Certifying Twisted Pair Cabling
31
PASS*/FAIL* Results
A result marked with an asterisk means that
measurements are in the tester’s accuracy uncertainty
range (Figure 15) and the “*” notation is required by the
selected test standard. These results are considered
marginal. Marginal passing and failing results are marked
with blue and red asterisks, respectively.
For a PASS* result you should look for ways to improve
the cabling installation to eliminate the marginal
performance.
A FAIL* result should be considered a failure.
Limi
PASS
*
Tester's
accuracy
uncertainty
range
FAIL
FAIL
*
PASS
amd42f.eps
Figure 15. PASS* and FAIL* Results
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