Instructions

930XC-20C • 930XC-20M • 930XC-30F • 930XC-30P
Tempo Communications Inc. 1390 Aspen Way • Vista, CA 92081 USA • 800-642-2155
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2.  Use t and u to toggle between VFL working modes. Press Enter to enter VFL setting interface (Figure 4-15).
3.  Use p and q to highlight the parameter to be adjusted, press Enter to conrm, and press to quit setting.
Figure 4-15. Visible Fault Locator Setting
930XC Link Viewer
Display Mode
Events are presented by icons in link view, viewing each one of the events is the same as in trace view with the same hot
keys. The symbol indicates the selected event with event number. The overall fiber link information is shown in the black
line pictorial above the event link with relative position marks (white vertical lines) and distance information (total length and
location of selected event).
Macrobend Analysis will find events that are high losses at 1550nm and little or no loss at 1310nm. To activate this feature
set the Wavelength setting to 1310+1550nm as shown in Figure 5.
Link Viewer is a graphical way of presenting OTDR test results. The user can manually switch between Link Viewer mode and
Trace mode by toggling the Display Mode setting as shown below in Figure 1.
Figure 1
The test settings in Link Viewer mode are the same as in Trace mode, parameters as Range, Pulse Width, Measuring Mode
(Averaging/ Real Time), Time, IOR etc. need proper configuration for reasonable test results. The user can start a test either
in Link Viewer Mode or Trace Mode. In Link Viewer mode, OTDR test results are presented in a way shown in Figure 2.
Figure 2