The internet has a RJ45 port; can supply power to the access point provided by the transformer plugged directly on, or "remote" using a power injector (supplied) into the RJ45 cable (transformer that plugs in this case the power injector) . The result: you can place the access point on top of a cabinet or away from electrical outlet, only one cable is required (instead of 2), the RJ45 cable.
A setting allows the access point to constantly monitor connectivity, and in case of failure to reboot itself. This scenario (blocking) regularly happens on access points or entry level routers. On this model, it has always worked perfectly, but I have nevertheless enabled automatic reboot function in case of pb, "in case" ...
The instructions supplied and that we can find the manufacturer's website are clear; this is for all the same to a computer, as it must be adapted to the network environment (IP, Gateway, etc.). If you buy it, check your network skills!
