LAN ports: 16 x RJ45 10/100/1000 Base-T ( 16 x PoE (802.3af/at) ), 2 x port SFP 1000 Base-X ; Transmission speed: 10 / 100 / 1000 Mbps - 16 LAN & PoE ports, 1000 Mbps - 2 SFP ports - Uplink ; Maximal total power: 225 W ;