Monday, July 19, 2010
attenuation crosstalk ratio
Also known as headroom, attenuation crosstalk ratio (ACR) is the difference between attenuationcrosstalk at a given frequency along a cable. Measured in decibels, ACR is a calculation used in networking transmission to assure that a signal transmitted across a twisted-pair cable is stronger at the receiving end than any interference signals imposed on that same pair by crosstalk from adjacent pairs. and
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