Gigabit PoE Injector for Power Over Ethernet - WS-GPOE-1-48v15w with 15 Watts of Power at 48 Volts for 802.3af Devices - Always on Gigabit PoE injector with 48 volt 15 watt 0.3 amp power supply - power is on all the time - no autonegotiation Use to power IP Phones, Wireless access points and other 802.3af devices 10/100/1000 Gigabit utilizes all 4 pairs for data, and 2 pairs for power ( mode B pins 4,5 plus and 7,8 return) Please see details for other great products from PoE Texas For expert technical support from Austin Texas, please call 512 479 0317