Fiber optic engineering is the process of designing, installing and maintaining the fiber optic cables that support phone and internet communication. Fiber optic cables are cables made with glass fibers. The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube. Prescribed by the PUBLIC UTILITIES COMMISSION OF THE STATE OF CALIFORNIA GENERAL ORDER No. 128 January 2006 (This Page Intentionally Left Blank) Adopted October 17, 1967 Effective December 12, 1967 Decision No. For a complete description, all seven layers consist of: Layer 1 - Physical Layer (the PHY) The electrical and mechanical. A fiber optic cable consists of five basic components: the core, the cladding, the coating, the strengthening fibers, and the cable jacket. In telecommunications, fiber optic technology has virtually replaced copper wire in long-distance telephone lines, and it is used to link computers within local area networks.
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