4.1
Precautions
Before beginning installaon or removal, observe the following precauons:
Danger: Never look into the end of an opcal cable. Permanent eye damage or blindness can occur if laser
radiaon is present.
Danger: Never handle exposed ber with bare hands or touch it to bare skin. Fiber fragments can enter
the skin and are dicult to detect and remove. Follow local safety precauons regarding ber.
Warning: PIUs and pluggable opcs can be damaged by ESD during installaon, removal, storage, or
shipment. Such equipment is stamped with anelectrostac marks and requires special care in handling and
storage. When handling PIUs and pluggable opcs, keep in mind that they can be damaged by ESD during
installaon, removal, or whenever they are contacted so be sure to wear a wrist strap as described in the
next Warning.
Warning: Wear an ESD wrist strap with a minimum resistance of 1 megohm that is properly secured to the
ESD grounding wrist strap connecon socket when handling PIUs and pluggable opcs to prevent possible
PIU damage. Before using the strap, check it for opens, shorts, and the minimum resistance value. If the
strap does not pass these checks, do not use it.
Equipment Installation
Precautions
102
Release 19.1.1 · Issue 1.1, May 2021
Fujitsu and Fujitsu Customer Use Only
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