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Udindo wofunikira wa kuyesa kufalikira pakuzindikira ulusi
Kaya kulumikizana kwa madera kapena kontinenti yozungulira, liwiro ndi kulondola ndizofunikira ziwiri zofunika kwambiri pa maukonde a fiber optic omwe amanyamula mauthenga ofunikira. Ogwiritsa ntchito amafunika maulalo achangu a FTTH ndi kulumikizana kwa mafoni a 5G kuti akwaniritse telemedicine, autonomous vehicle, videoconferencing ndi mapulogalamu ena ofunikira kwambiri pa bandwidth. Chifukwa cha kubuka kwa malo ambiri osungira deta komanso kufalikira kwa...Werengani zambiri -
Kusanthula kwa mndandanda wa chingwe cha LMR coaxial chimodzi ndi chimodzi
Ngati mudagwiritsapo ntchito kulumikizana kwa RF (ma radio frequency), ma network a m'manja, kapena ma antenna system, mungakumane ndi mawu akuti chingwe cha LMR. Koma kodi kwenikweni ndi chiyani ndipo chifukwa chiyani chimagwiritsidwa ntchito kwambiri? Munkhaniyi, tifufuza kuti chingwe cha LMR ndi chiyani, makhalidwe ake ofunikira, komanso chifukwa chake ndi chisankho chomwe chimakondedwa kwambiri pakugwiritsa ntchito RF, ndikuyankha funso lakuti 'Kodi chingwe cha LMR ndi chiyani?'. Pansi...Werengani zambiri -
Kusiyana pakati pa ulusi wosawoneka ndi ulusi wamba wa kuwala
Mu gawo la kulumikizana kwa matelefoni ndi kutumiza deta, ukadaulo wa fiber optic wasintha momwe timalumikizirana ndi kulumikizana. Pakati pa mitundu yosiyanasiyana ya ulusi wa kuwala, magulu awiri odziwika bwino atuluka: ulusi wamba wa kuwala ndi ulusi wosawoneka. Ngakhale cholinga chachikulu cha zonsezi ndikutumiza deta kudzera mu kuwala, kapangidwe kake, ntchito zake, ndi...Werengani zambiri -
Mfundo yogwirira ntchito ya chingwe chowunikira cha USB
Chingwe cha USB Chogwira Ntchito Chowunikira (AOC) ndi ukadaulo womwe umaphatikiza ubwino wa ulusi wa kuwala ndi zolumikizira zamagetsi zachikhalidwe. Chimagwiritsa ntchito ma chip osinthira kuwala omwe amaphatikizidwa kumapeto onse a chingwe kuti aphatikize ulusi wa kuwala ndi zingwe. Kapangidwe kameneka kamalola AOC kupereka zabwino zosiyanasiyana kuposa zingwe zamkuwa zachikhalidwe, makamaka pamayendedwe akutali komanso othamanga kwambiri a data...Werengani zambiri -
Makhalidwe ndi ntchito za zolumikizira za UPC za fiber optic
Cholumikizira cha UPC cha mtundu wa fiber optic ndi cholumikizira chofala kwambiri m'munda wa kulumikizana kwa fiber optic, nkhaniyi isanthula mozungulira mawonekedwe ake ndi kagwiritsidwe ntchito kake. Mawonekedwe a cholumikizira cha UPC cha mtundu wa fiber optic 1. Mawonekedwe a nkhope yomaliza ya UPC cholumikizira pin kumapeto kwa nkhope yakonzedwa kuti ipangitse pamwamba pake kukhala posalala, ngati dome. Kapangidwe kameneka kamalola nkhope yomaliza ya fiber optic kuti igwirizane kwambiri ndi...Werengani zambiri -
Chingwe cha fiber optic: kusanthula mozama za ubwino ndi kuipa
Mu ukadaulo wamakono wolumikizirana, zingwe za fiber optic zimagwira ntchito yofunika kwambiri. Njira iyi, yomwe imatumiza deta kudzera mu zizindikiro za kuwala, ili ndi malo osasinthika pantchito yotumizira deta mwachangu chifukwa cha mawonekedwe ake apadera. Ubwino wa Zingwe za Fiber Optic Kutumiza mwachangu: Zingwe za fiber optic zimatha kupereka mitengo yotumizira deta yambiri, yongopeka...Werengani zambiri -
