EXFO IQS-3150 Variable Attenuator for IQS-500/600 - Manual (Page 151)

SCPI Command Reference
Variable Attenuator 145
Product-Specific Commands—Description
:SNUMber?
Description This query returns a value indicating the
instrument's serial number
This command is an event and has no associated
*RST condition or query form.
Syntax :SNUMber?
Parameter(s) None
Response Syntax
Response(s) SerialNumber:
The response data syntax for is
defined as a
element.
The response represents a
string containing the instrument’s serial number.
Example(s) SNUM? Returns "123456-AB"