What is a media tester?
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What is a media tester?
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A media tester, also called a media certifier, is an electronically programmed device that is used to perform a variety of tests on an installed cable. It tests for shorts, open circuits, transposed wire pairs, attenuation, and various types of crosstalk. A media tester compares the results with standards programmed into the unit, and displays the result in the form of pass or fail readouts for each test.
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