WS-POE-16-48v120w 16 port Poe injector - Power over Ethernet for 802.3af Cameras, IP phones, Access Points using passive PoE with 10/100 data Power over Ethernet injector, 10/100 speeds,1U rack mount, with 120 watt 48 volt supply For 802.3af or PoE IP Phones, Access Points and IP Cameras with 8 watts per port Always-on Power, power on the spare pairs ( mode B) Click on "PoE Texas" for gigabit solutions and other power supply options For expert, USA tech support please call +1 512-479-0317