Fluke Versiv Series User Manual page 265

Versiv Series Cabling Certification Product Family
Users Manual
256
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Table 9. Settings for HDR OTDR Tests(cont.)
Test Type When you turn on the tester, the Test Type shows the test
that was last selected.
Auto PON OTDR: The tester automatically selects settings
that give you the best view of the events on PON links. The
tester automatically uses the DISCOVER function to locate
splitters and identify their ratios. This mode is the easiest
to use and is the best choice for most applications. To see
the settings the tester used for a test, tap SETUP on the
trace screen, then tap CURRENT.
For links that have splitters with 1:64, 2:64, 1:128,
or 2:128 ratios, use a Manual PON OTDR test.
Manual PON ODTR: This mode lets you select settings to
control the test parameters for the trace. You can also
enter the ratios of splitters that you know are on the link,
or use the DISCOVER function to locate splitters and
identify their ratios. If you do not enter splitter ratios, the
tester identifies splitters as large loss events. Manual
settings are described in this table.
Auto OTDR: This is the same as the Auto PON OTDR test,
except that the tester does not identify splitters. If the link
has splitters, the tester identifies them as large loss events.
Some unusual faults can cause the Auto OTDR
test to show an unsatisfactory trace. If this occurs,
use the Manual OTDR test to get a better trace.
Manual OTDR: This is the same as the Manual PON OTDR
test, except that the tester does not identify splitters. If
the link has splitters, the tester identifies them as large
loss events.
See the Technical Reference Handbook.
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