EXFO IQS-2100 Light Source for IQS-500/600 - Manual (Page 71)

SCPI Command Reference
Light Source 65
Product-Specific Commands—Description
:SOURce[1..n]:POWer:STATe?
Description This query returns a value indicating the state of
the optical source (on or off).
*RST sets the optical source to OFF.
Syntax :SOURce[1..n]:POWer:STATe?
Parameter(s) None
Response Syntax <PowerState>
Response(s) PowerState:
The response data syntax for <PowerState> is
defined as a <NR1 NUMERIC RESPONSE DATA>
element.
The <PowerState> response corresponds to the
power state of the source, as follows:
0, the optical source is off.
1, the optical source is on.
Example(s) SOUR:POW:STAT OFF
SOUR:POW:STAT?
See Also SOURce[1..n]:POWer:STATe