Closed-circuit television (CCTV) systems have two main types - wired and wireless. The most important elements of a CCTV system are cameras, lenses, monitors, and a digital video recorder. CCTV systems are used for security in various locations like homes, offices, hospitals and stores. They have advantages like crime deterrence and evidence gathering but also disadvantages like privacy issues and vulnerability.

1. CCTV SYSTEM(Closed - Circuit Television System)
MF. Muhammed
JF/BST/17/F/1/0012
Building Services Technology

2. What is CCTV System?
Closed Circuit Television: Also
known as video surveillance, it is the
use of video cameras to transmit a
signal to a specific place, on a
limited set of monitors.

3. What are the Types Of CCTV
System?
CCTV Systems are broadly divided
into Two Types. There are,
Wired CCTV System
Wireless CCTV System

4. What are the Most Important
Elements of CCTV System?
Camera
Lens
Monitor
DVR

5.  MONITOR:
A Monitor/ Other Option for Viewing the live and recorded footage.
 DVR:
(Digital Video Recorder) It is Key part of CCTV System.
It is a device to connect Analog and HD Camera which has BNC connector and
record in require area where camera has installed and located.
It is help to watch live camera over internet in anywhere in the world.
 Coaxial Cable:
 It is use to connect the CCTV to DVR.
 Connectors:
 RJ45 – For Coaxial Cable
 BNC – For Ethernet Cable

6. What is Wired CCTV System?
OWired CCTV is a range of security products that are ideal for
Residential and Commercial Building Application by
Installing a CCTV System.
OYou can protect a property and improve your peace of mind.
OCCTV Cameras act as a visual deterrent allow you to
computer.

7. What is Wireless CCTV System?
OWireless security camera are closed - security television
cameras that transmit a video and audio signal to a wireless
receiver through a radio band.
OMany wireless security cameras require at least one cable or
wire for power, “Wireless” refers to the transmission of
Video/Audio.

8. What are the types of CCTV Camera?
OIndoor Camera
OOutdoor Camera
OIR Day/Night Camera
ODome Camera
OBullet Camera
OVander Proof Camera
OHidden Camera
OPan Tilt Zoom Camera

9. Indoor Camera
 Its used in Indoor security Mechanisms.
 There are used in Homes, Hospitals, Schools, Offices,
Hotels, Apartments etc.

10. Outdoor Camera
 Its used in Outside Places.
 They are mostly used for entry and exit points with
limited night lighting.

11. IR Day Camera/ Night Camera
 These are used for high alert areas security areas were
surveillance needs happened day and night.
 These Cameras are used by military personal, in
parking a lot and high security zones.

12. Dome Camera
 Its can be Rotated and Tilted Manually
 Its used in Public place like a railway station and other
areas where is a huge people gathering of people.

13. PTZ (Pan Tilt Zoom) Camera
 It’s a camera that is capable of remote directional and
zoom control.
 In television production, PTZ controls are used with
professional video cameras in television studios and
other spaces.

14. Bullet Camera
 It is a type camera often used in surveillance system.
 Require long distance viewing.

15. What are the Applications of
CCTV System?
OHospitals
OOffices
OHistoric Places
OHoliday Sites
OSuper markets
OParks/ Bars/ Night clubs
OReception Area
ONumber Plate Recording

16. What are the Advantages &
Disadvantages of CCTV System?
OAdvantages:
 Deter Crime.
 Monitor Scenarios and Activities.
 Gather Evidence.
 Arrive at Right Decisions.
 Maintain Records.
ODisadvantages:
 Privacy is an issue.
 It can be costly affair.
 Can’t stop theft.
 They can be Vulnerable.

17. ANY QUESTIONS?