TRENDnet PoE Switches will support industry standards. Please check detailed product specifications under the Product section of our website. The TPE-TG50ES supports 802.3af and 802.3at with a 31W PoE power budget. If your device is not standard PoE compliant it will not be compatible with TRENDnet PoE Switches. Many non-standard PoE devices use passive or proprietary PoE solutions. If the powered devices requires specific voltage ranges and is not industry standard PoE it will not function with TRENDnet Switches regardless if it fits within the voltage range of standardized PoE specifications.