los ntawm Admin / 18 May 22 /0Cov lus pom FTTR All-optical WiFi Ua ntej, ua ntej qhia FTTR, peb tsuas nkag siab tias FTTx yog dab tsi. FTTx yog cov ntawv luv rau "Fiber To The x" rau "fiber to x", qhov twg x tsis tsuas yog sawv cev rau qhov chaw uas cov fiber ntau tuaj txog, tab sis kuj suav nrog cov khoom siv kho qhov muag tau teeb tsa ntawm qhov chaw thiab cov cim ... Nyeem ntxiv los ntawm Admin / 12 May 22 /0Cov lus pom Hom lub davhlau ya nyob twg uas cov neeg siv txuas txuas ruaj khov nkag hauv Is Taws Nem ONU: tag nrho lub npe Optical Network Unit, optical network unit, feem ntau hu ua ONU, siv PON passive optical fiber nkag tshuab, kis nruab nrab rau optical fiber, yog ib tug loj-scale mainstream nkag hom ntawm lub ntiaj teb no telecom tswv, nrog rau qhov zoo ntawm tsawg cos. ... Nyeem ntxiv los ntawm Admin / 11 May 22 /0Cov lus pom Kev taw qhia luv luv rau PON network architecture Tej zaum koj yuav tsis paub tias "PON" yog dab tsi (feem ntau nyeem ua "pang"), tab sis koj yuav tsum tau hnov txog "fiber rau tsev". Tej zaum koj yuav tsis paub tias "ONU" yog dab tsi (feem ntau nyeem "ONU"), tab sis thaum koj qhib lub thawv hluav taws xob tsis muaj zog hauv koj lub tsev, koj yuav tsum pom "... Nyeem ntxiv los ntawm Admin / 09 May 22 /0Cov lus pom Multi-function ONU Nrog rau txoj kev loj hlob sai ntawm kev tshawb fawb thiab thev naus laus zis, FTTH (Fiber To The Home) thev naus laus zis tau nthuav dav, nrog Tuam Tshoj Telecom, Tuam Tshoj Mobile, Tuam Tshoj Unicom peb tus tswv lag luam ntawm kev sib txuas lus tau ua tiav qhov loj-loj loj xa mus, thiab raws li ONU (optical. modem) tau dhau los ua qhov tsim nyog ... Nyeem ntxiv los ntawm Admin / 06 May 22 /0Cov lus pom A 2.4G WiFi Protocol Standard 2.4G WiFi ua haujlwm hauv 2.4GHz band nrog kev ua haujlwm zaus ntawm 2400 ~ 2483.5MHz.Cov qauv tseem ceeb ua raws yog IEEE802.11b / g / n tus qauv tsim los ntawm IEEE (Association of Electrical and Electronics Engineers).Nov yog cov qauv no. Hauv kev nthuav dav: IEEE802.11 yog wireless LAN tus qauv thawj ... Nyeem ntxiv los ntawm Admin / 20 Apr 22 /0Cov lus pom Kev daws teeb meem yooj yim ntawm ONU (optical network unit) Taw qhia: ONU (Optical Network Unit) tau muab faib ua active optical network unit thiab passive optical network unit, ONU yog tus neeg siv lub davhlau ya nyob twg hauv cov khoom siv kho qhov muag, muab tso rau ntawm tus neeg siv kawg, siv nrog OLT kom ua tiav Ethernet Txheej 2, Txheej 3 ua haujlwm , muab cov neeg siv nrog lub suab, cov ntaub ntawv ... Nyeem ntxiv << < Ua ntej14151617181920Tom ntej no>>> Page 17/47