You don't need no configuration software to configure the EAP110-Outdoor. Just set a static (fixed) IP for your Mac (.e.g 192.168.0.10), connect the EAP110-Outdoor to your Mac and use a browser to load the web interface of the EAP by addressing http://192.168.0.254/). If using a network connection, you need to find out the IP which has been assigned to the EAP by your DHCP server. It's easier to directly connect the EAP to your Mac for initial configuration.

As for setting security modes such as WPA2-PSK in the web interface, see page 11 of the User Guide:
http://static.tp-link.com/EAP110_Outdoor(EU)_V1_UG_1479275098219b.pdf