Introduction
Power Socket 
Connect  the  female  connector of the power cord here, and the male connector to 
the AC  (Alternating  Current)  power  outlet.  Please  make  sure the voltage of  the 
power supply meets the requirement of the input voltage.
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.
Caution: Please use the provided power cord.