EtherFast 10/100M Switch 24-Port Provide 24 10/100M and 2 10/100/1000M ports, auto-negotiation Provide auto uplink function, no more cross-over cable Compliant with IEEE 802.3, 10BASE-T and IEEE 802.3u, 100BASE-TX standard Compliant with IEEE 802.3ab, 1000BASE-T standard 24 port of 10/100Mbpe and 2 port of 10/100/1000Mbps Ethernet Support auto uplink, no more cross-over cable need Store-and-Forward function to eliminate bad data packets with minimal delay IEEE 802.3x flow control mechanism to prevent the overflow of data frame Supports 8K MAC address entries and 2.5Mbits buffer memory in whole system 19" Rack mountable