System Manual 5. Installation
76.7300FP11/2, Rev A 8/09 Page 2-45
Optical Fiber Handling
5.15 Optical fibers can break into small glass fragments during handling. These
small bits of glass are almost invisible and can cause physical injury.
5.16 To perform procedures other than those specified in the Tellabs 7300 NE
documents can result in hazardous radiation exposure.
5.17 Follow these precautions to prevent physical injury when handling optical
fiber:
__ 1. Avoid looking directly at the fiber connectors.
__ 2. If it is required to look at the connectors, perform the following actions
to prevent any hazard:
__ 2.1 Remove the optical modules or ensure the optical
modules are not powered at both the shelf near end and
shelf at the fiber path far end.
__ 2.2 Wear laser safety glasses that block all possible
wavelength ranges emitting from the equipment.
__ 3. Wear laser safety glasses when installing optical fibers.
__ 4. Wash your hands after handling optical fibers.
__ 5. Handle optical fibers with extreme care during installation and position
the optical fibers in a safe and secure location.
__ 6. Protect unterminated optical fiber connectors with dust caps at all
times.
__ 7. Perform the necessary steps to disable the laser source, unplug
optical modules, and disconnect optical paths when using protected
magnifying lenses or protected microscopes.
DANGER:
Fiber glass fragments can enter the skin and be very difficult to detect and
remove. Do not handle exposed optical fiber with bare hands or touch it to your
body. If there is any suspicion of glass fiber chips in your eye, seek medical
attention at once.
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