Iindaba
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Zeziphi iintlobo zojongano lwe-transceiver optical yefowuni?
Iindidi ezisetyenziswa ngokuqhelekileyo zojongano lwefowuni yee-transceivers optical phone zezi: i-loop relay interface (FXO), i-analog subscriber line interface (FXS), i-hotline phone interface (ifowuni esemthethweni), i-interface ye-magnetic phone.Iitransceiver zokukhanya zefowuni zisetyenziswa xa kubhanqa.Umnxeba kwi...Funda ngokugqithisileyo -
Intshayelelo kwindawo esebenzayo ye-8-port PoE Switch
I-8-port POE network switch "Ungaze utshise isixhobo" iswitsha ye-POE ehlakaniphile, i-algorithm yokuziva ephucukileyo inamandla kuphela izixhobo ze-terminal IEEE 802.3af, ngoko akukho mfuneko yakukhathazeka malunga nokonakalisa umgangatho wabucala we-PoE okanye izixhobo ezingezizo ze-PoE.Inkqubo yonikezelo lwamandla ekrelekrele, ukhuseleko lomthwalo ogqithisiweyo, bre...Funda ngokugqithisileyo -
8-port poe switch imveliso intshayelelo
Ukutshintshwa kwe-POE ye-port yesibhozo (i-JHA-P30208CBMH) inika amandla kunye nokuhanjiswa kwedatha usebenzisa i-Category 5 Ethernet cables ukusuka kwi-node yenethiwekhi.I-8 + 2 izibuko ze-Ethernet ezikhawulezayo zingasetyenziselwa uxhulumaniso lwe-10/100Mps, apho i-8 izibuko inokubonelela ngemigangatho yoshishino IEEE802.3af amandla.I-self-sensive advanced al...Funda ngokugqithisileyo -
Ukuvavanya njani ukuhambelana kweemodyuli ezibonakalayo ezihambelanayo?
Abantu abasoloko bethenga iimodyuli zamehlo bayazi ukuba iimodyuli zefiber optical ngokuqhelekileyo kufuneka ziqinisekise ikhowudi yokuhambelana, kuba ngoku kukho iindidi ezimbini kwimarike, enye yimodyuli ehambelanayo yokusebenza okuphezulu, kwaye enye yimodyuli ye-optical ye-original switch brand. .Ubhejo lomsantsa wamaxabiso...Funda ngokugqithisileyo -
Ukuqonda njani unikezelo lwamandla lwe-POE kwizitshixo eziqhelekileyo?
Iswitshi ye-PoE ibhekisa kutshintsho olunokubonelela ngobonelelo lwamandla enethiwekhi kwiitheminali ezisebenza kude ngentambo yenethiwekhi.Sisixhobo esiqhelekileyo sonikezelo lwamandla kwiinkqubo zobonelelo lwamandla e-PoE.Nangona kunjalo, ukuba iswitshi ayinawo umsebenzi we-POE, ingaba imodyuli yonikezelo lwamandla eyongezelelweyo ingadityaniswa...Funda ngokugqithisileyo -
Intshayelelo yokusetyenziswa kweemodyuli zamehlo
Imodyuli yokukhanya, ngakumbi ibhekisa kwimodyuli encinci epakishiweyo enokutshintshwa-shushu.Yimodyuli ye-optical enokutshintshwa ngokushushu ngexesha lokusebenza kwaye isetyenziswe kwi-port yesixhobo.Isetyenziselwa ikakhulu ukudibanisa isixhobo (ngokubanzi sibhekisa kwisixhobo sokutshintsha okanye isixhobo somzila).Umbane...Funda ngokugqithisileyo -
Yeyiphi engcono ukusebenzisa i-CWDM/DWDM Multiplexer?
I-CWDM/DWDM wavelength division multiplexing izixhobo ezisetyenziswayo Njengoko iimfuno zabantu kwi-bandwidth zinyuka nangaphezulu, izixhobo zeDense Wavelength Division Multiplexing (DWDM) zenze inkqubela enkulu ekunciphiseni iindleko, kwaye ngoko zithandwa ngakumbi kwiimarike.Nangona kunjalo, ...Funda ngokugqithisileyo -
Uthini umahluko phakathi kweCWDM/DWDM Multiplexer?
Kulwakhiwo lothungelwano lwendawo yemetropolitan (ingakumbi umgama omde wothungelwano lwe-OTN optical transmission networks), i-wavelength division multiplexing izixhobo zibaluleke kakhulu.Izixhobo ze-DWDM ezishinyeneyo zecandelo le-wavelength eziphindaphindayo zinomgama omde, amandla okuhanjiswa kwe-bandwidth ephezulu;...Funda ngokugqithisileyo -
Yintoni ebangela ukuba umqondiso we-RS485 uphazamiseke?
Umsebenzi oyintloko womguquli we-485 kukuguqula isibonakaliso esisodwa se-RS-232 sibe yi-RS-485 okanye i-RS-422 elinganayo.Ngenxa yokuhanjiswa kolwazi lomgama omde kunye nobuchule obunamandla bokuchasana nokuphazamiseka, abaguquli be-rs485 basetyenziswa ngokubanzi kunxibelelwano lokhuseleko kunye neminye imimandla....Funda ngokugqithisileyo -
Ziziphi izizathu zokungaphumeleli kwemodyuli ye-optical?
Imodyuli ye-optical isetyenziselwa ukuguqula isignali yombane kwisixhobo (ngokuqhelekileyo ibhekisela kwisixhobo sokutshintsha okanye i-router) kwisignali ye-optical, kwaye emva koko idlulisele nge-fiber optical (iphunyezwe ekupheleni kokudlulisa imodyuli ye-optical), kwaye ingafumana i-optica yangaphandle...Funda ngokugqithisileyo -
Uthini umahluko phakathi kwezibuko le-RJ45 kunye ne-SFP port yokutshintsha?
Njengoko sonke sisazi, ukutshintshwa kwe-Gigabit Ethernet ngokubanzi kuneentlobo ezimbini zezibuko: izibuko ze-RJ45 kunye ne-SFP.Zombini iintlobo zamazibuko zinokuthwala ukuhanjiswa kwe-Gigabit Ethernet, ke yintoni umahluko phakathi kwabo?Loluphi uhlobo lokutshintsha kwe-port ye-Gigabit Ethernet ekufuneka isetyenziswe ukuqonda i-Gigabit Ethernet connecti...Funda ngokugqithisileyo -
Imfuneko ye-fiber optical transceiver kwi-CCTV/IP network network surveillance system
Kule mihla, uphononongo lwevidiyo sisixhobo esiyimfuneko kuzo zonke iinkalo zobomi.Ukwakhiwa kweenkqubo zokucupha iividiyo zothungelwano kwenza kube lula ukubeka iliso kwiindawo zoluntu kunye nokufumana ulwazi.Nangona kunjalo, ngokuthandwa kwenkcazo ephezulu kunye nosetyenziso olukrelekrele lwevidiyo ...Funda ngokugqithisileyo
