Fluke DTX-1800, Technical Reference Handbook

Page: 310 / 398

DTX Series CableAnalyzer
Technical Reference Handbook
12-6
Creating a Custom Fiber Type for OTDR
Tests
You can create up to nine custom fiber types for OTDR tests.
To create a custom fiber type for OTDR tests:
1 Turn the rotary switch to SETUP; then select Fiber OTDR.
2 Select Fiber Type; then select Custom.
3 Press
J
Create.
4 On the Custom screen, select Name; then use the text
editing screen to enter a name for your custom fiber
type. Press
N
when you are done.
5 On the Custom screen, select Use Default Values From,
select a fiber group; then select a fiber type as a
baseline for your custom fiber type.
6 To change the index of refraction (n) for your custom
fiber, select n for a wavelength; then use the editing
screen to enter a value for n. Press
N
when you are
done. Repeat as necessary for other wavelengths.
7 To change the backscatter coefficient, press
C
to go to
the next tab on the Custom screen, select Backscatter
for a wavelength; then use the editing screen to enter
a value. Press
N
when you are done. Repeat as
necessary for other wavelengths.
8 From the Custom screen, press
N
when you are done
creating the fiber type.
The tester saves the custom fiber type in the Custom
list, with asterisks (*) before and after the name.