Kule mihla, uphononongo lwevidiyo sisixhobo esiyimfuneko kuzo zonke iinkalo 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.

Isishwankathelo senkqubo yokucupha ividiyo
Namhlanje, iinethiwekhi zokucupha iividiyo ziya zithandwa ngakumbi, kwaye kukho izisombululo ezininzi zokwakha iinkqubo zokujonga ividiyo. Phakathi kwabo, ukucupha i-CCTV kunye nokucupha ikhamera 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. Ngokungafaniyo neekhamera ze-analog ezikhankanywe ngasentla, iikhamera ze-IP zithumela kwaye zifumane iidathagram ze-IP ngenethiwekhi ngaphandle kokuzithumela kwizixhobo zokugcina. Ngexesha elifanayo, ividiyo ebanjwe yikhamera ye-IP irekhodwa kuyo nayiphi na i-PC okanye iseva kwinethiwekhi. Eyona nto inkulu ye-IP network network surveillance network kukuba ikhamera ye-IP nganye inedilesi yayo ye-IP ezimeleyo, kwaye inokukhawuleza ifumaneke 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 zenethiwekhi zorhwebo okanye zokuhlala. Phakathi kwazo, iikhamera ze-analog ezisisigxina ezisetyenziswa kwi-CCTV ngokubanzi zisebenzisa iintambo ze-coaxial okanye iintambo eziphothiweyo ezingakhuselekanga (ngaphezulu kwecandelo leentambo zenethiwekhi ezintathu) ukudibanisa, kunye neekhamera ze-IP ngokubanzi zisebenzisa iintambo eziphothiweyo ezingakhuselekanga (ngaphezulu kweentambo zenethiwekhi ezintlanu) ukudibanisa. Ekubeni zombini ezi zicwangciso 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 usebenzisa iifiber optical, kufuneka ubeke iintambo zamehlo ngaphantsi komhlaba. Nangona kunjalo, oku akunakwenzeka kubasebenzisi ngokubanzi. Abachwephesha kufuneka bagqibe ukubeka, kwaye iindleko zocingo azikho phantsi;
* Ukongeza, izixhobo zekhamera zemveli azixhotyiswanga ngamazibuko efiber optical.

Ngenxa yoku, indlela ye-fiber optical fiber esebenzisa i-transceivers ye-fiber optical 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;
*Bonelela ngebhulorho phakathi kobhedu oluphakathi kunye ne-optical fiber medium, okuthetha ukuba isixhobo sinokusetyenziswa 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.