Abstract
The chapter explains the the gap between system requirements and technology in order to arrive at a reasonable understanding of the cost-performance trade-offs for fiber optics in local data communication (LDC) and local area networks (LANs). This chapter discusses that LDC refer to performance, cost, and technology issues for individual links and provide a direct comparison with point-to-point digital telecommunications (DT) links; LAN discussions are related to the interconnection of links to form a network configuration. The chapter presents the ultimate impact of fiber optics on the evolving communication equipment standards; however, trends are becoming apparent. The chapter explores the parameters of the optical medium that are relevant to LDC in some detail. Of the particular importance to overall system performance, is the optical source and the interface between the optical source, and the fiber. This includes such considerations as operating wavelength, optical linewidth, response time, and coupling efficiency. The significance of each of the factors is examined in the chapter.
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