EXFO FLS-2200 Broadband Source - Manual (Page 127)

IEEE 488.2 and Specific Command Reference
Broadband Source 119
IEEE 488.2 Commands—Description
Field 3 (Serial number): ASCII character ( 0 if
not available )
Field 4 (Firmware level): ASCII character ( 0 if
not available )
ASCII character 0 represents a single
ASCII-encoded byte with a value of 30 (48
decimal).
The presence of data in all fields is mandatory. If
either field 3 or 4 is not available, the ASCII
character 0 shall be returned for that field. A field
may contain any 7-bit ASCII-encoded bytes in the
range of 20 through 7E (32 through 126 decimal)
except commas (2C, 44 decimal) and
semicolons (3B, 59 decimal).
Example(s) *IDN? returns EXFO E.O.
Engineering,FLS-2200,243478,1.0.1.0
Notes The overall length of the *IDN? response is less
than or equal to 72 characters.
*IDN?