There are 2 options to connect to EAC controller.
In order to setup the wireless we need to use the ethernet connection.
Default IP address of EAC devices are
Ethernet IP address is 10.0.0.1 so change your IP address to anything other than 10.0.0.1. Hint 10.0.0.2~254 (Also on recent builds we are shipping out default IP addresses with a letter on latest builds, we have used 192.168.1.20)
Connect your computer to ethernet port of the eac device.