EXFO FG-750 - Manual (Page 156)

Operating Your RTU in OTDR Measuring Mode
142 FG-750
Managing Optical Routes
Modifying Optical Routes
The RTU creates the optical routes automatically with settings based on the
defined default values. For more information on the parameters,
see Managing System Setting Values on page 127.

You can specify whether the link is made of dark or live fiber.

You can modify the helix factor, the IOR, and RBS values.

You can specify one or two additional IDs to your route (cable ID and
tube, or fiber color) to complete the information about this route. It can
also help documenting the start and finish sites of the route. This
information is part of the xml e-mail that will be sent according to the
alert rules that you have defined (see Managing Alert Types on
page 121).
It is also possible to modify the optical routes from the Remote Test Unit
window (from the main menu, select Configuration > Remote Test Unit).