Wararka
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Waa maxay noocyada interface ee transceiver indhaha telefoonka?
Noocyada isku xirka taleefanka ee caadiga ah ee la isticmaalo transceivers optical phone waa: loop relay interface (FXO), isku xirka khadka macaamiisha analogga ah (FXS), Interface telephone-ka khadka tooska ah (telefoonka rasmiga ah), Interface telephoneka magnetka.Transceivers-ka taleefoonada waxaa loo isticmaalaa isku-duubnida.Telefoonka ku yaala...Akhri wax dheeraad ah -
Hordhaca deegaanka lagu dabaqi karo ee 8-deked PoE Switch
8-dekedda POE beddelka shabakadda "Weligaa ha gubin qalabka" smart POE switch, horumarsan is-dareen algorithm awood kaliya IEEE 802.3af terminal qalabka, sidaas darteed looma baahna in laga walwalo waxyeello gaar ah heerka PoE ama qalabka non-PoE.Nidaam koronto oo caqli-gal ah, ilaalinta culeyska xad-dhaafka ah, bre...Akhri wax dheeraad ah -
8-dekedda gabayga beddelka hordhaca alaabta
Siddeed-dekedood ee POE beddelka (JHA-P30208CBMH) waxay bixisaa awood iyo gudbinta xogta iyadoo la adeegsanayo fiilooyinka Qaybta 5 Ethernet ee qanjidhada shabakadda.8+2 dekedaha degdega ah ee Ethernet waxaa loo isticmaali karaa isku xirka 10/100Mps, kuwaas oo 8 ka mid ah ay bixin karaan heerka warshadaha IEEE802.3af awood.Is-dareenka sare ee al...Akhri wax dheeraad ah -
Sidee loo tijaabiyaa iswaafajinta modules-yada ku habboon?
Dadka inta badan iibsada modules indhaha waxay og yihiin in modules fiber optic ah ay caadi ahaan u baahan yihiin inay xaqiijiyaan koodhka iswaafajinta, sababtoo ah hadda waxaa jira laba nooc oo suuqa ah, mid waa moduleka ku habboon waxqabadka sare, kan kalena waa moduleka indhaha ee astaanta beddelka asalka ah. .Farqiga qiimaha...Akhri wax dheeraad ah -
Sidee lagu ogaan karaa sahayda korantada POE ee furayaasha caadiga ah?
Furaha PoE waxa loola jeedaa beddelka bixin kara sahayda korantada shabakadda ee teerminnada tamarta fog leh iyada oo loo marayo fiilada shabakadda.Waa qalab koronto oo caadi ah oo ka jira nidaamyada korontada ee PoE.Si kastaba ha ahaatee, haddii shiduhu uusan lahayn shaqada POE, ma lagu dari karaa moduleka tamarta gabayada dheeraadka ah ...Akhri wax dheeraad ah -
Hordhac isticmaalka modules indhaha
Module-ka indhaha, gaar ahaan waxa uu tilmaamayaa moduleka indhaha ee baakadaysan ee yar-yar ee la isku beddeli karo.Waa moduleka indhaha oo si kulul loo kala beddeli karo inta lagu jiro hawlgalka oo loo isticmaali karo dekedda qalabka.Inta badan waxaa loo isticmaalaa in lagu xiro qalabka (guud ahaan waxaa loola jeedaa beddelka ama qalabka router).Korontada...Akhri wax dheeraad ah -
Keebaa fiican in la isticmaalo CWDM/DWDM Multiplexer?
CWDM/DWDM kala qaybinta mawjadaha isku dhufashada isticmaalka qalabka Maaddaama shuruudaha dadku u baahan yihiin xajmiyeedku ay sare u sii kacayaan iyo sare u kacayaan, Qalabka Wavelength Division Multiplexing (DWDM) ayaa horumar weyn ka sameeyay dhimista kharashaadka, sidaas darteedna aad iyo aad ayaa looga doorbiday suuqa.Si kastaba ha ahaatee,...Akhri wax dheeraad ah -
Waa maxay faraqa u dhexeeya CWDM/DWDM Multiplexer?
Dhismaha shabakadaha aagga magaalo-madaxda (gaar ahaan masaafada dheer ee OTN shabakadaha gudbinta indhaha), qaybinta dhererka dhererka qalabka isku dhufashada ayaa si gaar ah muhiim u ah.Qalabka isku dhufashada mawjadaha dhererka cufan ee DWDM wuxuu leeyahay fogaan dheer, awoodo gudbinta bandwidth-sare;...Akhri wax dheeraad ah -
Maxaa sababa in calaamada beddelaha RS485 la farageliyo?
Hawsha ugu weyn ee beddelaha 485 waa inuu u beddelo calaamadda RS-232-dhammaad ah ee RS-485 ama calaamad RS-422 ah oo dheellitiran.Sababo la xiriira gudbinta macluumaadka fog-fog iyo awood xoog leh oo ka-hortagga faragelinta, beddelayaasha rs485 ayaa si weyn loogu isticmaalaa isgaarsiinta amniga iyo qaybaha kale....Akhri wax dheeraad ah -
Maxay yihiin sababaha fashilka moduleka indhaha?
Module-ka indhaha waxa inta badan loo isticmaalaa in lagu beddelo signalka korantada ee aaladda (badanaa waxa loola jeedaa is-beddelka ama aaladda router-ka) oo loo beddelo signalka indhaha, ka dibna lagu gudbiyo fiber-ka indhaha (oo ay hirgelisay dhammaadka gudbinta moduleka indhaha), iyo waxay heli kartaa indho-indhayn dibadda ah...Akhri wax dheeraad ah -
Waa maxay faraqa u dhexeeya dekedda RJ45 iyo dekedda SFP ee beddelka?
Sida aynu wada ognahay, dareemaha Gigabit Ethernet guud ahaan waxay leeyihiin laba nooc oo dekedo ah: dekedaha RJ45 iyo dekedaha SFP.Labada nooc ee dekeduhu waxay qaadi karaan gudbinta Gigabit Ethernet, markaa waa maxay farqiga u dhexeeya?Waa maxay nooca deked Gigabit Ethernet beddelka waa in loo isticmaalaa si loo ogaado Gigabit Ethernet connecti ...Akhri wax dheeraad ah -
Baahida loo qabo transceiver fiber indhaha ee CCTV/IP nidaamka ilaalinta muuqaalka
Maalmahan, ilaalinta muuqaalku waa kaabayaasha lagama maarmaanka u ah dhammaan qaybaha nolosha.Dhismaha hababka ilaalinta fiidyaha ee shabakada waxay sahlaysaa in lala socdo goobaha caamka ah iyo helitaanka macluumaadka.Si kastaba ha noqotee, iyada oo la faafinayo muuqaalada qeexitaanka sare iyo codsiyada caqliga leh ...Akhri wax dheeraad ah
