363-206-285
Issue3,June2001 Page7of12
DDM-2000 OC-3 MULTIPLEXER
wavelengths. However, 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.
!
CAUTION:
Use of controls or adjustments or performance of procedures other than those
specified herein may result in hazardous laser radiation exposure.
Safety Precautions for Enclosed Systems
Under normal operating conditions, lightwave transmission systems are completely
enclosed; nonetheless, the following precautions should be observed:
1. Because of the potential for eye damage, technicians should neither disconnect any
lightwave cable nor splice and stare into the optical connectors terminating the
cables.
2. Under no circumstances shall lightwave/lightguide operations be performed by a
technician before satisfactorily completing an approved training course.
3. Since viewing lightwave emission directly with an optical instrument such as an eye
loupe greatly increases the risk of eye damage, an appropriate label must appear in
plain view on the front of the main frame or lightguide termination/interconnection
equipment. The safety label (Figure 1) shall read as follows:
Figure 1. Safety Label on Inside of Front Shelf Cover
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