Timbercon Mode Conditioning Cables are designed to be used with Gigabit Ethernet and other applications where both single mode and multimode interconnects must be maintained. Timbercon manufactures Mode Conditioning Cables using premium quality fiber and connectors. These cable assemblies are primarily used in Gigabit Ethernet (1000Base-LX) applications to prevent DMD (Differential Mode Delay). Note: IEEE Std 802.3z. Mode Conditioning Cables must pass a multitude of tests to verify compliance prior to leaving the Timbercon production facility.