HELP! * GREY=local LOCAL HTML version of Foils prepared 31 January97

Foil 3 Physical Data Transmission

From Introduction To Multimedia Internet Systems CPS640 MultiMedia and WWW -- Spring 97 Semester. by Marek Podgorny * See also color IMAGE
Terrestrial media: metallic cables and optical fibers
  • metallic cables: coaxial cables and twisted pair cables
    • carrier: electrical pulses
    • problems: signal attenuation, noise, bandwidth and length limitations, price
  • optical fiber
    • carrier: modulated light
    • problems: expensive end optic
    • advantages: high bandwidth, sleuth-resistant, long distance

Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

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