los ntawm Admin / 26 Oct 23 /0Cov lus pom VLAN Isolation Function ntawm Ethernet Hloov Ua ntej nkag siab txog VLAN kev rho tawm muaj nuj nqi ntawm kev hloov, peb ua ntej nkag siab txog Ethernet hloov: Ethernet hloov yog hloov raws li Ethernet cov ntaub ntawv xa mus. Txhua qhov chaw nres nkoj ntawm Ethernet hloov tuaj yeem txuas nrog tus tswv tsev, feem ntau ua haujlwm hauv hom puv duplex, ... Nyeem ntxiv los ntawm Admin / 26 Oct 23 /0Cov lus pom Transfeceiver LFP thiab FEF Function Optical fiber transceiver yog ib qho yooj yim thiab siv tau zoo photoelectric hloov dua siab tshiab ntaus ntawv uas plays lub luag hauj lwm tseem ceeb nyob rau hauv multi-protocol photoelectric hybrid LAN. Tam sim no, nyob rau hauv thiaj li tau pom zoo dua thiab tshem tawm cov kev sib txuas ua txhaum, ib co kev hloov kho kho kho software muaj kev sib txuas dhau (... Nyeem ntxiv los ntawm Admin / 20 Oct 23 /0Cov lus pom VLAN "Virtual LAN Lub VLAN (Virtual Local Area Network) muaj npe hauv Suav. Lub VLAN faib lub cev LAN rau ntau qhov laj thawj LAN, thiab txhua VLAN yog qhov tshaj tawm. Cov tswv hauv VLAN tuaj yeem sib txuas lus nrog cov lus los ntawm hom kev sib txuas lus Ethernet, tab sis ntawm cov tswv hauv ... Nyeem ntxiv los ntawm Admin / 20 Oct 23 /0Cov lus pom Calibration ntawm Optical Power Mete Rau kev sib txuas lus kho qhov muag, kuaj lub zog kho qhov muag yog ib kauj ruam tseem ceeb hauv kev tsim kho qhov muag qhov chaw. Qib ntawm optical zog cuam tshuam rau kev ua tau zoo ntawm cov khoom tau txais. Lub teeb qis dhau lawm yuav ua rau lub cuab yeej tsis tuaj yeem txheeb xyuas, thiab lub teeb siab dhau ... Nyeem ntxiv los ntawm Admin / 11 Oct 23 /0Cov lus pom Kev Tsav Tsheb ntawm VoIP Vim muaj ntau yam kev txhim kho thiab kev ua haujlwm thev naus laus zis hauv cov khoom siv sib xws, software, cov txheej txheem thiab cov qauv, kev siv VoIP dav yuav dhau los ua qhov tseeb. Technological kev nce qib thiab kev loj hlob nyob rau hauv cov cheeb tsam no tau pab tsim kom muaj ntau ... Nyeem ntxiv los ntawm Admin / 11 Oct 23 /0Cov lus pom Cov txheej txheem tsim nyog Txhawm rau siv cov ntawv xov xwm multimedia ntawm kev sib txuas lus uas twb muaj lawm, International Telecommunication Union (ITU-T) tau tsim H.32x multimedia kev sib txuas lus raws tu qauv. Cov hauv qab no yog cov lus piav qhia luv luv ntawm cov qauv tseem ceeb H.320, lub ... Nyeem ntxiv << < Ua ntej6789101112Tom ntej no>>> Nplooj 9 / 76