Installation guide of network digital monitoring system

Taking the network digital monitoring system as an example, the installation of monitoring equipment requires cameras, video recorders, monitors or monitors, switches, routers, network cables, power cables, crystal heads, camera brackets and camera power supplies. You might as well buy a 300,000-pixel camera. The most important thing about the camera is its actual use, which is enough. At present, the 300,000-pixel real camera on the market is the most suitable.

camera

Camera or webcam, also known as computer camera, computer eye, electronic eye, etc. , a video input device, is widely used in video conferencing, telemedicine and real-time monitoring. Ordinary people can also have video and audio conversations and communicate with each other on the Internet through the camera.

video recorder

It is used to record TV images and sounds, store TV program video signals, and then send them back to the TV transmitter or directly to the tape recorder in the TV.

director

Also known as the monitor. A monitor is an I/O device belonging to a computer, that is, an input/output device. It is a display tool, which displays some electronic files on the screen through a specific transmission device and then reflects them to human eyes. According to the different manufacturing materials, it can be divided into: cathode ray tube display (CRT), plasma display PDP, liquid crystal display LCD and so on.

switchboard

Switch, which means "switch", is a network device used for electric (optical) signal forwarding. It can provide a dedicated electrical signal path for any two network nodes accessing the switch. The most common switch is an Ethernet switch. Other common ones are telephone voice switch and optical fiber switch.

router

It is a device that connects various local area networks and wide area networks in the Internet. It will automatically select and set the route according to the channel conditions, and send signals in turn by the best path. At present, routers have been widely used in all walks of life, and products of different grades have become the main force to realize the internal connection of various backbone networks, the interconnection between backbone networks, and the interconnection between backbone networks and the Internet.