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Columbia ISA home – › Wiring Diagrams  A technology that uses glass or less expensive clear plastic threads (fibers) to transmit information. A fiber optic cable consists of a bundle of glass (or plastic) threads, each of which is capable of transmitting messages modulated onto light waves. Fiber optics has several advantages over traditional copper communications lines: o Fiber optic cables have a much greater bandwidth. This means that they have the potential to carry more information. * Fiber optic cables are less susceptible to electromagnetic interference. o Fiber optic cables are much thinner and lighter than copper electrical wires. * Data can be transmitted digitally (the natural form of computer data) rather than in analog form. The main disadvantage of fiber optics is that the cables are more fragile than wire and are difficult to splice. Fiber optics is a particularly popular technology for local-area networks. In addition, telephone companies are steadily replacing traditional copper telephone lines with fiber optic cables. In the future, almost all communications will employ fiber optics. While fiber optic cable is useful for long distance communication, the light signals are generally converted back to electrical signals so they can be used by electronic devices. This conversion is accomplished by the photodiode, a semiconductor sensitive to light. • Surround Sound over HDMI • How to hookup surround sound • Surround Sound Glossary • How to add great sound to HDTV - Sound Bar • How to add great sound to HDTV • Surround Sound connections • Audio Video Cable Types • Cable Connections - hookup • How to connect DVD player • See over 100 hookup diagrams |
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