FreeLists / si-list / [SI-LIST] Definition of "crosstalk loss" ??

[agathon <hreidmarkailen@xxxxxxxxx>]

Hello all,
I'm trying to make clearer the following statement from 802.3ap:

"...FEXTn is the crosstalk loss, in dB, of aggressor n."

What the heck is "crosstalk loss"????


The full paragraph is:

69B.4.6.2 Power sum differential far-end crosstalk (PSFEXT)
The differential far-end crosstalk at TP4 is calculated as the power sum of
the individual FEXT aggressors
(PSFEXT). PSFEXT is computed as shown in Equation (69B?16), where FEXTn is
the crosstalk loss, in dB,
of aggressor n. Note that for the case of a single aggressor, PSFEXT will be
the crosstalk loss for that single
aggressor.


Thanks,
Agathon

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