EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) Benutzerhandbuch

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SCPI-Befehlsreferenz

474

FTB-5240S/S-P/BP

Product-Specific Commands—Description

:CALCulate[1..n][:WDM]:DATA:CHANnel:

BANDwidth[1|2]|BWIDth[1|2]

[:WAVelength]?

Description

This query returns computed WDM analysis

result for wavelength bandwidth of the selected

channel.

At *RST, this value is not available.

Syntax

:CALCulate[1..n][:WDM]:DATA:CHANnel:BANDw

idth[1|2]|BWIDth[1|2][:WAVelength]?

Parameter(s)

None

Response Syntax

<Bandwidth>

Response(s)

Bandwidth:
The response data syntax for <Bandwidth> is

defined as a <NR3 NUMERIC RESPONSE DATA>

element.

The <Bandwidth> response corresponds to the

computed wavelength bandwidth in meter.

Example(s)

CALC:CHAN:DEL:ALL
CALC:CHAN:DEF "CWDM_16", 1550.000 NM

CALC:BAND2:RLEV 10.0 DB

<Do measurement>

CALC:DATA:CHAN:SEL "CWDM_16"

CALC:DATA:CHAN:BAND1:WAV? Returns

3.000000E-011

CALC:DATA:CHAN:BAND2:WAV? Returns

5.400000E-011

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