PowerDsine PD-3524G/AC/F 24-port, 400 Watt total power Unmanaged Gigabit Midspan for the enterprise market... 19 rack mount, IEEE 802.3af - Legacy and Cisco propriety support. PowerDsine 3500G family offers a cost effective, fully IEEE 802.3af compliant solution to upgrade existing infrastructure with PoE, providing a maximum of 15.4 Watts of power through each port and ensuring safe operation of any standard PoE data terminal. It allows IP telephones, wireless LAN access points, security network cameras and IP terminals to receive power, along with data at Gigabit speed, over standard Ethernet cables, leaving network infrastructure completely unaltered.