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3 Cards in this Set
- Front
- Back
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What is a TDR? What can they do? |
Time Domain Reflectometer. They can Estimate Cable Lengths They can tell if the wire has been spliced and where the splice is. How much signal loss there is and cable impedance information Can also certify Cable installation correctness |
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What is a OTDR? What can they do? |
Optical Time Domain Reflectometer. They can Estimate Cable LengthsThey can tell if the wire has been spliced and where the splice is.How much signal loss there is and cable impedance informationCan also certify Cable installation correctness |
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How do these work? |
TDR send an electrical pulse and waits for a bounce back OTDR sends light and waits for a bounce back |
