Fluke DSP-2000 - Manual (Page 67)

Autotest
Autotest on Coaxial Cable
3
3-19
PSNEXT (Power Sum NEXT; Model DSP-2000)
The PSNEXT results show how much each cable pair is affected by the combined
NEXT from the other pairs. PSNEXT is expressed as the difference in amplitude
(in dB) between the crosstalk received on a cable pair and a test signal transmitted
on the other pairs.
PSNEXT is calculated from NEXT values. The descriptions of the results are the
same as for NEXT results, except that they show the sum effect of NEXT on a
cable pair.
Autotest on Coaxial Cable
To run an Autotest on coaxial cable, refer to Figure 3-7 and proceed as follows: