The troubleshooter measures the reflectance of incidents on the
fiber and the distance to the incidents. A reflective incident will
most frequently be the end of the fiber, a break in the fiber, or a
connector.
The troubleshooter shows the distance to loss incidents that are
higher than the limit you selected. A loss incident can be a
connector, a bad splice, a crack, or a sharp bend in the fiber.
After a test, the troubleshooter shows the distance to the end of
the fiber or to a break. If there is a break in the fiber, the
troubleshooter does not show incidents after the break.
If the troubleshooter shows MORE , it found one or more
reflective or loss incidents before the end of the fiber or the
break. Press to see the distance to the other incidents.
See Figures 6 and 7.
Note
Be sure to subtract the lengths of the launch and
receive fibers from the results.
If the reflectance or loss of a connection is higher than the limit:
• A connector endface is dirty or damaged.
• A connector is loose.
• The cable is damaged within about 3 m of the connector.
• The connection is between fibers of different types.
• The fiber has a bad splice or a sharp bend