EXFO FTB-5240BP, User Manual

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Setting Up the Instrument in Spectral Transmittance Mode
Optical Spectrum Analyzer
201
Setting Up Spectral Transmittance Analysis Parameters
3. Under Global analysis parameters , define the following parameters
as needed:
³
Channel definition (GHz) : indicates the limit inside which the
power values will be considered in the channel.
Centred on max peak : Channel is centered on the lowest
insertion loss peak.
ITU Grid : Select the nearest ITU channel from the peak with
lowest insertion loss.
CWDM : Select the nearest CWDM channel from the peak with
lowest insertion loss.
Custom : Channel is centered on value specified by the user.
³
Nominal wavelength or frequency (nm or Thz)
: indicates a
single value that represent the channels center wavelength (in nm)
or frequency (in THz). This field is editable only when
Channel
definition is selected as Custom .