Crosstalk Noise

NEXT (Near-end Crosstalk)
Signal coupling between pairs in the same cable when the disturbing signal is sent from the same end as the receiver.
FEXT (Far-end Crosstalk)
Signal coupling between pairs in the same cable when the disturbing signal is sent from the opposite end as the receiver.
Alien Crosstalk
A measure of the unwanted signal coupling between pairs in adjacent cabling.
Power Sum Alien Crosstalk
A combination of the unwanted signal cabling between all pairs in adjacent cabling.
Near-end Crosstalk
Near-end Crosstalk
Alien Crosstalk
Alien Crosstalk
Far-end Crosstalk
Far-end Crosstalk
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