Xov xwm
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Lub router ua haujlwm li cas?
Ib lub router yog txheej 3 network ntaus ntawv.Lub hub ua haujlwm ntawm thawj txheej (lub cev txheej) thiab tsis muaj peev xwm ua tau zoo.Thaum tam sim no ntawm ib qho chaw nres nkoj hla mus rau lub hub, nws tsuas yog xa cov tam sim no mus rau lwm qhov chaw nres nkoj, thiab tsis quav ntsej seb cov khoos phis tawj txuas nrog othe ...Nyeem ntxiv -
Yuav ua li cas optical transceivers muab faib raws li technology hom thiab interface hom?
Optical transceivers tuaj yeem muab faib ua 3 pawg raws li thev naus laus zis: PDH, SPDH, SDH, HD-CVI.PDH optical transceiver: PDH (Plesiochronous Digital Hierarchy, quasi-synchronous digital series) optical transceiver yog lub peev xwm me me optical transceiver, uas feem ntau siv ua khub, ...Nyeem ntxiv -
Optical transceiver 2M txhais li cas, thiab kev sib raug zoo ntawm optical transceiver E1 thiab 2M yog dab tsi?
Optical transceiver yog ib qho khoom siv uas hloov ntau yam E1 teeb liab rau hauv cov teeb liab optical.Optical transceiver tseem hu ua optical kis khoom siv.Optical transceivers muaj tus nqi sib txawv raws li tus naj npawb ntawm E1 (uas yog, 2M) cov chaw nres nkoj xa mus.Feem ntau, qhov tsawg tshaj plaws optical tran ...Nyeem ntxiv -
Kev tsom xam ntawm fiber ntau hloov hom
Access Layer Switch Feem ntau, ib feem ntawm lub network uas txuas ncaj qha rau cov neeg siv lossis nkag mus rau lub network yog hu ua txheej txheej nkag, thiab ib feem ntawm txheej txheej nkag thiab txheej txheej tseem ceeb yog hu ua txheej txheej txheej lossis txheej txheej txheej.Access switches feem ntau yog siv los di...Nyeem ntxiv -
Cat5e / Cat6 / Cat7 Cable yog dab tsi?
Dab tsi yog qhov txawv ntawm Ca5e, Cat6, thiab Cat7?Qeb Tsib (CAT5): Cov zaus kis tau tus mob yog 100MHz, siv rau lub suab kis tau tus mob thiab cov ntaub ntawv kis tau tus mob nrog lub siab tshaj plaws kis tau tus mob ntawm 100Mbps, feem ntau yog siv nyob rau hauv 100BASE-T thiab 10BASE-T tes hauj lwm.Qhov no yog qhov feem ntau siv Ethernet c ...Nyeem ntxiv -
1 * 9 optical module yog dab tsi?
Lub 1 * 9 ntim khoom kho qhov muag module yog thawj zaug tsim nyob rau hauv 1999. Nws yog ib qho khoom siv kho qhov muag kho qhov muag.Nws yog feem ntau ncaj qha kho (soldered) ntawm lub rooj tsav xwm Circuit Court ntawm cov khoom siv sib txuas lus thiab siv los ua ib qho kho qhov muag module.Qee zaum nws tseem hu ua 9-pin lossis 9PIN optical module..A...Nyeem ntxiv -
Qhov txawv ntawm Txheej 2 thiab Txheej 3 yog dab tsi?
1. Cov qib ua haujlwm sib txawv: Txheej 2 hloov pauv ua haujlwm ntawm cov ntaub ntawv txuas txheej, thiab Txheej 3 hloov pauv ua haujlwm ntawm txheej txheej network.Txheej 3 hloov tsis tau tsuas yog ua tiav high-speed forwarding ntawm cov ntaub ntawv packets, tab sis kuj ua tau zoo network kev ua tau zoo raws li kev sib txawv network.2. Cov...Nyeem ntxiv -
Yuav siv fiber ntau optic transceivers li cas?
Kev ua haujlwm ntawm fiber ntau optic transceivers yog hloov pauv ntawm cov teeb liab kho qhov muag thiab cov teeb liab hluav taws xob.Cov teeb liab kho qhov muag yog cov tswv yim los ntawm qhov chaw nres nkoj kho qhov muag, thiab cov teeb liab hluav taws xob yog qhov tso tawm los ntawm qhov chaw nres nkoj hluav taws xob, thiab lwm yam.Cov txheej txheem yog kwv yees li hauv qab no: hloov cov teeb liab hluav taws xob ...Nyeem ntxiv -
Tswj Ring Switches ua haujlwm li cas?
Nrog rau txoj kev loj hlob ntawm kev lag luam kev sib txuas lus thiab cov ntaub ntawv qhia txog kev lag luam hauv lub tebchaws, kev tswj hwm lub nplhaib hloov pauv kev lag luam tau loj hlob tsis tu ncua.Nws yog tus nqi-zoo, hloov tau yooj yim, kuj yooj yim thiab siv tau yooj yim.Ethernet thev naus laus zis tau dhau los ua qhov tseem ceeb LAN network te ...Nyeem ntxiv -
Kev loj hlob ntawm xov tooj optical transceiver
Peb lub teb chaws xov tooj optical transceivers tau tsim sai heev nrog kev txhim kho ntawm kev soj ntsuam kev lag luam.Los ntawm analog mus rau digital, thiab tom qab ntawd los ntawm digital mus rau cov ntsiab lus siab, lawv tau nce mus tas li.Tom qab xyoo ntawm kev sib sau ua ke, lawv tau tsim kom muaj kev paub tab heev ...Nyeem ntxiv -
IEEE 802.3 & Subnet Mask yog dab tsi?
IEEE 802.3 yog dab tsi?IEEE 802.3 yog ib pab pawg ua haujlwm uas tau sau lub koom haum ntawm Hluav Taws Xob thiab Hluav Taws Xob Hluav Taws Xob (IEEE) tus qauv txheej txheem, uas txhais tau hais tias kev nkag mus tau nruab nrab (MAC) ntawm ob lub cev thiab cov ntaub ntawv txuas cov khaubncaws sab nraud povtseg ntawm wired Ethernet.Qhov no feem ntau yog ib cheeb tsam hauv cheeb tsam network (LAN) technology wi ...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm qhov hloov pauv thiab fiber ntau converter?
Optical fiber transceiver yog ib qho khoom siv zoo heev thiab hloov tau yooj yim.Kev siv ntau yog los hloov cov teeb liab hluav taws xob hauv cov sib tw twisted rau hauv cov teeb liab optical.Nws feem ntau yog siv nyob rau hauv Ethernet tooj liab cables uas tsis tuaj yeem npog thiab yuav tsum siv cov fibers kho qhov muag kom ntev dua qhov kev sib kis.Hauv ...Nyeem ntxiv
