Exfo FTB -5240S/5240BP Optical Spectrum Analyzer Manuel d'utilisateur Page 613

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SCPI Command Reference
OSA 607
Examples on Using the SCPI Commands
Modifying Default Channel Analysis Parameters
(WDM)
Command Sequence Comments
CALC:WDM:CHAN:AUTO:WIDT:FREQ
50.0 GHZ
Set channel width.
CALC:WDM:CHAN:AUTO:CENT:ITUG
ON
Optional: enable "snap ITU grid" for channel
width of: 25, 50, 100 or 200 GHz or 20 nm.
CALC:WDM:CHAN:AUTO:SIGP:TYPE
IPOW
Set channel signal power type.
CALC:WDM:CHAN:AUTO:NOIS:AUTO
OFF
Select between auto (i-InBand) and custom
noise measurement.
CALC:WDM:CHAN:AUTO:NOIS:TYPE
POLY5
Select the noise type for custom noise
measurement.
CALC:WDM:CHAN:AUTO:NOIS:DIST:F
REQ 57.5 GHZ
Set custom OSNR distance for 5th order
polynomial fit noise measurement.
Note: No need to send this command
for IEC, INBand or
INBandNarrowfilter noise types.
CALC:WDM:CHAN:AUTO:NOIS:WIDT:
FREQ 65.0 GHZ
Set custom noise region for 5th order
polynomial fit noise measurement.
Note: No need to send this command
for IEC, INBand or
INBandNarrowfilter noise types.
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