TECHNOLOGY GUIDE FOUR Basics of Telecommunications and Networks.

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Presentation transcript:

TECHNOLOGY GUIDE FOUR Basics of Telecommunications and Networks

Analog and Digital Signals

Typical Telecommunications System

Communications Media and Channels Twisted-pair wire Coaxial cable Fiber optics

Twisted Pair Wire

Coaxial Cable

Fiber Optics CableCable

Transmission Speed Bandwidth Narrowband Broadband

Transmission Technologies Integrated Services Digital Network Digital Subscriber Line Asynchronous Transfer Mode Synchronous Optical Network T-Carrier System

Types of Networks A computer network is a system that connects computers via communications media so that data can be transmitted among them. Local area networks Wide are network Value-added network Enterprise network

Local Area Network

Enterprise Network

Network Fundamentals Network Protocol Ethernet Transmission Control Protocol/Internet Protocol Types of Network Processing Client/server Peer-to-Peer processing

Packet Switching

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