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Chapter 8 Optical Spectrum Measurement
WDM-Expert Software option
Spect.Pos. [Disp.Unit]
All spectral positions in this columns category are displayed in nm or THz. This depends
on the value of the Setup/Display/Unit parameter
Center
Spacing
Offset
Offs./Spac
Center Ref
Center rel
Center Ref.rel
Spect. Pos [THz]
All spectral positions in this columns category are displayed in THz, independent of the
value of the Setup/Display/Unit parameter. The available result table columns corre-
spond to Spect. Pos [Disp.Unit]
Center
Spacing
Offset
Center Ref
Center rel
294
the center frequency / wavelength of the channel signal
the frequency / wavelength difference to the previous channel
signal
the frequency / wavelength difference to the corresponding grid
line (only available if the parameter Analysis/Channel detection/
Mode is set to Grid)
depends on the parameter Analysis > Channel detection >
Mode: if this is set to Grid: Offset (see above) else Spacing
depends on the parameter Analysis/Channel detection/Mode: if
it is set to Grid: the grid frequency / wavelength else the center
frequency / wavelength of the channel signal
the difference between the center frequency / wavelength of the
channel signal and the reference channel (set by the softkey Set
Ref Channel on the result page)
the difference between the reference frequency / wavelength
of the channel and the reference channel
the center frequency of the channel signal
the frequency difference to the previous channel signal
the frequency difference to the corresponding grid line (only
available if the parameter Analysis/Channel detection/Mode is
set to Grid)
depends on the parameter Analysis/Channel detection/Mode: if
it is set to Grid: the grid frequency else the center frequency of
the channel signal
the difference between the center frequency of the channel
signal and the reference channel (set by the softkey Set Ref
Channel on the result page)
User Manual
78000010220 Rev. 024
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Troubleshooting
