fiber optics foa - class feb 06

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Fiber Optics - Transmission of information over glass/plastic. Important due to: Economics Cost less to install and maintain Speed Distance Weight/size Freedom from interference (electrical) Electrical isolation Security difficult to tap in without being de tected Fiber has more capacity Bandwidth fiber can carry more communications than copper Applications include: Telecommunications (including wireless) Internet LANs CATV for voice, video and internet connections Utilities management of power grid Security CCT V closed circuit TV & intrusion sensors Military pressure sensors (eg. Step on fiber, at tenuation occurs & sends loss or lower sig nal to base) Fiber optics is the least expensive, most reliable method for high speed and/or long distance communications.

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8/8/2019 Fiber Optics FOA - Class Feb 06

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