10F: Bi-directional Loss & ORL Measurement
Using a Pair of Two-way LTS

Written by Bruce Roberson 97-03. © Kingfisher International

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This method is the fastest and most accurate method for any link. The method of operation is a simplified version of Example 3:

Light Source and Power Meter Procedure


Fiber Link to test Connectorised link
Optical Test Cordage Patch Cord
Optical through connector Through adaptor
Optical light source for loss testing Source, incl. mandrel wrap if multimode
opical testing meter Meter
system under test DUT Device Under Test (system being tested)

[instructions on use of the relative mode are in italics]