Masiku ano, kuyang'anira makanema ndichinthu chofunikira kwambiri m'mbali zonse za moyo.Kupanga makina owonera makanema pa intaneti kumapangitsa kuti pakhale kosavuta kuyang'anira malo omwe anthu ambiri amapeza komanso kupeza zambiri.Komabe, ndi kutchuka kwa tanthawuzo lapamwamba ndi ntchito zanzeru zamakamera owonetsetsa mavidiyo, zofunikira za khalidwe lachidziwitso chotumizira mavidiyo, mtsinje wa bandwidth ndi mtunda wotumizira zakhala zikuyenda bwino, ndipo machitidwe amkuwa omwe alipo ndi ovuta kugwirizana.Nkhaniyi ikambirana za njira yatsopano yopangira ma waya yomwe imagwiritsa ntchito ma waya opangira ma optical fiber ndi ma transceivers opangira, omwe angagwiritsidwe ntchito pamakina owonera kanema wawayilesi (CCTV) ndi makina owonera makanema a IP network.

Kanema wowunika dongosolo mwachidule

Masiku ano, makanema owonera makanema akuchulukirachulukira, ndipo pali njira zambiri zopangira makina owonera makanema.Pakati pawo, kuwunika kwa CCTV ndi kuyang'anira makamera a IP ndi mayankho omwe amapezeka kwambiri.

Makina owonera kanema wawayilesi wotsekedwa (CCTV)
Mu njira yowonera kanema wawayilesi wotsekedwa, kamera ya analogi yokhazikika (CCTV) imalumikizidwa ku chipangizo chosungira (monga chojambulira makanema a VCR kapena chojambulira cha digito cha hard disk DVR) kudzera pa chingwe cha coaxial.Ngati kamera ndi kamera ya PTZ (imathandizira kusinthasintha kozungulira, kupendekera ndi makulitsidwe), chowongolera chowonjezera cha PTZ chiyenera kuwonjezeredwa.

IP network yowunikira makanema
Mu mawonekedwe a IP network surveillance network, makamera a IP amalumikizidwa ndi netiweki yakumaloko kudzera mu zingwe zopindika zosatetezedwa (mwachitsanzo, Gulu 5, Gulu 5, ndi ma jumper ena a netiweki) ndi ma switch.Mosiyana ndi makamera a analogi omwe atchulidwa pamwambapa, makamera a IP makamaka amatumiza ndi kulandira ma datagrams a IP kudzera pa intaneti popanda kuwatumiza kuzipangizo zosungirako.Panthawi imodzimodziyo, kanema wotengedwa ndi makamera a IP amalembedwa pa PC iliyonse kapena seva mu network.Chinthu chachikulu kwambiri cha IP network video surveillance network ndi chakuti kamera iliyonse ya IP ili ndi adiresi yake ya IP, ndipo imatha kudzipeza yokha. kutengera adilesi ya IP pamaneti onse amakanema.Nthawi yomweyo, popeza ma adilesi a IP a makamera a IP amatha kutha, amatha kupezeka padziko lonse lapansi.

Kufunika kwa optical fiber transceiver mu CCTV/IP network network surveillance system

Machitidwe onse omwe atchulidwa pamwambapa amatha kugwiritsidwa ntchito m'malo ochezera amalonda kapena okhalamo.Pakati pawo, makamera okhazikika a analogi omwe amagwiritsidwa ntchito mu CCTV nthawi zambiri amagwiritsa ntchito zingwe za coaxial kapena zingwe zopotoka zosatetezedwa (pamwamba pamagulu atatu a netiweki zingwe) kuti alumikizane, ndipo makamera a IP nthawi zambiri amagwiritsa ntchito zingwe zopotoka zosatetezedwa (pamwamba pa gulu la zingwe za netiweki zisanu) polumikizira.Chifukwa ziwembu ziwirizi zimagwiritsa ntchito copper cabling, ndizotsika poyerekeza ndi fiber cabling potengera mtunda wotumizira komanso bandwidth ya netiweki.Komabe, sikophweka kuyika cabling yamkuwa yomwe ilipo panopa ndi kuwala kwa fiber cabling, ndipo pali zovuta zotsatirazi:

*Zingwe zamkuwa nthawi zambiri zimakhazikika pakhoma.Ngati ulusi wa kuwala ukugwiritsidwa ntchito, zingwe za kuwala ziyenera kuikidwa pansi.Komabe, izi sizingatheke kwa ogwiritsa ntchito wamba.Akatswiri amafunika kuti amalize kuyika, ndipo mtengo wa waya siwotsika;
* Kuphatikiza apo, zida zamakamera azikhalidwe sizikhala ndi madoko a fiber.

Poganizira izi, njira yopangira ma fiber optic fiber optic transceivers ndi makamera a analogi / makamera a IP yakopa chidwi cha oyang'anira maukonde.Pakati pawo, transceiver ya optical fiber imatembenuza chizindikiro choyambirira chamagetsi kukhala chizindikiro cha kuwala kuti azindikire kugwirizana kwa chingwe cha mkuwa ndi kuwala kwa kuwala.Ili ndi zabwino izi:

* Palibe chifukwa chosuntha kapena kusintha waya wamkuwa wamkuwa wam'mbuyo, ingozindikirani kutembenuka kwa photoelectric kudzera m'malo osiyanasiyana pa transceiver ya fiber optical, ndikugwirizanitsa chingwe chamkuwa ndi kuwala kwa fiber, zomwe zingathe kupulumutsa nthawi ndi mphamvu;
* Amapereka mlatho pakati pa mkuwa wapakati ndi optical fiber medium, zomwe zikutanthauza kuti zidazo zitha kugwiritsidwa ntchito ngati mlatho pakati pa chingwe chamkuwa ndi zida zama fiber.

Kawirikawiri, ma transceivers a fiber optic amapereka njira yotsika mtengo yowonjezera mtunda wotumizira wa intaneti yomwe ilipo, moyo wautumiki wa zipangizo zopanda fiber, ndi mtunda wotumizira pakati pa zipangizo ziwiri za intaneti.