Testing optical fiber links

Details Testing optical fiber links Testing optical fiber links

1990-02-28

1991-12-31

Kuntz, Curtis

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359124, H04J 100, H04B 1000

Patent

active

050777297

ABSTRACT:
An apparatus for testing optical fibre links in a data communication network includes communication equipment (13) for generating and receiving traffic over one or more fibre links X at a wavelength .lambda.2, optical test instrumentation (10) for generating test signals at a wavelength .lambda.1, different from .lambda.2, and circuitry (11) for superimposing a test signal from the test means onto a traffic signal from the communication equipment (13).

REFERENCES:
patent: 4557553 (1985-12-01), McLandrich
patent: 4642804 (1987-03-01), Personik
patent: 4704713 (1987-11-01), Haller et al.
patent: 4834481 (1989-05-01), Lawson et al.
"The Uses of Optical Switches in Fibre Optic Local Area Networks", pp. 7/1-7/4, Mar. 17, 1989, read at a Colloquium on Fibre Optic Lans and Techniques for the Local Loop, by D. K. Hunter et al.

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