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Time Domain Reflectometer

   Also found in: Acronyms, Wikipedia 0.01 sec.
(hardware, networking)Time Domain Reflectometer - (TDR) An electronic device for detecting and locating short- or open-circuits in an Ethernet cable. TDRs can also measure how the characteristic impedance of a line varies along its length.


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It also provides an overview of the various segments of the market, namely, optical time domain reflectometers (OTDR), optical light sources (OLS), optical power meters (OPM), optical loss test sets (OLTS), remote fiber test systems (RFTS), dense wave division multiplexing (DWDM) systems, and optical spectrum analyzers (OSA).
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An optical time domain reflectometer can tell you how far away the fiber is broken or damaged.
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This is because the demand for optical time domain reflectometers (OTDRs) is increasing largely with the growing uptake of high definition television (HDTV), Internet protocol-based television (IPTV), fiber to the curb, home, and premise (FTTx) as well as other fiber-optic based technologies.
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