EXFO FTB-1 - Manual (Page 23)

Safety Information
FTB-1 13
Laser Safety Information
Laser Safety Information
Units with Built-In VFL
Your instrument is a Class 3R laser product in compliance with standards
IEC 60825-1: 2007 and 21 CFR 1040.10, except for deviations pursuant to
Laser Notice No. 50, dated June 24, 2007. Laser radiation is emitted at the
output port. It is potentially harmful in direct intrabeam viewing.
The following label(s) indicate that the product contains a Class 3R source:
The VFL laser is active when the symbol is displayed in the power
meter and VFL application.
Units without Built-In VFL
If your unit is not equipped with a VFL, the laser class of your unit depends
on the modules that you use. Refer to the user guide or the online help of
the different modules for the exact information.
Affixed to bottom panel of unit.