EXFO FTB-1v2 Guide De L'utilisateur page 283

Using Your Unit and Modules in an Automated Test Environment
Error Message Format
System and device-specific errors are managed by your unit. The generic
format for error messages is illustrated in the following figure.
<Error
number>
As shown in the above figure, the message contains three parts:
error number

error description

device-dependent information

Error messages ending in a negative number are SCPI-based errors.
For a complete list of possible errors, see the appendix on SCPI-based
errors.
FTB-1v2 and FTB-1v2 Pro
, "
<Error
description>
Error Message Format
<Device
;
dependent
information>
"
271