The target of this article is to tell how does CCTV camera work? For those clients who just start to do business on security systems. They may not be familiar with this technological process.
Firstly , typical closed-circuit monitoring system is mainly composed of camera parts, transmission parts, control and record and display the part of four large composition.
Camera part( we also called CCTV camera or IP camera)
Transmission parts( CCTV cable and BNC connectors)
Control and record part(Digital video recorder or network video recorder)
Display part (Normal Monitor or LCD monitor)
Camera part( we also called CCTV camera or IP camera)
Transmission parts( CCTV cable and BNC connectors)
Control and record part(Digital video recorder or network video recorder)
Display part (Normal Monitor or LCD monitor)
Secondly, after connect above parts, we need connect power supply, normally 12V 250-500mA for CCTV camera; 12V 4A for 4CH DVR, if the CCTV cable up to 50m, the Power supply need 1A, the image showed on Monitor will be with good color.
Thirdly, we can set the parameters on DVR to control Camera, now, many clients choose High speed dome camera, the Module can move around. Both DVR & Keyboard can control PTZ, very convenient and easy operation for High project.
Lastly, the Camera without IR led, at night, can’t catch the object. Only camera with IR led will see the object at the day and night time. At the day time, the color showed in color; at the night time, the IR cut will open, then the image will turn black and white.
Lastly, the Camera without IR led, at night, can’t catch the object. Only camera with IR led will see the object at the day and night time. At the day time, the color showed in color; at the night time, the IR cut will open, then the image will turn black and white.
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