EXFO FTB-9100 for FTB-500 Optical Switch - Manual (Page 65)

SCPI Command Reference
Optical Switch 59
Product-Specific Commands—Description
:STATus?
Description This query returns a value indicating the status of
the switch (READY, BUSY, etc.)
This command is an event and has no associated
*RST condition or query form.
Syntax :STATus?
Parameter(s) None
Response Syntax <Status>
Response(s) Status:
The response data syntax for <Status> is defined
as a <CHARACTER RESPONSE DATA> element.
The <Status> response represents the module
state, where:
UNINITIALIZED, means the module is not
initialized.
INITINPROGRESS, means the module
initialization is in progress,
READY, means the module is ready,
BUSY, means the module is busy,
DISCONNECTED, means the module is
disconnected,
DEFECTIVE, means the module is defective, and
UNCONFIGURED, means the module is not
configured.
Example(s) STAT? returns READY (Module is ready.)