CCTV is an abbreviation for closed-circuit television. CCTV is a monitoring system used to capture footage and transmit TV signals to a controlled number of screens. It is mainly used in businesses and public places for security purposes. Usually, a CCTV system has three main parts: monitor, camera, and recording system.
The working of a CCTV.
The three basic parts work hand in hand for complete and quality video monitoring. Generally, the basic working principle of a CCTV is to capture footage using the security cameras and sending the signals to the recorder for storage and then displaying the video on specified monitors. However, the working of a CCTV depends on the type of camera used and the video recorder.
There are three types of cameras: wired cameras, analogue cameras, and IP cameras. These cameras work differently but with a similar end goal.
- Wired cameras.
These cameras involve the use of transmission cables to send the camera footage. However, for longer transmission distances exceeding 300 metres, the signal can become weak. Signal boosters are used to overcome this problem.
- Analogue cameras.
These are the most popular CCTV cameras and the most installed. Their working involves the basic functions only and stores the video footage onsite.
- IP cameras.
These are more advanced cameras with great capability. They have a number of improved features like remote zoom, higher resolution images, repositioning, and internet footage view.
How to install a CCTV.
Step 1. Planning.
The first step is to plan for your CCTV installation. This helps in picking the right points to install the camera and the recorder. This ensures maximum footage coverage as well as minimizing the transmission cable length. For indoors, choose the corner with the best view and coverage. For outdoors, choose a high position that covers the door, windows, and any other entry point.
Step 2. Mounting the camera.
This involves mounting the camera in the desired position. Using a drill and a hammer, mount the screw mouldings and then firmly screw the camera in position. Connect the power cable.
Step 3. Mount the recorder.
At the desired position for the recorder, mount your recorder using a drill and hammer. Remember this is where all the information is recorded. Therefore, it is important to have a locked compartment for security purposes.
Step 4. Place the screen.
Place the screen at the desired position. The screen can either be mounted on the wall or placed on a desk.
Step 5. Manage the cables.
This is also an essential thing. Create a pathway for the transmission cables from the camera to the recorder and from the recorder to the screen. To keep the wires safe and secure, use wire mouldings.
Step 6. Connect the cables.
Finally, connect the cables appropriately. Remember that a BNC port is used to connect the video cable.
How can CCTV help homes and businesses?
- Keeping records.
Record keeping is a very important thing, especially in business. CCTV will help you to keep records of each and every activity happening in and around your home or business.
Security is the main purpose of a CCTV. CCTV will help you to detect and trace crimes done in and around your business or home.
CCTV will help you to easily monitor all the activities happening in your home or business.