Nkhani
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Kodi mawonekedwe amtundu wa ma transceiver a telefoni ndi otani?
Mitundu ya mawonekedwe a telefoni omwe amagwiritsidwa ntchito kawirikawiri ndi ma transceivers optical telefoni ndi: mawonekedwe a loop relay (FXO), mawonekedwe a mzere wa analogi (FXS), mawonekedwe a telefoni ya hotline (telefoni yovomerezeka), mawonekedwe a telefoni ya maginito.Ma transceivers opangira mafoni amagwiritsidwa ntchito polumikizana.Phone mu...Werengani zambiri -
Chidziwitso cha malo omwe akugwiritsidwa ntchito pa 8-port PoE Switch
8-port POE network switch "Osawotcha chipangizo" chosinthira chanzeru cha POE, njira yodzimvera yokhayokha imangogwiritsa ntchito zida za IEEE 802.3af, kotero palibe chifukwa chodera nkhawa kuwononga zida zachinsinsi za PoE kapena zida zomwe si za PoE.Dongosolo lamagetsi lanzeru, chitetezo chochulukirapo, ...Werengani zambiri -
8-port poe switch poe poe
Chosinthira cha POE chokhala ndi madoko asanu ndi atatu (JHA-P30208CBMH) chimapereka mphamvu ndi kutumiza kwa data pogwiritsa ntchito zingwe za Gulu la 5 Ethernet kuchokera pa node ya netiweki.8+2 doko mofulumira Efaneti madoko angagwiritsidwe ntchito 10/100Mps kugwirizana, amene 8 madoko angapereke makampani muyezo IEEE802.3af mphamvu.The advanced self-sensing al...Werengani zambiri -
Momwe mungayesere kuyanjana kwa ma module optical ogwirizana?
Anthu omwe nthawi zambiri amagula ma module a kuwala amadziwa kuti ma modules optical fiber nthawi zambiri amafunika kutsimikizira kachidindo kameneka, chifukwa pakali pano pali mitundu iwiri pamsika, imodzi ndi gawo lapamwamba logwirizana, ndipo lina ndilo gawo la kuwala kwa mtundu wapachiyambi. .Mtengo wamtengo wapatali ...Werengani zambiri -
Momwe mungadziwire magetsi a POE pama switch wamba?
Kusintha kwa PoE kumatanthawuza chosinthira chomwe chimatha kupereka magetsi pamaneti kupita ku ma terminals akutali kudzera pa chingwe cha netiweki.Ndi chipangizo chodziwika bwino chamagetsi pamakina amagetsi a PoE.Komabe, ngati chosinthira chilibe ntchito ya POE, mutha kuwonjezera gawo lamagetsi la poe ...Werengani zambiri -
Chidziwitso chogwiritsa ntchito ma module optical
Optical module, makamaka imatanthawuza gawo laling'ono lopangidwa ndi mpweya lomwe limatha kusinthidwa kutentha.Ndiwo mawonekedwe a optical omwe amatha kusinthidwa kutentha panthawi yogwira ntchito ndikugwiritsidwa ntchito pa doko la chipangizo.Amagwiritsidwa ntchito makamaka kulumikiza chipangizocho (nthawi zambiri amatanthauza chosinthira kapena chipangizo cha rauta).Magetsi...Werengani zambiri -
Ndibwino kuti mugwiritse ntchito CWDM/DWDM Multiplexer ndi iti?
CWDM/DWDM wavelength division multiplexing zida zogwiritsira ntchito Pamene zofunikira za anthu za bandwidth zikukwera kwambiri, zipangizo za Dense Wavelength Division Multiplexing (DWDM) zapita patsogolo kwambiri pochepetsa ndalama, choncho zimakondedwa kwambiri pamsika.Komabe, ...Werengani zambiri -
Kodi pali kusiyana kotani pakati pa CWDM/DWDM Multiplexer?
Pomanga ma network a metropolitan area (makamaka ma network atalitali a OTN optical transmission network), zida za wavelength division multiplexing ndizofunikira kwambiri.DWDM wandiweyani wavelength division multiplexing zida ali mtunda wautali, mkulu-bandiwifi kufala mphamvu;...Werengani zambiri -
Kodi chimapangitsa kuti chizindikiro cha RS485 chisokonezedwe ndi chiyani?
Ntchito yayikulu ya 485 converter ndikusintha chizindikiro cha RS-232 chokhazikika kukhala chosiyana RS-485 kapena RS-422 chizindikiro.Chifukwa cha kufalikira kwa zidziwitso zazitali komanso kuthekera kolimbana ndi kusokoneza, otembenuza a rs485 amagwiritsidwa ntchito kwambiri pakulumikizana kwachitetezo ndi magawo ena....Werengani zambiri -
Zifukwa zotani za kulephera kwa module ya optical?
Optical module imagwiritsidwa ntchito makamaka kutembenuza chizindikiro chamagetsi mu chipangizocho (kawirikawiri kutanthauza chosinthira kapena chipangizo cha rauta) kukhala chizindikiro cha kuwala, kenako ndikuchitumiza kudzera mu fiber optical (yomwe imayendetsedwa ndi mapeto a optical module), ndi amatha kulandira mawonekedwe akunja ...Werengani zambiri -
Kodi pali kusiyana kotani pakati pa doko la RJ45 ndi doko la SFP la switch?
Monga tonse tikudziwa, ma switch a Gigabit Ethernet nthawi zambiri amakhala ndi mitundu iwiri yamadoko: madoko a RJ45 ndi madoko a SFP.Mitundu yonse iwiri yamadoko imatha kunyamula kutumiza kwa Gigabit Efaneti, ndiye pali kusiyana kotani pakati pawo?Ndi mtundu wanji wa doko la Gigabit Ethernet switch yomwe iyenera kugwiritsidwa ntchito kuzindikira cholumikizira cha Gigabit Ethernet ...Werengani zambiri -
Kufunika kwa optical fiber transceiver mu CCTV/IP network network surveillance system
Masiku ano, kuyang'anira makanema ndichinthu chofunikira kwambiri m'magulu onse amoyo.Kupanga makina owonera makanema pa intaneti kumapangitsa kuti pakhale kosavuta kuyang'anira malo omwe anthu ambiri amapeza komanso kupeza zambiri.Komabe, ndi kutchuka kwa matanthauzo apamwamba komanso mwanzeru kugwiritsa ntchito makanema ...Werengani zambiri
