Allied Telesis 2911 Series, User Manual

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Appendix A: Cleaning Fiber Optic Connectors
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Overview
The fiber optic connector consists of a fiber optic plug and its adapter. The
end of the fiber optic cable is held in the core of the ferrule in the plug.
Light signals are transmitted through the core of the fiber. Even minor
smudges or dirt on the end face of the fiber, completely invisible to the
naked eye, can disrupt light transmission and lead to failure of the
component or of the entire system. Therefore, it is of utmost importance to
clean all fiber optic connectors before use.
Figure 62 shows the ferrule in an SC connector.
Figure 62. Ferrule in an SC Connector Plug
Figure 63 shows part of the end face of an unclean and clean ferrule.
Figure 63. Unclean and Clean Ferrule
Ferrule