Operating and Maintenance Instructions –
83
TXTalk
—the column shows the total (also called “cumulative”) crosstalk in all specified
channels adjacent to the reference channel. The channels to include are all the ITU channels
included in a specified wavelength range.
See the
How the SWS Calculates Values
section for explanations of the methods used to
calculate these values.
A set of checkboxes and buttons, which enable the user to control the analysis, are below the
table of computed parameters.
Auto Analysis Checkbox
—when checked, the table is updated every time a new scan is
acquired.
Log to File Checkbox
—when checked, the table is written to a specified file every time the
table is updated. The name of this file is shown in the adjacent text box and can be changed
using the standard Browse button.
Select Analysis Button
—used to select the type of analysis. When this button is pressed, a
dialog box is displayed (Figure 72).
Analysis Definition File
Analysis is performed from a predefined analysis definition file (ADF) or by creating a new file.
The following is an example of an ADF file:
UnitsX
0
UnitsY
0
ITUspace
100
CITUListType
1
CITUStartWavelength
0.000
CITUStopWavelength
0.000
CITUListSize
0
<CITUListBegin>
<CITUListEnd>
Comments
This is an example of an analysis definition file
Date/Time
May 24,2000, 16:05
Record#
Enable
Ch
Min
Max
BW/CW StartWL
StopWL
RefP
BRef
Thld
Mrks
RefWL FtSize
PBand PBtld Ftness
FRange
XTalk XTRange
CumXTalk
Comments
1
1
002
1
1
1
1541.158
1630.000
0
0
0.500
0
0
0
0
0.500 0
Bandwidth
0
0.500 0
None
2
1
003
1
1
1
1541.158
1630.000
0
0
0.500
0
0
0
0
0.500 0
Bandwidth
0
0.500 0
None
3
1
004
1
1
1
1541.158
1630.000
0
0
0.500
0
0
0
0
0.500 0
Bandwidth
0
0.500 0
None
4
1
005
1
1
1
1541.158
1630.000
0
0
0.500
0
0
0
0
0.500 0
Bandwidth
0
0.500 0
None
5
1
001
1
1
1
1541.158
1630.000
0
0
0.500
1
0
0
0
0.500 0
Bandwidth
0
0.500 0
None
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