Grounding Terminal
The Switch already comes with lightning protection mechanism. You can also ground 
the Switch through the PE (Protecting Earth) cable of AC cord or with Ground Cable. 
For detailed information, please refer to Chapter 3 Lightning Protection.
Power Socket 
Connect  the  female  connector of the power cord here, and the male connector to 
the AC power outlet. Please make sure the voltage of the power supply meets the 
requirement of the input voltage.
Caution: Please use the provided power cord.
Introduction