LS-POE-1210 is a PoE splitter to power non-PoE enabled devices.
It accepts 48v PoE via 10/100 RJ45 Jack to output fixed 12v/2A via the DC Jack (5.5 x 2.1mm).
This way a non PoE enabled device can be powered remotely via any PoE Injector or PoE Switch