EXFO FTB-500 (Window XP) - Manual (Page 260)

Using FTB Products in an Automated Test Environment
252 FTB-500
SCPI Command Structure
SCPI Command Structure
The information presented in this section provides an overview of SCPI
programming. If you need detailed information, refer to:

The International Institute of Electrical and Electronics Engineers. IEEE
Standard 488.2-1992, IEEE Standard Codes, Formats, Protocols and
Common Commands For Use with ANSI/IEEE Std. 488.1-1987. New
York, 1992.

Standard Commands for Programmable Instruments (SCPI). Volume
1: Syntax and Style. Vers. 1999.0 May, U.S.A, 1999.
The provided commands follow the guidelines determined by the Standard
Commands for Programmable Instruments (SCPI) consortium. A program
message consists of one or more commands (and/or queries) with their
appropriate parameters.
For example, a program message could contain a command used to
activate or deactivate a source. The corresponding command syntax
would be:
When sending a message containing the previous command, you would
actually type: SOUR:POW ON.
SOUR:POW[:STAT]
Mandatory
keywords
Optional keyword
(in square brackets)
Required
space
Parameter Keyword
separators