SMC-EZ6508TX 8-Port 10/100Mbps Standalone, Unmanaged SOHO Switch Full duplex support at both 10 and 100 Mbps operation Jabber lock-up function - stops transmission of abnormal frames to prevent network interruptions Automatic polarity detection and correction - ensures interoperability between various IEEE-based products IEEE 802.3 and 802.3u compatible Store-and-Forward & Flow Control ensure data delivery and network integrity