EXFO FTB-9100 for FTB-500 Optical Switch - Manual (Page 64)

SCPI Command Reference
58 FTB-9100
Product-Specific Commands—Description
:SNUMber?
Description This query returns a value indicating the
module'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 modules serial number.
Example(s) SNUM? returns "123456-AB"