Overview of Fiber Optic Transmission Methods
Transmission Basics
Fiber provides a pipeline that can carry large amounts of data. Alternatives to fiber optics include over-the-air broadcast and hard-wired metallic wires carrying electrons. Figure 4.1 explains these transmission schemes.
Metallic transmission uses a copper wire or coaxial cable to carry a modulated electrical signal. This allows the transmission of an unlimited number of private channels (assuming you have that much copper cable); however, each channel can carry only a limited amount of information due to the inherent characteristics ...
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