... the interconnection between motherboard server, Repeaters, hubs, switches, terminal.Plug and play design makes easy installation, no on-site adjustment ... : 1k3) Data buffer: Built-in 128Kb RAM4) UTP Connector: RJ-45,10/100/1000Mbps, Fiber connector: ST/SC/FC,1000Mbps5) Cable ... Auto-adaptation, the default is 100MBPS working conditionInterface Type: RJ-45 Transmit mode: IEEE 802.3,IEEE 802.3u,IEEE 802 ...