TransXpress SL64 provides multiplexing and line capabilities for point-to-point, ring, star, and meshed topologies and a vast range of efficient features in one common platform. They include a wide variety of interfaces including GbE (1000BaseSX/LX), Fast Ethernet (100BaseTX), cost-efficient very short reach (VSR), STM-16, STM-4, STM-1, colored DWDM interfaces with tunable lasers for up to 160 wavelengths, STM-64 with build-in FEC.