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Metropolitan area networks (MAN). Computer and Network Examples

Metropolitan Area Network combines local networks located within a city, and is based on high data rate compounds, implemented on the basis of fiber channels and other digital data transmission channels. Now, with the increasing number of network communities, wireless local area networks based on 802.11b standard are combined into a wireless metropolitan area network consisting of affordable antenna systems and consumer-grade wireless equipment using 802.11a and 802.11b standards.
The vector stencils library Video surveillance contains 15 symbols of electronic closed-circuit television (CCTV) equipment, digital video cameras and recording devices and covert video equipment.
"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.
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." [Closed-circuit television. Wikipedia]
Use the design elements library Video surveillance to design the layout plans of security and access systems, and internal and external video surveillance and security control monitoring systems using the ConceptDraw PRO diagramming and vector drawing software.
The shapes library Video surveillance is included in the Security and Access Plans solution from the Building Plans area of ConceptDraw Solution Park.
Video surveillance symbols
Video surveillance symbols, video multiplexer, video motion detector, video control keyboard, video keyboard, security window screen, alarm, screening device, recorder, push button, motion detector, monitor, manually operated switch, switch, manual, glass break sensor, camera,  pan, tilt, zoom, camera, bi-static beam sensor, automatic monitoring switch, switch, automatic ,