The TRENDnet TI-UF11SFP supports 802.3af, 802.3at or 802.3bt draft. Please check detailed product specifications under the Product section of our website. If your device is not standard PoE compliant it will not be compatible with TRENDnet PoE power sourcing equipment. Many non-standard PoE devices use passive or proprietary PoE solutions. If the powered devices requires specific voltage ranges and is not 802.3af or 802.3at, 802.3bt draft compliant it will not function with TRENDnet TI-UF11SFP regardless if it fits within the voltage range of standardized PoE specifications.