Iindaba zeShishini
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Isisombululo se-FTTH sokugqibela: Utshintsho lomdlalo kunxibelelwano
Kwihlabathi lanamhlanje ledijithali elikhawulezayo, ukuba nonxibelelwano lwe-intanethi oluthembekileyo nolukhawulezayo kubalulekile. Nokuba kukusasazwa, ukudlala imidlalo okanye ukusebenza ekhaya, izisombululo zefayibha ukuya ekhaya (FTTH) ziye zaba ngumgangatho wegolide wokuhambisa unxibelelwano olukhawulezayo. Njengoko imfuno ye-intanethi ekhawulezayo iqhubeka ikhula, iinkampani zonxibelelwano zityala imali kwisisombululo se-FTTH...Funda ngokugqithisileyo -
Uphuhliso lwee-Encoders: Ukusuka kwi-Analog ukuya kwiDijithali
Kwihlabathi letekhnoloji, ii-encoders zidlala indima ebalulekileyo ekuguquleni ulwazi ukusuka kwenye ifomathi ukuya kwenye. Nokuba kukwicandelo le-audio, ividiyo okanye idatha yedijithali, ii-encoders zidlala indima ebalulekileyo ekuqinisekiseni ukuba ulwazi ludluliselwa ngokuchanekileyo nangokufanelekileyo. Ii-encoders zikhule kakhulu kule minyaka idlulileyo, ukusuka kwizixhobo ezilula ze-analog ukuya kwiinkqubo zedijithali ezintsonkothileyo. Kwi...Funda ngokugqithisileyo -
Indima yama-optical nodes kwiinethiwekhi zonxibelelwano zanamhlanje
Kule mihla yedijithali, imfuno ye-intanethi ekhawulezayo kunye neenkonzo zonxibelelwano eziphambili ayizange ibe nkulu kangako. Ukuze kuhlangatyezwane nale mfuno, iinkampani zonxibelelwano zihlala ziphucula iinethiwekhi zazo ukuze zinike abathengi unxibelelwano olukhawulezayo noluthembekileyo. Icandelo eliphambili kwezi nethiwekhi zonxibelelwano zanamhlanje yi-optical node. Ii-optical nodes zi...Funda ngokugqithisileyo -
Yonke into ekufuneka uyazi malunga notshintsho lwe-POE
Kwihlabathi lanamhlanje elikhula ngedijithali, isidingo soqhagamshelo lwe-intanethi olukhawulezayo noluthembekileyo sikhulu kunangaphambili. Oku kuyinyani ngakumbi kumashishini nakwimibutho, apho uqhagamshelo lwenethiwekhi oluzinzileyo lubalulekile kwimisebenzi yemihla ngemihla. Kulapho ii-switches ze-Power over Ethernet (PoE) ziqala khona ukusebenza. Yintoni i-switch ye-PoE oyibuzayo? Zii-switches zenethiwekhi ezi...Funda ngokugqithisileyo -
Yintoni umahluko phakathi kwee-routers ze-WiFi 6 kunye nee-routers ze-Gigabit
Njengoko iteknoloji iqhubeka nokutshintsha, neendlela esihlala siqhagamshelwe ngazo ziyanda. Enye yezinto ezintsha ezenzekayo kuqhagamshelo olungenazingcingo kukwaziswa kwee-routers zeWiFi 6. Ezi routers zintsha zenzelwe ukubonelela ngesantya esikhawulezayo, uzinzo olukhulu loqhagamshelo, kunye nokusebenza okungcono kunezo zangaphambili. Kodwa yintoni kanye kanye eyahlula kwii-routers zeGigabit? Yeyiphi...Funda ngokugqithisileyo -
Amandla e-SAT Optical Nodes: Ukunyusa unxibelelwano kunye nokusebenza
Kwihlabathi lanamhlanje elikhawulezayo neliphucukileyo kwezobuchwepheshe, uqhagamshelo lubalulekile. Nokuba kukusetyenziswa komntu okanye imisebenzi yeshishini, ukuba neenkonzo ze-intanethi ezithembekileyo nezikhawulezayo kunye nonxibelelwano kuyimfuneko. Kulapho ke ii-SAT optical nodes zisebenza khona, zibonelela ngesisombululo esinamandla sokuphucula uqhagamshelo kunye nokusebenza. Ii-SAT optical nodes ziyinxalenye ebalulekileyo ye-sat...Funda ngokugqithisileyo -
