Cisco Catalyst 9404R Switch Hardware Installation Manual page 8

Safety Warnings
Warning
Invisible laser radiation may be emitted from the end of the unterminated fiber cable or connector. Do not
view directly with optical instruments. Viewing the laser output with certain optical instruments (for example,
eye loupes, magnifiers, and microscopes) within a distance of 100 mm may pose an eye hazard. Statement
1056
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
2