Exfo FTB -5240S/5240BP Optical Spectrum Analyzer for FT Uživatelský manuál stáhnout pdf (Strana 209)

100

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 Uživatelský manuál Strana 209

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