A recent "Hands-On Hints" video from the Fiber Optic Association (FOA) shows how an optical time-domain reflectometer (OTDR) is used for testing optical fiber. The video demonstrates the difference in traces according to how one sets up the OTDR test parameters for fiber-optic network performance.

Watch the video here.

See also:Why the FOA is creating its own standards for installers and users

Polishing fiber connectors: Move back to move forward