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ELFEXT

   Also found in: Acronyms 0.01 sec.
ELFEXT
(Equal Level FEXT) A calculation that normalizes the results of a FEXT measurement, because it takes attenuation into account. It is derived by subtracting the attenuation of the interfering pair from the far end crosstalk (FEXT) that it has caused in the interfered pair. See FEXT.


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Field certification of installed twisted-pair cabling for 10GBASE-T includes all the test parameters that are currently specified in the TIA/EIA-568-B document for Category 6: insertion loss, return loss, pair-to-pair near-end crosstalk (NEXT), power sum NEXT, pair-to-pair equal level far-end crosstalk (ELFEXT), power sum ELFEXT, propagation delay, length and delay skew.
The advanced features of the LT 8600 include headroom measurement, Return Loss, Power Sum NEXT, ACR, and ELFEXT tests up to 300 MHz.
The additional parameters include PSNEXT, ELFEXT, PSELFEXT and Return Loss.
 
 
 
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