WS-POE-24-48v120w 24 Port Poe Injector - 48 Volt Power Over Ethernet for IP Phones and Other 802.3af Devices at 10/100 Data Rates and 120 Watts Total Power over Ethernet injector, 1U rack mount, with fanless 120 watt 48 volt supply - Screw terminals for redundant(dual) power Provide power to multiple 802.3af devices like IP Phones, Cameras, WiFi APs in one unit. With 10/100 fast Ethernet speed Passive "always-on Power" means power is applied at all times, no auto-negotiation Devices Share available power - 5 watts available for up to 24 devices or add an additional WS-PS-48v120w power supply to double the available power For expert technical support from Austin Texas, please call 512 479 0317