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Additional
time domain reflectometer
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Time-domain reflectometer
A
time-domain reflectometer
(
TDR
) is an electronic instrument that uses
time-domain reflectometry
to characterize and locate faults in metallic cables (for example,
twisted pair wire
or
coaxial cable
). It can also be used to locate discontinuities in a connector,
printed circuit board
, or any other electrical path. The equivalent device for
optical fiber
is an
optical time-domain reflectometer
.
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