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Kev tshuaj xyuas qhov zoo ntawm WiMAX hauv kev nkag mus rau IPTV
Txij li thaum IPTV nkag mus rau hauv kev ua lag luam hauv xyoo 1999, qhov kev loj hlob tau maj mam nce ntxiv. Nws xav tias cov neeg siv IPTV thoob ntiaj teb yuav ncav cuag ntau dua 26 lab tus neeg los ntawm xyoo 2008, thiab qhov kev loj hlob txhua xyoo ntawm cov neeg siv IPTV hauv Suav teb txij li xyoo 2003 txog 2008 yuav ncav cuag 245%. Raws li kev soj ntsuam, qhov kawg mais ntawm kev nkag mus rau IPTV feem ntau siv hauv DSL cable nkag hom, los ntawm kev txwv ...Nyeem ntxiv -
DCI Cov Qauv Tsim Kho thiab Kev Lag Luam
Tsis ntev los no, tsav los ntawm kev txhim kho ntawm AI thev naus laus zis hauv North America, qhov kev thov rau kev sib txuas ntawm cov nodes ntawm lub network lej tau loj hlob ntau heev, thiab cov thev naus laus zis DCI sib txuas thiab cov khoom lag luam cuam tshuam tau nyiam kev saib xyuas hauv kev ua lag luam, tshwj xeeb tshaj yog hauv kev ua lag luam peev. DCI (Data Center Interconnect, lossis DCI luv luv), lossis Data Center In...Nyeem ntxiv -
Cov plaub hau sib txuas thiab cov txheej txheem ntawm kev sib txuas ntawm cov plaub hau thiab cov txheej txheem ntawm kev sib txuas lus optical?
Raws li peb paub, txij li xyoo 1990, WDM WDM thev naus laus zis tau siv rau kev sib txuas fiber-optic ntev ntawm ntau pua lossis txawm tias ntau txhiab mais. Rau feem ntau thaj chaw ntawm lub tebchaws, cov khoom siv fiber yog nws cov khoom kim tshaj plaws, thaum tus nqi ntawm cov khoom transceiver qis heev. Txawm li cas los xij, nrog rau kev tawg ntawm cov ntaub ntawv hauv cov tes hauj lwm xws li 5G, WDM thev naus laus zis tau dhau los ua qhov tseem ceeb ntxiv ...Nyeem ntxiv -
Cov kev cai tshwj xeeb rau Profinet cables yog dab tsi?
Profinet yog ib qho kev sib txuas lus hauv kev lag luam raws li Ethernet, siv dav hauv cov txheej txheem tswj kev ua haujlwm, Profinet cable tshwj xeeb cov kev cai feem ntau yog tsom mus rau cov yam ntxwv ntawm lub cev, kev ua haujlwm hluav taws xob, kev hloov pauv ib puag ncig thiab cov kev cai teeb tsa. Tsab xov xwm no yuav tsom mus rau Profinet cable rau kev tshuaj xyuas kom ntxaws. I. Cov yam ntxwv ntawm lub cev 1, hom cable Shielded Twisted...Nyeem ntxiv -
Kev Tshawb Fawb Txog Ib Hom Fiber Optic Cable (SMF)
Ib Hom Fiber (SMF) cable yog ib qho tseem ceeb hauv kev sib txuas lus fiber optic, nyob hauv ib qho chaw tsis tuaj yeem hloov pauv hauv kev sib txuas lus ntev thiab kev xa cov ntaub ntawv ceev nrog nws cov kev ua tau zoo heev. Tsab xov xwm no yuav qhia txog cov qauv, cov lus qhia txog kev siv, cov xwm txheej ntawm daim ntawv thov thiab qhov xwm txheej ntawm kev ua lag luam ntawm Ib Hom Fiber Cable kom meej. Cov qauv ntawm ib hom fiber optic cable...Nyeem ntxiv -
Yuav ua li cas kom paub txog daim ntawv thov tsim ntawm fiber optic pyrometer?
