Standards: IEEE 802.3 10Base-T Ethernet IEEE 802.3u 100Base-TX Fast Ethernet IEEE802.3x Flow Control and Backpressure Ports: 8 x RJ45 MAC Address Table: 1K Buffer Memory: 64KB Switching Method: Store and Forward Protocols: CSMA/CD LEDs: Power, 10/100 Mbps Link (1 per port), Collision (1 per port) Power: External AC adapter: 9 V, 0.5 A