Setting up and configuring Mikrotik NetMetal ax to my network

Generally speaking (as there may be exceptions) Mikrotik devices with Wi-Fi have not a default configuration that activate the radio(s), you usually need to connect via ethernet, the first ethernet port (the only one in your case) should have an IP of 192.168.88.1 (or depending on models .2, .3) and be running a DHCP server assigning addresses in range 192.168.88.10-254.

In any case, It Is advised to use Winbox (still via ethernet) to configure the device, see here why: