Technique for diagnosis of fiber-optic digital communication link in local-area network of computers based on measurement of bit-error rates. Variable optical attenuator inserted in optical fiber to vary power of received signal. Bit-error rate depends on ratio of peak signal power to root-mean-square noise in receiver. For optimum measurements, one selects bit-error rate between 10 to negative 8th power and 10 to negative 4th power. Greater rates result in low accuracy in determination of signal-to-noise ratios, while lesser rates require impractically long measurement times.


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    Titel :

    Using Bit Errors To Diagnose Fiber-Optic Links


    Beteiligte:
    Bergman, L. A. (Autor:in) / Hartmayer, R. (Autor:in) / Marelid, S. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1989-12-01



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


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