Fluke DSP-2000 User Manual

Page 61

Advertising
background image

Autotest

Autotest Results for Twisted Pair Cable

3

3-13

Pressing

@ View Plot produces the NEXT plot screen. Figure 3-4 shows

an example of the screen and Table 3-5 describes the items on the screen.

6

5

4

3

2

1

gc11c.eps

Figure 3-4. The NEXT Plot Screen

Table 3-5. Items on the NEXT Plot Screen

Item

Description

1

The cable pairs relevant to the plot.

2

Frequency range in MHz of the NEXT test.

3

Margin is the difference between the limit and measured values plotted at the cursor’s
position. Use

L

R

to move the cursor left or right. If you move the cursor beyond the highest

test frequency specified by the selected test standard, the readout shows the NEXT value at
the cursor’s position.

4

The limits for NEXT, as defined by the selected test standard. A crosshair is shown if the
limit is defined for only one frequency.

5

Decibels of crosstalk attenuation (NEXT) between the cable pairs.

6

The measured NEXT for the cable pairs.

Advertising
This manual is related to the following products: