Kule mihla, uphononongo lwevidiyo sisixhobo esiyimfuneko kuzo zonke iindlela zobomi.Ukwakhiwa kweenkqubo zokucupha iividiyo zothungelwano kwenza kube lula ukubeka iliso kwiindawo zoluntu kunye nokufumana ulwazi.Nangona kunjalo, ngokuthandwa kwenkcazo ephezulu kunye nezicelo ezihlakaniphile zeekhamera zokujonga ividiyo, iimfuno zomgangatho wesignali yokuhanjiswa kwevidiyo, i-bandwidth yomsinga kunye nomgama wokuhambisa uphuculwe, kwaye iinkqubo ezikhoyo zobhedu zinzima ukuhambelana.Eli nqaku liza kuxubusha isicwangciso esitsha socingo esisebenzisa i-fiber optical fibre kunye ne-transceivers optical, engasetyenziselwa kwiinkqubo zokubeka iliso ze-TV (CCTV) kunye ne-IP network monitoring systems.

Isishwankathelo senkqubo yokucupha ividiyo

Namhlanje, iinethiwekhi zokucupha iividiyo ziya zithandwa ngakumbi, kwaye kukho izisombululo ezininzi zokwakha iinkqubo zokujonga ividiyo.Phakathi kwabo, ukubeka iliso kweCCTV kunye nokubeka iliso kwikhamera ye-IP zezona zisombululo ziqhelekileyo.

Inkqubo yokuhlola kamabonakude evaliweyo (CCTV)
Kwinkqubo yokucupha umabonwakude ovaliweyo, ikhamera ye-analog esisigxina (CCTV) iqhagamshelwe kwisixhobo sokugcina (njengekhasethi irekhoda yevidiyo yeVCR okanye i-digital hard disk video recorder DVR) ngekhebula le-coaxial.Ukuba ikhamera yikhamera ye-PTZ (ixhasa ukujikeleza okuthe tye, i-tilt kunye ne-zoom), isilawuli esongezelelweyo se-PTZ kufuneka sifakwe.

Inkqubo yokucupha ividiyo yenethiwekhi ye-IP
Kwinethiwekhi ye-IP eqhelekileyo yokucupha ividiyo yenethiwekhi, iikhamera ze-IP ziqhagamshelwe kuthungelwano lwendawo yendawo ngeentambo ezingakhuselekanga eziphothiweyo (oko kukuthi, uDidi 5, uDidi 5, kunye nezinye ii-jumpers zenethiwekhi) kunye nokutshintsha.Ihluke kwiikhamera ze-analog ezikhankanywe ngasentla, iikhamera ze-IP zithumela kwaye zifumane ii-datagrams ze-IP ngenethiwekhi ngaphandle kokuzithumela kwizixhobo zokugcina.Ngelo xesha, ividiyo ethathwe kwiikhamera ze-IP irekhodwa kuyo nayiphi na i-PC okanye iseva kwinethiwekhi.Into enkulu ye-IP network network surveillance network kukuba ikhamera nganye ye-IP inedilesi yayo ye-IP ezimeleyo, kwaye inokuzifumana ngokukhawuleza. ngokusekelwe kwidilesi ye-IP kuyo yonke inethiwekhi yevidiyo.Ngexesha elifanayo, ekubeni iidilesi ze-IP zeekhamera ze-IP ziyakwazi ukuphendulwa, zinokufumaneka kuwo wonke umhlaba.

Imfuneko ye-fiber optical transceiver kwi-CCTV/IP network network surveillance system

Zombini ezi nkqubo zokucupha iividiyo ezikhankanywe ngasentla zingasetyenziswa kwiindawo zorhwebo okanye zokuhlala kwinethiwekhi.Phakathi kwazo, iikhamera ze-analog ezisisigxina ezisetyenziswa kwi-CCTV ngokubanzi zisebenzisa iintambo ze-coaxial okanye iintambo eziphothiweyo ezingakhuselekanga (ngaphezulu kwecandelo leentambo zenethiwekhi ezintathu) zokudibanisa, kunye neekhamera ze-IP ngokubanzi zisebenzisa iintambo eziphothiweyo ezingakhuselekanga (ngaphezulu kwecandelo leentambo zenethiwekhi ezintlanu) ukudibanisa.Ngenxa yokuba ezi zikimu zimbini zisebenzisa i-copper cabling, zingaphantsi kwi-fiber cabling ngokomgama wothumelo kunye ne-network bandwidth.Nangona kunjalo, akukho lula ukutshintshela i-copper cabling yangoku kunye ne-optical fiber cabling, kwaye kukho le mingeni ilandelayo:

*Iintambo zobhedu zidla ngokulungiswa eludongeni.Ukuba kusetyenziswa iintambo zamehlo, iintambo zamehlo kufuneka zibekwe ngaphantsi komhlaba.Nangona kunjalo, oku akunakwenzeka kubasebenzisi ngokubanzi.Abachwephesha kufuneka bagqibe ukubeka, kwaye iindleko zocingo azikho phantsi;
* Ukongeza, izixhobo zekhamera zemveli azixhotyiswanga ngamazibuko efiber.

Ngenxa yoku, indlela yokufaka i-fiber optic fiber esebenzisa i-fiber optic transceivers kunye neekhamera ze-analog / iikhamera ze-IP ziye zatsala ingqalelo yabalawuli benethiwekhi.Phakathi kwabo, i-transceiver ye-fiber optical iguqula isibonakaliso sombane sokuqala kwisignali ye-optical ukuqonda ukudibanisa kwentambo yobhedu kunye ne-fiber optical.Inezi ncedo zilandelayo:

* Akukho mfuneko yokuhambisa okanye ukuguqula i-wiring ye-copper yangaphambili, qaphela nje ukuguqulwa kwe-photoelectric ngokusebenzisa i-interfaces ehlukeneyo kwi-transceiver ye-fiber optical, kwaye udibanise intambo yobhedu kunye ne-fiber optical, enokugcina ngokufanelekileyo ixesha kunye namandla;
*Ibonelela ngebhulorho phakathi kobhedu oluphakathi kunye ne-optical fiber medium, okuthetha ukuba izixhobo zingasetyenziswa njengebhulorho phakathi kwentambo yobhedu kunye neziseko zophuhliso lwefiber optical.

Ngokubanzi, i-fiber optic transceivers ibonelela ngendlela eneendleko zokwandisa umgama wokuhanjiswa kwenethiwekhi ekhoyo, ubomi benkonzo yezixhobo ezingezizo i-fiber, kunye nomgama wokuhambisa phakathi kwezixhobo ezimbini zenethiwekhi.