(1) Check the items before power-on.
○ The equipment is properly grounded.
○ The power cord is reliably connected.
○ The input voltage meets the requirement.
○ The Ethernet cable is properly connected, and the client such as a PC used for configuration is already turned on.
(2) Power on the equipment.
(3) Check the items after power-on.
After the equipment is powered on, check the following items:
○ The system status LED works properly.
○ Service ports can forward data properly.