A blinking PWR LED indicates the AP has not yet received a valid IP from DHCP that is route able
The AP test connectivity to the Default Gateway to verify Network Connectivity.
Check if the port the AP is connected to is providing DHCP services on the Native/Default VLAN. When factory defaulted the AP sends/receives management traffic untagged. The internal/native VLAN for the AP is 1.
If you wish to use static IP's you should be able to access the AP using it's default IP of 192.168.0.1. Make sure you set a reachable Default Gateway which the AP will use to verify Network connectivity.
The 5G, 2.4, Air, DIR LED being off indicates the AP has not been configured yet.
The blinking WAN LED indicates traffic is being seen on the Ethernet port, but is probably not getting across the internal bridge if the AP is not configured with a valid IP yet.
I hope this information is helpful
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