Fluke DSX-600 - Page 5

Contents
iii
Set the Reference ............................................................48
Settings for Twisted Pair Tests .......................................49
How to Do an Autotest ..................................................54
“Bad Patch Cord” Message ............................................57
Twisted Pair Autotest Results .........................................58
PASS*/FAIL* Results ..................................................58
WIRE MAP Tab ..........................................................59
PERFORMANCE Tab ..................................................64
Scalar Results ............................................................65
Length, Propagation Delay, and Delay Skew....65
Loop Resistance ..................................................67
Continuous Tests ......................................................70
Frequency-Domain Results .............................................70
How to Save Frequency-Domain Results
as a Plot or a Table ...................................................70
Insertion Loss ............................................................74
Return Loss ...............................................................76
Impedance ................................................................78
NEXT (Near-End Crosstalk) .......................................79
PS NEXT (Power Sum Near End Crosstalk) ..............81
ACR-N (Attenuation to Crosstalk Ratio at the
Near End) ..................................................................82
PS ACR-N (Power Sum Attenuation to
Crosstalk Ratio, Near End) .......................................84
ACR-F (Attenuation to Crosstalk Ratio, Far End).....86
PS ACR-F ....................................................................88
DIAGNOSTIC Tab .............................................................89
About dB Rules ...............................................................90
3 dB Rule ............................................................92
4 dB Rule ............................................................92