txo cov nqi thiab txhim kho kev ua haujlwm ntawm network. Tsab xov xwm no yuav tshuaj xyuas cov hauv paus ntsiab lus ua haujlwm...Nyeem ntxiv -
Cov yam ntxwv ntawm Kev Hloov POE Muaj Peev Xwm
Lub Industrial POE Switch yog lub cuab yeej network tsim rau cov chaw ua haujlwm hauv kev lag luam, uas ua ke lub switch thiab POE fais fab mov ua haujlwm. Nws muaj cov yam ntxwv hauv qab no: 1. Rugged thiab ruaj khov: lub industrial-grade POE switch siv cov qauv tsim thiab cov ntaub ntawv industrial-grade, uas tuaj yeem hloov kho rau cov xwm txheej ib puag ncig hnyav, xws li kub siab, kub qis, av noo ...Nyeem ntxiv -
7 yam ua rau cov fiber optic cable tsis ua haujlwm
Yuav kom ntseeg tau tias cov yam ntxwv ntawm kev siv cov teeb liab kis tau deb thiab qis, cov kab hluav taws xob fiber optic yuav tsum ua tau raws li qee qhov xwm txheej ib puag ncig. Txhua qhov kev khoov me me lossis kev ua qias tuaj ntawm cov kab hluav taws xob optical tuaj yeem ua rau cov teeb liab optical tsis zoo thiab txawm tias cuam tshuam kev sib txuas lus. 1. Qhov ntev ntawm cov kab hluav taws xob fiber optic routing Vim yog cov yam ntxwv ntawm lub cev...Nyeem ntxiv -
Cov hom SDM air-division multiplexing fibers yog dab tsi?
Hauv kev tshawb fawb thiab kev txhim kho cov thev naus laus zis fiber ntau tshiab, SDM qhov chaw faib multiplexing tau nyiam ntau qhov kev saib xyuas. Muaj ob txoj hauv kev tseem ceeb rau kev siv SDM hauv cov fiber ntau: core division multiplexing (CDM), uas kev sib kis tau ua tiav los ntawm lub hauv paus ntawm ntau lub fiber ntau optical. Los yog Mode Division Multiplexing (MDM), uas xa mus los ntawm...Nyeem ntxiv -
PON tiv thaiv kev hloov pauv yog dab tsi?
Nrog rau kev nce ntxiv ntawm cov kev pabcuam uas Passive Optical Networks (PON) nqa, nws tau dhau los ua qhov tseem ceeb kom rov qab tau cov kev pabcuam sai sai tom qab cov kab tsis ua haujlwm. PON tiv thaiv kev hloov pauv thev naus laus zis, ua ib qho kev daws teeb meem tseem ceeb los xyuas kom meej tias kev lag luam txuas ntxiv mus, txhim kho kev ntseeg siab ntawm lub network los ntawm kev txo lub sijhawm cuam tshuam network kom tsawg dua 50ms los ntawm cov txheej txheem ntse redundancy. Lub ntsiab lus ntawm ...Nyeem ntxiv -
Txoj kev txwv Shannon rau kev xa xov hluav taws xob yog dab tsi?
Hauv kev nrhiav kom muaj peev xwm siab dua thiab qhov ntev dua ntawm kev sib txuas lus hauv cov tshuab sib txuas lus niaj hnub no, suab nrov, ua qhov kev txwv tseem ceeb ntawm lub cev, yeej ib txwm txwv tsis pub txhim kho kev ua tau zoo. Hauv lub tshuab EDFA erbium-doped fiber amplifier ib txwm muaj, txhua qhov kev sib kis optical tsim kwv yees li 0.1dB ntawm cov suab nrov spontaneous emission (ASE), uas...Nyeem ntxiv -
Kev Sib Txuas Lus Multicore Fiber (MCF)
Nrog rau kev loj hlob sai ntawm kev txawj ntse ntawm cov cuab yeej siv thev naus laus zis (AI), qhov kev thov rau kev ua cov ntaub ntawv thiab kev sib txuas lus tau mus txog qhov ntsuas tsis tau muaj dua. Tshwj xeeb tshaj yog nyob rau hauv cov teb xws li kev tshuaj xyuas cov ntaub ntawv loj, kev kawm tob, thiab kev suav huab, cov kab ke sib txuas lus muaj cov kev xav tau siab dua rau kev kub ceev thiab bandwidth siab. Ib txwm muaj ib hom fiber...Nyeem ntxiv -
Cov laj thawj tseem ceeb ntawm kev ua tsis tiav ntawm cov kab hluav taws xob fiber optic
Yuav kom ntseeg tau tias cov yam ntxwv ntawm kev siv cov teeb liab kis tau deb thiab qis, cov kab hluav taws xob fiber optic yuav tsum ua tau raws li qee qhov xwm txheej ib puag ncig. Txhua qhov kev khoov me me lossis kev ua qias tuaj ntawm cov kab hluav taws xob optical tuaj yeem ua rau cov teeb liab optical tsis zoo thiab txawm tias cuam tshuam kev sib txuas lus. 1. Qhov ntev ntawm cov kab hluav taws xob fiber optic routing Vim yog cov yam ntxwv ntawm lub cev...Nyeem ntxiv -
Kev tshuaj xyuas tob txog cov qauv ntawm cov xov hlau fiber optic (FOC)
Fiber Optic Cable (FOC) yog ib feem tseem ceeb ntawm kev sib txuas lus niaj hnub no, thiab nws nyob hauv txoj haujlwm tseem ceeb hauv kev xa cov ntaub ntawv nrog nws cov yam ntxwv ntawm kev kub ceev, bandwidth siab thiab muaj peev xwm tiv thaiv kev cuam tshuam. Tsab xov xwm no yuav qhia txog cov qauv ntawm fiber optic cable kom meej kom cov nyeem ntawv tuaj yeem nkag siab tob dua txog nws. 1. Cov khoom xyaw yooj yim ntawm...Nyeem ntxiv -
5G ua rau kev txhim kho network hauv tsev: lub sijhawm tshiab ntawm kev ceev, kev ruaj khov thiab kev txawj ntse
Lub Is Taws Nem tau dhau los ua lub hauv paus ntawm tsev neeg lub neej, txawm li cas los xij, cov tes hauj lwm hauv tsev ib txwm muaj tseem ntsib ntau yam teeb meem: bandwidth tsawg, kev sib txuas ntawm cov khoom siv tsis ruaj khov, kev nkag mus rau qhov chaw deb nyuaj, thiab kev paub txog tsev ntse tsis txaus, thiab lwm yam. Kev tshwm sim ntawm 5G tab tom hloov pauv qhov toj roob hauv pes ntawm lub network hauv tsev mus rau lub sijhawm ua haujlwm zoo dua, ntse dua, thiab ruaj khov dua. 5G tuaj yeem txhim kho li cas ...Nyeem ntxiv -
Koj paub ntau npaum li cas txog EPON thiab GPON?
Nyob rau lub caij nyoog no ntawm kev loj hlob sai ntawm internet, cov thev naus laus zis fiber optic tau nkag mus rau hauv txhua yam ntawm peb lub neej. Kev sib txuas network ruaj khov thiab ceev ceev yog qhov tseem ceeb txawm tias koj nyiam saib TV qhia, ua si hauv tsev, lossis ua ntau yam lag luam hauv lub tuam txhab. Ntawm ntau cov thev naus laus zis rau kev nkag mus rau fiber optic, EPON thiab GPON yog qhov tsis ntseeg ...Nyeem ntxiv
