TIA publishes new optical fiber test procedure standard

June 17, 2003
June 17, 2003 - Procedure helps determine the circular runout of the ferrule hole in the end of an optical fiber.

The Telecommunications Industry Association has published a new optical fiber test procedure standard.

The standard is: fiber optic test procedure (FOTP)-135, Measurement of Connector Ferrule Inside and Outside Diameter Runout, TIA-455-135.

The procedure is designed to determine the circular runout of the ferrule hole in the end of an optical fiber connector ferrule relative to the ferrule's outer surface. The accuracy of the method is controlled by the linear standard used to calibrate the line spacing on the reticle or by the calibration of the roundness or height measuring instrument.

Both accuracy and precision of all three methods are affected by the cleanliness of the part and the test apparatus. Test method 1 does not generate an absolute value for the circular runout, but defines an upper value under which the circular runout is bounded.

This procedure is applicable only to optical fiber connectors with cylindrical features.

The TIA is based in Arlington, VA. For more information visit www.tiaonline.org.

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