Basic CCTV System Diagram. CCTV Network Diagram Example

"Closed-circuit television (CCTV) is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point to point (P2P), point to multipoint, or mesh wireless links. Though almost all video cameras fit this definition, the term is most often applied to those used for surveillance in areas that may need monitoring such as banks, casinos, airports, military installations, and convenience stores. Videotelephony is seldom called "CCTV" but the use of video in distance education, where it is an important tool, is often so called.
In industrial plants, CCTV equipment may be used to observe parts of a process from a central control room, for example when the environment is not suitable for humans. CCTV systems may operate continuously or only as required to monitor a particular event. A more advanced form of CCTV, utilizing digital video recorders (DVRs), provides recording for possibly many years, with a variety of quality and performance options and extra features (such as motion detection and email alerts). More recently, decentralized IP cameras, some equipped with megapixel sensors, support recording directly to network-attached storage devices, or internal flash for completely stand-alone operation. Surveillance of the public using CCTV is particularly common in many areas around the world. In recent years, the use of body worn video cameras has been introduced as a new form of surveillance. ... In the United States, closed-circuit television is used for school security to monitor visitors, track unacceptable student behavior and maintain a record of evidence in the event of a crime. There are some restrictions on installation, cameras may not be used in an area where there is a "reasonable expectation of privacy". Examples of these are bathrooms, gym locker areas and private offices (unless consent by the office owner is given). Сameras are generally acceptable in hallways, parking lots, front offices where students, employees, and parents come and go, gymnasiums, cafeterias, supply rooms and classrooms. The use of cameras in classrooms is often debated by teachers who want cameras for protection and teachers who do not." [Closed-circuit television. Wikipedia]
The floor plan example "Video surveillance scheme" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Security and Access Plans solution from the Building Plans area of ConceptDraw Solution Park.

The vector stencils library "Video and TV" contains 24 clipart images of video and TV devices and digital gadgets.
Use these shapes for drawing illustrations of home and office video and TV systems, home entertainment systems, closed-circuit television (CCTV) surveillance systems.
"Video is an electronic medium for the recording, copying and broadcasting of moving visual images." [Video. Wikipedia]
"Digital video is a type of digital recording system that works by using a digital rather than an analog video signal.
The terms camera, video camera, and camcorder are used interchangeably in this article." [Digital video. Wikipedia]
"Digital television (DTV) is the transmission of audio and video by digitally processed and multiplexed signal, in contrast to the totally analog and channel separated signals used by analog television." [Digital television. Wikipedia]
The clip art example "Video and TV - Vector stencils library" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Audio, Video, Media solution from the Illustration area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ illustrations-audio-video-media

The vector stencils library "Access and security" contains 17 clipart images of access control and security system equipment which you can easy use in your diagrams and illustrations.
"Physical security describes security measures that are designed to deny unauthorized access to facilities, equipment and resources, and to protect personnel and property from damage or harm (such as espionage, theft, or terrorist attacks). Physical security involves the use of multiple layers of interdependent systems which include CCTV surveillance, security guards, protective barriers, locks, access control protocols, and many other techniques." [Physical security. Wikipedia]
The clip art example "Access and security - Vector stencils library" was created in the ConceptDraw PRO diagramming and vector drawing software using the Presentation Clipart solution from the Illustration area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ illustrations-presentation-clipart

The vector clipart library Video and TV contains 24 images of video and TV devices and digital gadgets, photo and video cameras, DVD players, projectors and screens.
Use the vector stencils library Video and TV to draw illustrations of digital photo and video gadgets, HD and 3D television systems, home entertainment systems, closed-circuit television (CCTV) surveillance systems using the ConceptDraw PRO diagramming and vector drawing software.
"Video is an electronic medium for the recording, copying and broadcasting of moving visual images." [Video. Wikipedia]
"An electronic visual display is display technology which incorporates flat panel displays, performs as a video display, output device for presentation of images transmitted electronically, for visual reception, without producing a permanent record.
Common applications for electronic visual displays used to be television sets or computer monitors, but these days electronic visual displays tend to be ubiquitous as interface for large amounts of visual information in mobile computing applications like portable information communication technology devices." [Electronic visual display. Wikipedia]
"A digital camera (or digicam) is a camera that encodes digital images and videos digitally and stores them for later reproduction. Most cameras sold today are digital, and digital cameras are incorporated into many devices ranging from PDAs and mobile phones (called camera phones) to vehicles." [Digital camera. Wikipedia]
The design elements library Video and TV is included in the Audio, Video, Media solution from the Illustration area of ConceptDraw Solution Park.

"In software and systems engineering, a use case is a list of steps, typically defining interactions between a role (known in Unified Modeling Language (UML) as an "actor") and a system, to achieve a goal. The actor can be a human or an external system.
In systems engineering, use cases are used at a higher level than within software engineering, often representing missions or stakeholder goals. The detailed requirements may then be captured in Systems Modeling Language (SysML) or as contractual statements.
As an important requirement technique, use cases have been widely used in modern software engineering over the last two decades. Use case driven development is a key characteristic of process models and frameworks like Unified Process (UP), Rational Unified Process (RUP), Oracle Unified Method (OUM), etc. With its iterative and evolutionary nature, use case is also a good fit for agile development." [Use case. Wikipedia]
The template "UML use case diagram" for the ConceptDraw PRO diagramming and vector drawing software is included in the Rapid UML solution from the Software Development area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ software-uml