Hello everyone,
Today I will share with you the hardware structure of AP4030DN.
The following figure shows ports on the AP4030DN.
AP4030DN ports

Input port for 12 V DC power supply
Default button: restores factory settings if you hold down the button for more than 3 seconds.
GE/PoE: 10/100/1000M port used to connect to the wired Ethernet. The port can connect to a PoE power supply to provide power for APs.
Console port: connects to the maintenance terminal for AP configuration and management.
Lock port: protects the AP against theft.