Features •100% new high quality Original •5 PORT PCI ETHERNET SWITCH •4 EXTERNAL PORTS. • 10/100Mbps Auto-Negotiation RJ45 ports supporting Auto-MDI/MDIX. •Supports IEEE802.3x flow control for Full Duplex mode and backpressure for half-duplex mode. •Supports MAC address auto-learning and auto-aging. •LED indicators for monitoring power, link, activity. •External Power Adapter supply.