ZyXEL Communications WSR30 User Manual page 88

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About the Symbols
Various symbols are used in this product to ensure correct usage, to prevent danger to the user and others, and to prevent property damage.
The meaning of these symbols are described below. It is important that you read these descriptions thoroughly and fully understand the
contents.
Explanation of the Symbols
SYMBOL
Appendix B Legal Information
EXPLANATION
Alternating current (AC):
AC is an electric current in which the flow of electric charge periodically reverses direction.
Direct current (DC):
DC if the unidirectional flow or movement of electric charge carriers.
Earth; ground:
A wiring terminal intended for connection of a Protective Earthing Conductor.
Class II equipment:
The method of protection against electric shock in the case of class II equipment is either double insulation or
reinforced insulation.
Multy WiFi System User's Guide
88

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