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Precautions for Enclosed Systems
In its normal operating mode, an optical fiber communication system is totally enclosed and presents no risk of eye injury. However, if the fiber optic cables that interconnect various components of an optical fiber disconnect or break, you may be exposed to laser emissions. Also, technicians may be exposed to laser emissions during installation and servicing.
Unlike some other laser designs, semiconductor lasers have a highly divergent beam that decreases rapidly with distance. The greater the distance, the less energy will enter the eye, and the less potential risk for eye injury.
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WARNING Eye damage may occur if an optical instrument such as a microscope, magnifying glass, or eye loupe is used to stare at the energized fiber end. |
Under normal operating conditions, optical fiber telecommunication systems are completely enclosed; nonetheless, observe the following precautions:
- Do not stare into optical connectors or broken fibers.
- Ensure technicians have satisfactorily completed an approved training course before performing installation or maintenance.
- Ensure there are appropriate warning labels near the optical ports of the modules.
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