Nkhani Zamakampani
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ONU ndi Modem
1, modemu yowala ndi chizindikiro chowala chomwe chimalowa mu zida zamagetsi za Ethernet, modemu yowala poyamba imatchedwa modemu, ndi mtundu wa zida zamakompyuta, ili kumapeto kwa kutumiza kudzera mu kusintha kwa zizindikiro za digito kukhala zizindikiro za analog, ndipo kumapeto kwa kulandira ...Werengani zambiri -
Huawei SmartAX MA5800 Seriyo olt
MA5800, chipangizo cholumikizira mautumiki ambiri, ndi OLT yokonzeka ya 4K/8K/VR ya nthawi ya Gigaband. Imagwiritsa ntchito zomangamanga zogawidwa ndipo imathandizira PON/10G PON/GE/10GE mu nsanja imodzi. MA5800 imaphatikiza mautumiki otumizidwa kudzera pa media zosiyanasiyana, imapereka 4K/8K/VR yabwino kwambiri ...Werengani zambiri -
Kugwira ntchito kwa pano kwa netiweki ya DCI (Gawo Lachiwiri)
3 Kuyang'anira Kakonzedwe Panthawi yokonza njira, kakonzedwe ka ntchito, kakonzedwe ka ulalo wolunjika wa optical layer, ndi kakonzedwe ka mapu a topology yolumikizirana ndizofunikira. Ngati njira imodzi ingakonzedwe yokhala ndi njira yotetezera, kakonzedwe ka njirayo pa ...Werengani zambiri -
Kugwira ntchito kwa pano kwa netiweki ya DCI (Gawo Loyamba)
Pambuyo poti netiweki ya DCI yayambitsa ukadaulo wa OTN, zimakhala ngati kuwonjezera ntchito yonse yomwe sinalipo kale pankhani yogwira ntchito. Netiweki yachikhalidwe ya malo osungira deta ndi netiweki ya IP, yomwe ndi yaukadaulo wa netiweki wanzeru. OTN mu DCI ndi ukadaulo wa physical layer, ...Werengani zambiri -
Kodi Bokosi la DCI ndi chiyani?
Chiyambi cha netiweki ya DCI Poyamba, malo osungira deta anali osavuta, okhala ndi makabati angapo + ma air conditioner angapo okhala ndi P yayikulu m'chipinda chosasinthika, kenako magetsi amodzi amzinda + ma UPS angapo, ndipo adakhala malo osungira deta. Komabe, malo osungira deta amtunduwu ndi ang'onoang'ono komanso otsika kwambiri...Werengani zambiri -
Ubwino wa WIFI 6 ONT
Poyerekeza ndi mibadwo yakale yaukadaulo wa WiFi, zinthu zazikulu zomwe zili mu mbadwo watsopano wa WiFi 6 ndi izi: Poyerekeza ndi mbadwo wakale wa 802.11ac WiFi 5, kuchuluka kwa ma transmissions a WiFi 6 kwawonjezeka kuchoka pa 3.5Gbps ya yoyamba kufika pa 9.6Gbps, ndipo liwiro la chiphunzitso lakhala ...Werengani zambiri -
Kodi pali ma module a QSFP28 optical?
QSFP28 optical module inganenedwe kuti ndi mbadwo watsopano wa optical module, yomwe imakondedwa ndi opanga ambiri chifukwa cha zabwino zake monga kukula kochepa, kuchuluka kwa ma port ambiri, komanso kugwiritsa ntchito mphamvu zochepa. Ndiye, ndi mitundu yanji ya QSFP8 optical modules yomwe ilipo? QSFP28 optical module imadziwikanso kuti...Werengani zambiri -
Zochitika za OTN Application
OTN ndi PTN Tiyenera kunena kuti OTN ndi PTN ndi ukadaulo wosiyana kwambiri, ndipo mwaukadaulo, tiyenera kunena kuti palibe kulumikizana. OTN ndi netiweki yoyendera ya kuwala, yomwe idasinthidwa kuchokera kuukadaulo wachikhalidwe wogawa ma wavelength. Ikuwonjezera makamaka nzeru...Werengani zambiri -
OTN (Optical Transport Network) ndi netiweki yotumizira mauthenga yomwe imakonza ma netiweki pa optical layer kutengera ukadaulo wogawa ma wavelength division multiplexing.
Ndi netiweki yotumizira mauthenga a msana ya m'badwo wotsatira. Mwachidule, ndi netiweki yotumizira mauthenga ya m'badwo wotsatira yozikidwa pa mafunde. OTN ndi netiweki yotumizira mauthenga yozikidwa pa ukadaulo wogawa mafunde womwe umakonza netiwekiyo pa layer ya kuwala, ndipo ndiye netiweki yotumizira mauthenga a msana...Werengani zambiri -
Kusiyana pakati pa DWDM ndi OTN
DWDM ndi OTN ndi njira ziwiri zaukadaulo zomwe zapangidwa ndi ukadaulo wogawa ma wavelength m'zaka zaposachedwa: DWDM ikhoza kuonedwa ngati PDH yakale (kutumiza kwa mfundo), ndipo ntchito zapaintaneti ndi zakunja zimamalizidwa pa ODF kudzera mu ma hard jumpers; OTN ili ngati SDH (mitundu yosiyanasiyana ya...Werengani zambiri -
Kugawa kwa chingwe chothamanga kwambiri cha DAC wamba
Chingwe cha DAC chothamanga kwambiri (Direct Attach Cable) nthawi zambiri chimamasuliridwa kuti chingwe cholunjika, chingwe cha mkuwa cholumikizira mwachindunji kapena chingwe chothamanga kwambiri. Chimatanthauzidwa ngati njira yolumikizira yotsika mtengo ya mtunda waufupi yomwe imalowa m'malo mwa ma module optical. Malekezero onse awiri a chingwe chothamanga kwambiri ali ndi ma module a ma Cable assemblies, osayimira...Werengani zambiri -
Kusanthula mozama kwa ma transceivers a fiber optic
Chifukwa cha kuchuluka kwa bandwidth komanso kuchepa kwa mphamvu yamagetsi komwe kumabwera chifukwa cha ulusi wa kuwala, liwiro la netiweki likukwera kwambiri. Ukadaulo wa transceiver wa fiber optic ukusinthanso mwachangu kuti ukwaniritse zosowa zomwe zikuchulukirachulukira za liwiro ndi mphamvu. Tiyeni tiwone momwe kupita patsogolo kumeneku kudzakhudzira...Werengani zambiri