Chiyambi cha Ukadaulo wa PAM4
Musanamvetse ukadaulo wa PAM4, kodi ukadaulo wa modulation ndi chiyani? Ukadaulo wa modulation ndi njira yosinthira zizindikiro za baseband (zizindikiro zamagetsi zosaphika) kukhala zizindikiro zotumizira. Kuti muwonetsetse kuti kulumikizana kuli bwino ndikuthana ndi mavuto pakutumiza zizindikiro zakutali, ndikofunikira kusamutsa siginolo ya siginolo kupita ku njira yolumikizirana yapamtunda wapamwamba kudzera mu modulation ya ...Werengani zambiri -
Zipangizo zambiri zogwirira ntchito polumikizirana ndi fiber optic: kasinthidwe ndi kasamalidwe ka ma transceivers a fiber optic
Pankhani yolumikizirana ndi fiber optic, ma transceiver a fiber optic si zida zofunika kwambiri posinthira ma siginecha amagetsi ndi optical, komanso ndi zida zofunikira kwambiri pakupanga netiweki. Nkhaniyi ifufuza momwe ma transceiver a fiber optic amagwirira ntchito, kuti apereke malangizo othandiza kwa oyang'anira ma netiweki ndi mainjiniya. Kufunika kwa...Werengani zambiri -
Chisa cha ma frequency optical ndi transmission yowunikira?
Tikudziwa kuti kuyambira m'ma 1990, ukadaulo wa WDM wavelength division multiplexing wakhala ukugwiritsidwa ntchito pa maulalo a fiber optic akutali omwe amapitilira makilomita mazana ambiri kapena zikwizikwi. M'maiko ambiri ndi madera, zomangamanga za fiber optic ndiye chuma chawo chokwera mtengo kwambiri, pomwe mtengo wa zida zotumizira mauthenga ndi wotsika. Komabe, chifukwa cha kukula kwakukulu kwa chiwongola dzanja chotumizira deta ya netiweki...Werengani zambiri -
EPON, netiweki ya broadband ya GPON ndi kuyesa kwa OLT, ODN, ndi ONU katatu kophatikiza ma netiweki
EPON（Ethernet Passive Optical Network） Ethernet passive optical network ndi ukadaulo wa PON wozikidwa pa Ethernet. Umagwiritsa ntchito kapangidwe ka mfundo imodzi kupita ku mfundo zambiri komanso kutumiza kwa fiber optic passive, kupereka mautumiki angapo kudzera pa Ethernet. Ukadaulo wa EPON umayendetsedwa ndi gulu logwira ntchito la IEEE802.3 EFM. Mu June 2004, gulu logwira ntchito la IEEE802.3EFM linatulutsa EPON stan...Werengani zambiri -
Kusanthula kwa ubwino wa WiMAX pakugwiritsa ntchito IPTV
Kuyambira pomwe IPTV idalowa pamsika mu 1999, kukula kwachulukirachulukira pang'onopang'ono. Zikuyembekezeka kuti ogwiritsa ntchito IPTV padziko lonse lapansi adzafika pa oposa 26 miliyoni pofika chaka cha 2008, ndipo kuchuluka kwa ogwiritsa ntchito IPTV pachaka ku China kuyambira 2003 mpaka 2008 kudzafika pa 245%. Malinga ndi kafukufukuyu, kilomita yomaliza ya IPTV imagwiritsidwa ntchito kwambiri mu DSL cable access mode, ndi chiletso...Werengani zambiri -
Kapangidwe ka DCI ndi Unyolo wa Makampani
Posachedwapa, chifukwa cha chitukuko cha ukadaulo wa AI ku North America, kufunika kwa kulumikizana pakati pa mfundo za netiweki ya masamu kwakula kwambiri, ndipo ukadaulo wa DCI wolumikizidwa ndi zinthu zina zokhudzana nazo zakopa chidwi pamsika, makamaka pamsika wamalonda. DCI (Data Center Interconnect, kapena mwachidule DCI), kapena Data Center In...Werengani zambiri
