Fluke Versiv Series User Manual page 268

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Table 9. Settings for HDR OTDR Tests(cont.)
Fiber Type Select a fiber type that is correct for the type you will test.
To see a different group of fiber types, tap MORE, then
tap a group.
Fiber Type Set-
IR: The tester uses the index of refraction to calculate the
tings
optical length of the fiber. Each fiber type includes the
value specified by the manufacturer. To use a different IR,
make a custom fiber type. See the Technical Reference
Handbook.
Backscatter: Backscatter is the backscatter coefficient. The
tester uses this value to calculate the reflectance of events
for OTDR tests and the overall ORL for the link. Each fiber
type includes the value specified by the manufacturer. To
use a different backscatter value, make a custom fiber
type. See the Technical Reference Handbook.
Test Limit
Select the correct test limit for the job. Generic limits, such
as General PON and Document PON, let you do tests when
no industry-standard limit is applicable and you do not
want to make a custom limit. These limits are in the
Miscellaneous group. To see a different group of limits,
tap MORE, then tap the name of a group.
Some test limits use the measured length of the fiber to
calculate a limit for loss.
Test Limit Set- This item shows only if the selected test limit calculates a
tings loss limit for each link. For such limits, enter the number of
connectors and splices in the link. See the Technical
Reference Handbook.
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Settings for HDR OTDR Tests
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