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Fundamentals ofTelecommunications Systems

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• Telecommunication system

• Telecommunication

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it is the transmission, emission, or reception of signs, signals, writing, images, sounds, or information of any nature by wire, radio, optical, or other electromagnetic systems.

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Telecommunication

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uses electricity, light (visible and infrared), or radio waves to transmit signals that carry voice and data transmissions. It maybe analog or digital.

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Telecommunication system

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collection of communication equipment and devices that are interconnected so they can communicate in order to share data, hardware, and software or perform an electronic function

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Telecommunication Networks

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The network includes a series of connecting points called

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Nodes

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describes the configuration of a network, including its nodes, connecting cables and equipment. It describes the manner in which the cable is run to individual workstations on the network

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Network topology

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4 Transmission Media

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Cable

Coaxial cable or coax

Optical fibers

Wireless

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it is the most common medium through which voice and data usually move from one network device to another

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cable

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type of electrical cable consisting of an inner conductor surrounded by a concentric conducting shield,

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Coaxial cable or coax –

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is a term used to describe telecommunications in which electromagnetic waves (instead of some form of wire) carry the signal

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wireless

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– are long, thin strands of very pure silicon glass or plastic about the diameter of a human hair.

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optical fibers

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STRUCTURED BUILDINGTELECOMMUNICATION SYSTEMS

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Telecommunication cabling

Pathway

Backbone

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medium through which voice and data move from one telecommunication device to another.

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Telecommunication cablin

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it is a passageway, and thus a path, for cable to travel when interconnecting devices, components, and equipment in a telecommunication system

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Pathway

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is a generic term used to describe a main pathway or cabling media that interconnects a number of telecommunication devices.

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Backbone

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it is the cabling, devices, and equipment that integrate the voice, data, video, and electronic management systems of a building

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Structured cabling system

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Subsystems of Structured Cabling Systems

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Interbuilding backbone

Building entrance facility

Telecommunications equipment room

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it is the cabling and pathways outside of the building. It caries telecommunication services to the building

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Interbuilding backbone

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it is an entrance to the building for both public and private network service cables. It includes the cables, connecting hardware, protection devices, and other equipment needed to connect the interbuilding backbone cabling to the backbone cabling in the building

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Building entrance facility

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it is a Centralized space for housing main telecommunications equipment.

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Telecommunications equipment room

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dedicated room on each floor in a building that houses intermediate voice and data telecommunications equipment and related cable connections.

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Telecommunications closet

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it connects the entrance facilities/equipment room to the telecommunications closets for cabling that interconnects equipment and devices in these spaces.

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Backbone pathway

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connect the backbone cabling entering the telecommunications closet with the terminal equipment in the work area (e.g., computers, data terminals, telephones, and so on)

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Horizontal pathways

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is the space containing workstation (terminal) equipment and components

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Work area