Proceedings PaperApplication Of Fiber Optics To Computer Systems
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The use of fiber optic communications in a modern computing system is investigated. The scope of this paper is limited to intraunit interconnection and the inplant network. The inherent properties (e.g., electromagnetic compatibility, ground level dependence, volume reduction, data rate, delay, etc.) are discussed in relation to the area of usage within a computing system. The evaluation of these properties indicates that the initial usage of fiber optics will probably occur for interunit inplant network interconnection. It is shown that the associated signal delay of a fiber optic link as well as the dissimilar materials technologies will preclude the initial use of fiber optics for intraprocessor interconnection. A representative local inplant data network is analyzed with respect to data requirements and equipment complement. This configuration is used as a basis for implementation of a fiber optic data communication network. Various fiber optic interconnection configurations (e.g., point-to-point, star, multidrop and bus) are investigated. The advantages/disadvantages of these configurations are analyzed and com-parisons made with respect to total cable length and optical loss. This analysis indicates that point-to-point Space Division Multiplexed and Star data configurations are viable in fiber optics interconnection techniques.