Fluke Versiv, Руководство пользователя

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Chapter 7: Use the OTDR
OTDR Results
169

Length of the tail cord (top) and launch cord (bottom).

A loss event, such as a splice or bend:
: Measurements for the event are all within the test limits.
: One or more measurements for the event exceeds the limit.

: The event is hidden by a previous event.
The map shows a dotted line around hidden events and the
event that causes them to be hidden. The tester combines the
loss of all the events that are in the dotted line. To see the
combined loss, tap the event that causes the hidden event (

).
The tester does not show loss measurements for hidden events.
: The event is hidden by a previous event. The reflectance of
the event exceeds the limit. This icon shows only when the test
limit has a limit for reflectance.
 The cause of the hidden event. In this example, the cause is a
connector on a short patch cord. The loss of the second
connector is hidden in the attenuation dead zone of the first
connector.
 Tap to see information about the selected event.
Event Table
The event table shows a list of the events on the fiber. To see the
event table, tap
TABLE
on the OTDR results screen. Figure 67
shows an example of an event table.
 To see details for an event, tap the event in the table. Scroll the
table if necessary to see all the events.

(ft)
or
(m)
: The distance to the event

LOSS
: The loss of the event.

REFLECT
: The reflectance of the event.

TYPE
: The event type.