Chapter 3: Certify Twisted Pair Cabling
Twisted Pair Autotest Results
67
GPU68.EPS
Figure 26. Twisted Pair Length Results
Note
You can also measure length continuously. See
“Continuous Tests” on page 70.
The tester uses the propagation delay for each pair and the
NVP for the cable type to calculate the length of each pair.
The tester compares the length of the shortest pair to the limit,
and gives the test a PASS result if the pair is not too long. The
lengths of the other pairs are gray on the screen.
The tester gives a PASS result if the shortest length and the
longest delay skew do not exceed their limits.
Loop Resistance
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