Time Domain Reflectometer


Also found in: Acronyms.

Time Domain Reflectometer

(hardware, networking)
(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.
References in periodicals archive ?
Tenders are invited for Purchase Of Cable Fault Locator (Alternatively Known As Time Domain Reflectometer ,Tdr) For Power House Of Cps-Ii, Chamba (Hp)
com)-- An Optical Time Domain Reflectometer (OTDR) is an electronic-optical instrument used to characterize optical fiber.
Optical time domain reflectometer (OTDR) is an opto-electrical device used for optical fiber testing.
Fujikura Europe Ltd, a manufacturer and supplier of fibre optic technology and electronic components, has announced the availability of a new handheld optical time domain reflectometer (OTDR) to enable testing and monitoring of FTTH networks.
THE TIME DOMAIN reflectometer (TDR) is the de facto standard for characterizing the impedance profile and transmission properties of a fabricated circuit board trace.
In particular, the optical time domain reflectometer (OTDR) trace provides a measure of attenuation, reflectance and discontinuities along the entire length of the cable for the fibers under surveillance.
The MW-9070A mini optical time domain reflectometer (OTDR) has been designed to simplify the testing of fiber-optic transmission lines in the field.
New functionality in the fundamental test tool for fiber-optic cable plants--the optical time domain reflectometer (OTDR)--is proving to be a significant source of help for technicians in light of today's market challenges.
The CMA4000 Optical Test System is an optical time domain reflectometer (OTDR) that allows technicians to check the accuracy of fusion splices and the location of fiber-optic breaks.

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