Xov xwm
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Dab tsi yog qhov siab tshaj qhov sib kis ntawm POE fais fab mov hloov?
Yuav kom paub qhov siab tshaj qhov sib kis ntawm PoE, peb yuav tsum xub xyuas seb yam twg yog qhov tseem ceeb uas txiav txim siab qhov siab tshaj plaws.Qhov tseeb, siv tus qauv Ethernet cables (twisted khub) los xa DC lub zog tuaj yeem nqa mus ntev, uas ntau dua li qhov sib kis ...Nyeem ntxiv -
Dab tsi yog qhov optical module?
Optical module yog tsim los ntawm optoelectronic li, functional circuits thiab optical interfaces.Cov khoom siv optoelectronic suav nrog ob ntu: kis thiab txais.Cias muab tso, kev ua haujlwm ntawm qhov kho qhov muag module yog hloov cov teeb liab hluav taws xob rau hauv lub teeb pom kev ntawm qhov xa ...Nyeem ntxiv -
Cov tiam sis rau Tuam Tshoj lub network khoom lag luam
Cov thev naus laus zis tshiab thiab cov ntawv thov tshiab txuas ntxiv ua rau muaj kev loj hlob ntawm cov ntaub ntawv kev sib tw, uas yuav tsum tau tsav lub network khoom lag luam kom dhau qhov kev xav tau loj hlob.Nrog rau kev loj hlob ntawm cov ntaub ntawv thoob ntiaj teb, cov khoom siv hauv Is Taws Nem kuj nce nrawm.Nyob rau tib lub sijhawm, ...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm Ethernet hloov thiab lub router?
Txawm hais tias ob qho tib si siv rau kev hloov pauv network, muaj qhov sib txawv hauv kev ua haujlwm.Qhov txawv 1: Lub load thiab subnetting yog txawv.Tsuas muaj ib txoj hauv kev ntawm Ethernet keyboards, yog li cov ntaub ntawv tau tsom mus rau ib qho kev sib txuas lus thiab tsis tuaj yeem faib faib ua kom sib npaug ...Nyeem ntxiv -
Optical transceiver hom & interface hom
Optical transceiver yog cov khoom siv davhlau ya nyob twg rau cov teeb liab kis tau tus mob.1. Optical transceiver hom: Optical transceiver yog ib qho khoom siv uas hloov ntau yam E1 (cov ntaub ntawv kis tus qauv rau cov kab hauv lub cev, feem ntau ntawm tus nqi ntawm 2.048Mbps, tus qauv no yog siv hauv Suav teb thiab Europe) rau hauv opti ...Nyeem ntxiv -
Transmitter?Tus txais?Puas yog A / B kawg ntawm fiber ntau media converter txuas nrog casually?
Rau cov fiber ntau optical transceivers, lub luag haujlwm tseem ceeb ntawm transceiver yog txhawm rau txuas lub network sib kis deb, uas tuaj yeem txo qhov tsis xws luag uas lub network cable tsis tuaj yeem xa mus rau qhov ntev mus rau qee qhov, thiab ua kom yooj yim mus rau qhov kawg kis kab mob, tab sis rau cov WHO...Nyeem ntxiv -
Qhov twg fiber media converter kis tau thiab qhov twg tau txais?
Thaum peb kis tau mus ntev, peb feem ntau siv cov fibers optical xa mus.Vim hais tias qhov kev ncua deb ntawm optical fiber ntau yog ntev heev, feem ntau, qhov kev ncua deb ntawm ib hom fiber ntau yog ntau tshaj 20 kilometers, thiab kev sib kis deb ntawm ntau hom fiber ntau tuaj yeem ncav cuag t ...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm AOC thiab DAC?yuav xaiv li cas?
Feem ntau hais lus, active optical cable (AOC) thiab ncaj qha txuas cable (DAC) muaj qhov sib txawv hauv qab no: ① Kev siv hluav taws xob sib txawv: lub zog siv ntawm AOC siab dua li ntawm DAC;② Kev sib kis sib txawv: Hauv txoj kev xav, qhov kev sib kis ntev tshaj plaws ntawm AOC tuaj yeem ncav cuag 100M, ...Nyeem ntxiv -
Lub luag haujlwm ntawm fiber ntau media converter yog dab tsi?
Fiber media converter yog cov khoom tsim nyog rau kev sib txuas lus kho qhov muag.Nws lub luag haujlwm tseem ceeb yog Ethernet kis tau tus mob media hloov dua siab tshiab chav tsev uas sib pauv cov kab hluav taws xob luv luv twisted-pair hluav taws xob thiab cov teeb pom kev ntev-ntev.fiber ntau media converter khoom yog ...Nyeem ntxiv -
Thaum yuav qhov hloov pauv, qhov tsim nyog IP qib ntawm kev hloov pauv yog dab tsi?
Kev tiv thaiv qib ntawm kev lag luam hloov pauv yog tsim los ntawm IEC (International Electrotechnical Association).Nws yog sawv cev los ntawm IP, thiab IP yog hais txog "kev tiv thaiv ingress.Yog li, thaum peb yuav cov hloov khoom lag luam, qhov tsim nyog IP qib ntawm kev lag luam keyboards yog dab tsi?Classify cov khoom siv hluav taws xob ...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm POE hloov thiab hloov ib txwm?
1. Muaj kev ntseeg siab sib txawv: POE keyboards yog cov keyboards uas txhawb nqa lub zog rau cov cables.Piv nrog rau cov keyboards zoo tib yam, cov khoom siv hluav taws xob txais hluav taws xob (xws li APs, cov koob yees duab digital, thiab lwm yam) tsis tas yuav ua cov xaim hluav taws xob, thiab muaj kev ntseeg siab dua rau tag nrho lub network.2. Muaj nuj nqi sib txawv...Nyeem ntxiv -
Dab tsi yog qhov kev ceev faj rau kev lag luam hloov pauv hauv kev siv niaj hnub?
Dab tsi yog qhov kev ceev faj rau kev lag luam hloov pauv hauv kev siv niaj hnub?(1) Tsis txhob muab lub cuab yeej tso rau hauv qhov chaw ze rau dej lossis ntub dej;(2) Tsis txhob muab ib yam dab tsi rau ntawm lub hwj chim cable, kom nws tawm ntawm qhov ncav cuag;(3) Txhawm rau kom tsis txhob muaj hluav taws kub, tsis txhob knot lossis qhwv lub cable;(4) Lub hwj chim txuas thiab lwm yam khoom siv co...Nyeem ntxiv
