The number of high-performance network applications demanding low power and design flexibility for Ethernet connectivity are growing rapidly. Applications that formerly required single-port Ethernet connections now require access to multiple functions or even redundant (fault-tolerant) links. Cable modems, xDSL modems, IP telephones and telecom backplanes are just a few of the applications demanding dual Ethernet connections. The LXT973 is a dual-port 10/100Mbps Ethernet PHY transceiver providing a low-power, feature-rich solution for Ethernet networking. Expanding the industry-leading portfolio of single and multi-port PHY solutions, the LXT973 combines reliability and ease-of-use functions such as auto MDI/MDIX, tolerance to a cable discharge event (CDE), and long-distance cable support (up to 200m) for more flexibility in "less than optimal" wiring environments. Supporting completely independent transceiver operation, the LXT973 enables the implementation of fully redundant Ethernet links. Fault tolerance can be achieved by activating one Ethernet port and leaving the other port in standby mode in the event of link failure. Independent operation also allows for completely separate functions on each link, such as management information exchange at 10Mbps and data exchange at 100Mbps. LXT973 provides maximum flexibility while reducing system complexity by simplifying board design and component count. These products are available in RoHS compliant packages.