Iingenelo zeendawo zokufikelela ezingenazingcingo kwiiNethiwekhi zanamhlanje
Kwihlabathi lanamhlanje elinonxibelelwano lwedijithali olukhawulezayo, iindawo zokufikelela ezingenazingcingo (ii-AP) ziye zaba yinxalenye ebalulekileyo yeziseko zophuhliso zenethiwekhi zanamhlanje. Njengoko izixhobo ezininzi ziqhagamshelwa ngaphandle kweentambo, imfuneko yeendawo zokufikelela ezingenazingcingo ezizinzileyo nezithembekileyo ayizange ibe yeyona nto ibaluleke kangaka. Kule bhlog, siza kuhlola iingenelo ezininzi zeendawo zokufikelela ezingenazingcingo kunye nesizathu sokuba...Funda ngokugqithisileyo -
Ukwandisa amandla edatha ye-ONU kwiimarike zanamhlanje
Kwihlabathi lanamhlanje elikhawulezayo neliqhutywa yidatha, imfuneko yokudluliselwa kwedatha ngokufanelekileyo nangokuthembekileyo ibaluleke ngakumbi kunangaphambili. Njengoko imfuno ye-intanethi ekhawulezayo kunye noqhagamshelo olungenamthungo iqhubeka ikhula, indima ye-data ONUs (Optical Network Units) iya ibaluleke ngakumbi kushishino lonxibelelwano. Njengoko itekhnoloji iqhubeka nokukhula, amashishini kunye ...Funda ngokugqithisileyo -
Iimpawu eziphambili kunye neenzuzo zeTekhnoloji ye-GPON OLT
Itekhnoloji ye-GPON (Gigabit Passive Optical Network) OLT (Optical Line Terminal) iguqula ishishini lonxibelelwano ngokubonelela ngokufikelela kwi-intanethi ngesantya esiphezulu kunye nonxibelelwano oluthembekileyo kumakhaya, amashishini nakwamanye amaziko. Eli nqaku liza kuhlola iimpawu eziphambili kunye neenzuzo zobuchwepheshe be-GPON OLT. Itekhnoloji ye-GPON OLT yinethiwekhi yefayibha ye-optical...Funda ngokugqithisileyo -
Ukufumanisa i-XPON ingaqondakali: Konke Okufuneka Ukwazi Ngesi Sisombululo seBroadband Esiphambili
I-XPON imele i-X Passive Optical Network, isisombululo se-broadband esiphambili esiye saguqula ishishini lonxibelelwano. Ibonelela ngonxibelelwano lwe-intanethi olukhawulezayo kwaye izisa iingenelo ezininzi kubaboneleli beenkonzo kunye nabasebenzisi bokugqibela. Kweli nqaku, siza kuyicacisa i-XPON kwaye sichaze yonke into ekufuneka uyazi malunga nesi sisombululo se-broadband esitsha. I-XPON yitekhnoloji...Funda ngokugqithisileyo -
Ukuqonda umahluko phakathi kwe-IP kunye neeGateways kwiiNethiwekhi zanamhlanje
Kwihlabathi lothungelwano lwanamhlanje, ukuqonda iingcamango ezisisiseko ze-Internet Protocol (IP) kunye nee-gateways kubalulekile. Omabini la magama adlala indima ebalulekileyo ekwenzeni lula unxibelelwano olungenamthungo phakathi kweenethiwekhi ezinkulu kunye nokuqhuba unxibelelwano lwehlabathi. Kweli nqaku, siza kuhlola umahluko phakathi kwe-IP kunye nee-gateways, sicacise imisebenzi yazo, kwaye sigqamise im...Funda ngokugqithisileyo -
Ukuqonda indima yeeprosesa ze-head-end kwiinkqubo ze-digital head-end
Kwicandelo losasazo lwedijithali, iiprosesa zentloko zidlala indima ebalulekileyo ekudlulisweni ngokufanelekileyo kwemiqondiso kamabonakude neyerediyo. Eli nqaku lijolise ekucaciseni ukuba yintoni i-digital headend kunye nokubaluleka kweprosesa yentloko kule nkqubo. Yintoni i-digital headend? : I-digital headend ibhekisa kwindawo ephambili yenethiwekhi yosasazo efumana, icwangcisa kwaye isasaze i-satellite...Funda ngokugqithisileyo