Iindaba
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Isebenza njani i-router?
I-router ngumaleko wesi-3 isixhobo sothungelwano.I-hub isebenza kumaleko wokuqala ( umaleko womzimba) kwaye akukho buchule bokucubungula obukrelekrele.Xa izibuko elinye ligqithiselwa kwi hub, lithumela langoku kwamanye amazibuko, kwaye ayikhathali nokuba iikhompyuter ziqhagamshelwe kwezinye...Funda ngokugqithisileyo -
Zahlulahlulwe njani ii-transceivers optical ngokweentlobo zetekhnoloji kunye neentlobo zojongano?
Ii-transceivers ze-Optical zingahlulwa zibe ziindidi ze-3 ngokweteknoloji: PDH, SPDH, SDH, HD-CVI.I-PDH i-transceiver optical: I-PDH (i-Plesiochronous Digital Hierarchy, i-quasi-synchronous digital series) i-transceiver ebonakalayo yinto encinci ye-optical transceiver, esetyenziswa ngokubanzi ngababini, ...Funda ngokugqithisileyo -
Ithetha ntoni i-transceiver optical 2M, kwaye yintoni ubudlelwane phakathi kwe-transceiver optical E1 kunye ne-2M?
I-transceiver ye-Optical sisixhobo esiguqula imiqondiso emininzi ye-E1 ibe yimiqondiso yokubona.I-Optical transceiver ikwabizwa ngokuba yi-optical transmission equipment.Ii-transceivers ze-Optical zinamaxabiso ahlukeneyo ngokwenani le-E1 (oko kukuthi, i-2M) izibuko ezithunyelwayo.Ngokubanzi, eyona tran incinci ye-optical...Funda ngokugqithisileyo -
Uhlalutyo lweentlobo zokutshintsha ifayibha
Ukufikelela kwiLayer Switch Ngokuqhelekileyo, inxalenye yenethiwekhi eqhagamshelwe ngokuthe ngqo kubasebenzisi okanye ifikelele kwinethiwekhi ibizwa ngokuba ngumaleko wokufikelela, kwaye inxalenye phakathi kwendawo yokufikelela kunye ne-core layer ibizwa ngokuba yi-distribution layer okanye i-convergence layer.Iiswitshi zokufikelela zidla ngokusetyenziswa ukwenza...Funda ngokugqithisileyo -
Yintoni i-Cat5e/Cat6/Cat7 Cable?
Yintoni umahluko phakathi kweCa5e, iCat6, kunye neCat7?Udidi lwesihlanu (CAT5): I-frequency transmission yi-100MHz, esetyenziselwa ukuhanjiswa kwelizwi kunye nokuhanjiswa kwedatha kunye nesantya esiphezulu sokudluliselwa kwe-100Mbps, esetyenziswa kakhulu kwi-100BASE-T kunye ne-10BASE-T inethiwekhi.Le yeyona Ethernet isetyenziswa kakhulu ...Funda ngokugqithisileyo -
Yintoni imodyuli ye-1*9 yokukhanya?
Imveliso yemodyuli ye-1 * 9 epakishweyo yaveliswa okokuqala ngo-1999. Yimveliso yemodyuli esisigxina.Ngokuqhelekileyo iphiliswa ngokuthe ngqo (i-soldered) kwibhodi yesekethe yesixhobo sonxibelelwano kwaye isetyenziswe njengemodyuli esisigxina ye-optical module.Ngamanye amaxesha ikwabizwa ngokuba yi-9-pin okanye i-9PIN yemodyuli yokubona..A...Funda ngokugqithisileyo -
Uthini umahluko phakathi koMaleko 2 kunye noMaleko wesi-3 wokutshintsha?
1. Amanqanaba ahlukeneyo okusebenza: I-Layer 2 itshintshile isebenza kwi-data link layer, kwaye i-Layer 3 itshintshile isebenza kwi-network layer.Ukutshintsha kwe-Layer 3 akuphumeleli kuphela ukuhanjiswa kwepakethi yedatha ephezulu ngokukhawuleza, kodwa kwakhona kufezekise ukusebenza kwenethiwekhi ngokufanelekileyo ngokweemeko ezahlukeneyo zenethiwekhi.2. Iprinta...Funda ngokugqithisileyo -
Uzisebenzisa njani ii-fiber optic transceivers?
Umsebenzi we-fiber optic transceivers kukuguqula phakathi kweempawu ze-optical kunye neempawu zombane.Isignali ye-optical igalelo kwi-port optical, kwaye isibonakaliso sombane siphuma kwi-port yombane, kwaye ngokufanayo.Inkqubo ihamba ngolu hlobo lulandelayo: guqula isignali yombane ...Funda ngokugqithisileyo -
IiSwitshi zeRingi eziLawulwayo zisebenza njani?
Ngophuhliso lweshishini lonxibelelwano kunye nolwazi loqoqosho lwesizwe, imarike yokutshintsha uthungelwano lweringi elawulwayo ikhule ngokuthe ngcembe.Iyabiza, ibhetyebhetye kakhulu, ilula kwaye kulula ukuyiphumeza.Itekhnoloji ye-Ethernet ibe yinethiwekhi ebalulekileyo ye-LAN ...Funda ngokugqithisileyo -
Ukuphuhliswa kwe-transceiver optical yefowuni
Ii-transceivers zelizwe lethu zomnxeba ziphuhliswe ngokukhawuleza ngophuhliso lweshishini lokubeka iliso.Ukusuka kwi-analog ukuya kwidijithali, kwaye emva koko ukusuka kwidijithali ukuya kwi-high-definition, bahlala beqhubela phambili.Emva kweminyaka yokuqokelelwa kobugcisa, baye bakhula bakhula kakhulu...Funda ngokugqithisileyo -
Yintoni i-IEEE 802.3&Subnet Mask?
Yintoni i-IEEE 802.3?I-IEEE 802.3 liqela elisebenzayo elabhala i-Institute of Electrical and Electronics Engineers (IEEE) isethi esemgangathweni, echaza ulawulo lokufikelela okuphakathi (MAC) kuzo zombini iileyibhile eziphathekayo kunye nedatha ye-Ethernet yocingo.Oku kudla ngokuba bubuchwephesha bendawo yothungelwano lwengingqi (LAN) nge...Funda ngokugqithisileyo -
Yintoni umahluko phakathi kokutshintsha kunye nesiguquli sefayibha?
I-Optical fiber transceiver sisixhobo esingabizi kakhulu kwaye sibhetyebhetye.Ukusetyenziswa okuqhelekileyo kukuguqula imiqondiso yombane kwizibini ezijijekileyo zibe yimiqondiso ye-optical.Ngokuqhelekileyo isetyenziswa kwiintambo zobhedu ze-Ethernet ezingenako ukugqunywa kwaye kufuneka zisebenzise iifiber zamehlo ukwandisa umgama wothumelo.Kwi...Funda ngokugqithisileyo
