Practical 6
6.
What is CCTV networking structure? Explain.
Nowadays everyone talk about CCTV facility for
security purpose, but still they don’t know what the full form of CCTV is. The
full form of CCTV is Closed – Circuit Television.
Basic
components require for CCTV network are
- Cameras: The security cameras of a CCTV system
- DVR: The security DVR is the heart of a CCTV system.
- CCTV Cable.
- BNC Connectors (Bayonet Neill–Concelman connectors)
- CCTV Power Supply
- Tools
Basic
components require for wireless CCTV network are
- Wireless Cameras
- IP Camera and Wireless Antenna/Transceiver
- Network Video Recorder (NVR)
- Wireless Access Point
- Outdoor Wireless Systems
- Wireless Transceiver
- Omni-directional Antenna
- PoE Injectors
History of
CCTV
The first CCTV system was installed by Siemens AG in Germany
in 1942, for observing the launch of V-2 rockets Walter Bruch a German engineer
was responsible for design and installation of the system. And in the U.S. the
first commercial CCTV system became available in 1949, called Vericon. Later it
spread across the world.
Definition of CCTV
CCTV is a device which is commonly used for the security
purpose. It is used for recording or capturing the live footage. This CCTV
camera is attached with DVR (Digital Video Recorder) for storage of recorded
footage and to DVR LED is attached for live display.
Working of CCTV
CCTV is closed
circuit Television, means the video recorded cannot be transmitted to an outside
device. CCTV cameras, LED and recorders all are connected to provide instantaneous
access to security footage. CCTV allows you to watch live recording of whatever
is being recorded. The CCTV footage recorded can be stored, for future purpose.
CCTV cameras are generally small and unremarkable. They can be placed either on
the exterior or interior of a building.
Applications for CCTV
Nowadays CCTV are used everywhere
for the security purpose. Some of the area where CCTV are being used are
- Banks
- Shops and small offices
- Hospitals
- Hotels
- In Industries
- Cross Roads
- School and colleges and within the campus
Different
Types of CCTV cameras are
Advantages of CCTV Cameras
- CCTV plays an important role in crime detection by providing footage evidence.
- One can monitor the business from anywhere.
- Customers entering a shop who know that shop is equipped with CCTV is less likely to steal.
- Members of any organization feel safer of being assaulted.
- House owner feel safer if house is equipped with CCTV.
- It helps in finding missing people and saving their lives.
- It helps in preventing the accidents.
Thank u sir
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