Kev ntsuas kub ntawm fiber optic yog muab faib ua peb hom, kev ntsuas kub ntawm fluorescent fiber, kev ntsuas kub ntawm fiber faib tawm, thiab kev ntsuas kub ntawm fiber grating. 1, kev ntsuas kub ntawm fluorescent fiber Tus tswj xyuas ntawm lub tshuab ntsuas kub ntawm fluorescent fiber optic yog ntsia rau hauv lub txee saib xyuas ...Nyeem ntxiv -
AON vs PON Networks: Cov Kev Xaiv rau Fiber-to-the-Home FTTH Systems
Fiber rau Lub Tsev (FTTH) yog ib lub kaw lus uas teeb tsa fiber optics los ntawm ib qho chaw hauv nruab nrab ncaj qha mus rau hauv cov tsev ib leeg xws li tsev thiab chav tsev. Kev xa tawm FTTH tau dhau los ntev ua ntej cov neeg siv tau siv fiber optics hloov tooj liab rau kev nkag mus rau hauv Is Taws Nem broadband. Muaj ob txoj hauv kev yooj yim rau kev xa tawm lub network FTTH ceev ceev: active optical networks (AON) thiab passive optical networks (PO...Nyeem ntxiv -
LAN switches vs. SAN switches, qhov txawv yog dab tsi?
LAN thiab SAN sawv cev rau Local Area Network thiab Storage Area Network, raws li, thiab ob qho tib si yog cov kab ke networking tseem ceeb uas siv dav niaj hnub no. LAN yog cov khoom siv computer thiab cov khoom siv hluav taws xob uas sib koom ua ke txuas lus wired lossis wireless rau cov servers nyob hauv thaj chaw sib txawv. SAN hauv lub network, ntawm qhov tod tes, muab kev sib txuas ceev ceev thiab tsim los...Nyeem ntxiv -
Kev Nkag Siab Txog POE Switches: Ua Kom Koj Lub Network Muaj Zog Zoo
Hauv lub ntiaj teb digital niaj hnub no uas muaj kev hloov pauv sai sai, qhov xav tau kev daws teeb meem network zoo yeej tsis tau siab dua li no. Ib qho ntawm cov thev naus laus zis tshiab tshaj plaws uas tau tshwm sim los ua kom tau raws li qhov xav tau no yog Power over Ethernet (POE) switches. Lub cuab yeej tsis yog tsuas yog ua kom yooj yim rau kev teeb tsa network xwb tab sis kuj txhim kho kev ua haujlwm ntawm ntau yam khoom siv txuas nrog nws. Hauv cov blog no, peb yuav tshawb nrhiav seb POE switch yog dab tsi ...Nyeem ntxiv -
Nkag Siab Txog Cov Thawv Nkag Mus Rau Fiber Access: Lub Pob Txha ntawm Kev Sib Txuas Niaj Hnub
Hauv lub ntiaj teb digital niaj hnub no uas muaj kev sib txuas ceev ceev, kev sib txuas hauv internet txhim khu kev qha yog qhov tseem ceeb dua puas tau. Thaum peb vam khom internet ceev ceev rau kev ua haujlwm, kev kawm thiab kev lom zem, cov khoom siv uas txhawb nqa qhov kev sib txuas no dhau los ua qhov tseem ceeb. Ib qho ntawm cov phab ej tsis tau paub ntawm cov khoom siv no yog lub thawv fiber nkag mus rau hauv lub davhlau ya nyob twg. Hauv cov blog no, peb yuav tshawb nrhiav seb fiber...Nyeem ntxiv -
Cov Lus Qhia Tseem Ceeb rau Fiber Patch Panels: Yam Koj Yuav Tsum Paub
Hauv kev sib txuas lus thiab kev tswj cov ntaub ntawv uas loj hlob sai, cov vaj huam sib luag fiber optic yog lub hauv paus ntawm cov khoom siv niaj hnub no. Txawm hais tias koj yog tus kws tshaj lij IT lossis tus tswv lag luam uas tab tom nrhiav kev txhim kho koj lub network, nws yog qhov tseem ceeb kom nkag siab txog lub luag haujlwm thiab cov txiaj ntsig ntawm cov vaj huam sib luag fiber optic. Phau ntawv qhia no yuav coj koj mus rau txhua yam...Nyeem ntxiv -
Cov Nodes Optical: Lub Pob Txha ntawm Kev Sib Txuas Lus Hauv Is Taws Nem Ceev
Hauv lub ntiaj teb uas muaj kev sib txuas lus hauv internet ceev ceev, cov optical nodes ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj kev sib kis cov ntaub ntawv tsis muaj teeb meem. Cov nodes nodes no yog ib feem tseem ceeb ntawm cov tes hauj lwm fiber optic, hloov pauv txoj kev uas cov ntaub ntawv mus ncig thoob ntiaj teb. Txij li streaming HD video mus rau kev ua kev sib tham video nyob, lub teeb nodes yog cov phab ej tsis muaj npe uas ua rau txhua yam ua tau. Lub ...Nyeem ntxiv
