LAN ports: 4 x RJ45 10/100 Base-T ( 4 x PoE (802.3af/at) ), 2 x RJ45 10/100 Base-T - Uplink ; Transmission speed: 10 / 100 Mbps : 4 LAN & PoE ports + 2 Uplink ports ; Maximal total power: 58 W ; MAC addresses table: 2k ; Operation modes: Flow Control ON, Flow Control OFF, Port Isolation ;