Allied Telesis AT-EN646 Installation Manual page 95

AT-iMG646xx Series Intelligent Multiservice Gateway and AT-EN646 Enclosure Installation Guide
3. If a fiber inspection scope is available, use the scope to inspect the
connector to make sure that it is clean and to check for scratches, pits,
or other problems that may affect performance.
Note
Always keep a dust cap on a fiber optic cable when it is not in use.
Note
Do not touch the end face of the ferrule in the connector.
Warning: Do not stare into the laser beam.
Warning: Do not look directly at the fiber optic cable ends or
inspect the cable ends with an optical lens.
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