Exfo FTB -5240S/5240BP Optical Spectrum Analyzer for FT Manuel d'utilisateur télécharger pdf (Page 209)

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101

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.

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Exfo FTB -5240S/5240BP Optical Spectrum Analyzer for FT Manuel d'utilisateur Page 209

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