Fluke DTX-1800 Technical Reference Handbook page 107

7
6
A
The overall insertion loss result. "PASS*/FAIL* Results" on
page 3-12 describes results marked with an asterisk.
1
B
Horizontal and vertical magnification levels for the plot. To
2
change the magnification, press
BC
use or
C
3
The limit line (in red) for insertion loss. The lower the
measurements fall below the limit line, the better the cabling
4
performance. Press
D
Measured insertion loss for the cable pairs. Lower insertion
5
loss means better cabling performance.
E
The cursor and its location on the frequency scale. When you
first view the plot, the cursor is placed at the worst margin.
BC
Use to move the cursor (if the plot is in zoom mode, press
K
Change To Cursor first).
F
The measured insertion loss and margin at the cursor's
position. Margin is the difference between the measured
value and the limit. Margin is negative if the pair failed.
amd09f.eps
G
The horizontal scale is the frequency range in megahertz.
The vertical scale is the insertion loss range in decibels.
Figure 3-15. Insertion Loss Plot
Certifying Twisted Pair Cabling
Twisted Pair Autotest Results
K
AD
to zoom horizontally or vertically.
L
to see plots of individual pairs.
3
Change To Zoom; then
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