EXFO IQS-2100 Light Source for IQS-500/600 - Manual (Page 77)

SCPI Command Reference
Light Source 71
Product-Specific Commands—Description
:STATus?
Description This query returns a value indicating the status of
the module (READY, BUSY, etc.).
Syntax
Parameter(s) None
Response Syntax
Response(s) Status:
Example(s) STAT? Returns READY (Module is ready.)