Optical Backscatter Reflectometer 4600 81
User Guide
Select File > Load Data File from the menu; browse and open the file device1.obr,
located in C:\Documents and Settings\All Users\Application Data\Luna
Technologies\LightPath Analysis
v#.#. The software will display a
Processing
dialog
while generating the LightPath data. This may take several seconds.
6
Figure 6-3. Data from the file device1.obr is being compared
to the Parameter Configuration File lpa_default_params.ini.
Data Display
When the loading process has completed, the software displays the Amplitude plot
of the data in the upper graph (Figure 6-3). The lower graph shows a simplification
of the trace data, broken into the Peak, Drop, and Fiber segments that were detected
during processing.
Each feature type is represented by a different shape in the lower graph. Fiber
segments are represented by two horizontal lines, indicating the input and output
level at the front and rear end of the segment. Peaks and Drops also have horizontal
lines at the input and output levels, with a vertical line at the midpoint of the segment
representing the extent of the peak or drop. Peaks are depicted with a vertical line
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