User Guide

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Laser and LED Safety Guidelines and Warnings
Single-mode Physical Interface Modules (PIMs) are equipped with laser transmitters,
which are considered a Class 1 Laser Product by the U.S. Food and Drug
Administration, and are evaluated as a Class 1 Laser Product per EN 60825–1
requirements.
Observe the following guidelines and warnings:
■ General Laser Safety Guidelines on page 269
■ Class 1 Laser Product Warning on page 269
■ Class 1 LED Product Warning on page 270
■ Laser Beam Warning on page 270
■ Radiation from Open Port Apertures Warning on page 271
General Laser Safety Guidelines
When working around PIMs, observe the following safety guidelines to prevent eye
injury:
■ Do not look into unterminated ports or at fibers that connect to unknown sources.
■ Do not examine unterminated optical ports with optical instruments.
■ Avoid direct exposure to the beam.
WARNING: Unterminated optical connectors can emit invisible laser radiation. The
lens in the human eye focuses all the laser power on the retina, so focusing the eye
directly on a laser source—even a low-power laser—could permanently damage the
eye.
Class 1 Laser Product Warning
WARNING: Class 1 laser product.
Waarschuwing Klasse-1 laser produkt.
Varoitus Luokan 1 lasertuote.
Attention Produit laser de classe I.
Safety Guidelines and Warnings ■ 269
Chapter 14: Safety and Regulatory Compliance Information