Calculate[1..n]:wdm:channel – EXFO FTB -5240S/5240BP Optical Spectrum Analyzer for FTB 500 (NS-1434) User Manual

Page 485

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SCPI Command Reference

Optical Spectrum Analyzer

477

Product-Specific Commands—Description

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

Description

This query returns the information pertaining to a

channel.

A trace must be present in memory for the

command to be accepted.

*RST has no effect on the WDM measurement.

Syntax

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

Parameter(s)

ChannelIndex:
The program data syntax for <ChannelIndex> is

defined as a <DECIMAL NUMERIC PROGRAM

DATA> element.
Selects the Index of channel.
The maximum value for the index varies with

thenumber of channels on the results list.

Response Syntax

<ChannelResults>

Response(s)

ChannelResults:
The response data syntax for <ChannelResults>

is defined as a <DEFINITE LENGTH ARBITRARY

BLOCK RESPONSE DATA> element.

Channel results in A,B,C,D,E,F,G,H,I,J,K,L format

where:

A = Channel name <STRING PROGRAM DATA>

B = Spectral position (always in m) <NR3

NUMERIC RESPONSE DATA>

C = Channel power (always dBm) <NR3

NUMERIC RESPONSE DATA>

D = Power type <STRING PROGRAM DATA>

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