EXFO CableSHARK P3 VF/DSL Cable Qualifier - Manual (Page 126)

VF / DSL Cable Qualifier
114
MAIN
MENU
E F CHG
PEAK ZOOM IN
VERT
ZOOM IN
HORIZ
dBm/Hz
0.00 500 1000 2000 kHz 1500
Noise PSD
Cursor Frq. =
= -112.74 dBm/Hz
1000.5 kHz RMS Noise
Impedance
Noise Filter =
=
= -61.16 dBm
100 ohms
No Filter
dBm
-10
-40
-70
-100
-130
FREEZE
20
-10
-40
-70
-100
Press or to move cursor
PROBABLE SIGNAL - undetermined
F IGURE 8.4.2B - N OISE PSD R ESULTS