High performance integrated duplex data link for bi-directional communication over copper cable, 10G-SFP-T copper, designed for high-speed communication links that require 10-gigabit ethernet over cat 6a/7 cable, up to 30m using Cat 6a/7 Cable link support, 10G BASE-T SFP+ transceiver module for CAT6A/CAT7 cable / copper / RJ-45 connector, 10G SFP RJ45 / 10G Copper SFP+ / 10GBase-T SFP+ / RJ45 SFP+ / 30meter, multiple loopback mode for testing and troubleshooting, built-in cable monitoring and link cable length measurement, IEEE 802.3az compliant, auto-negotiates with other 10GBase-T PHYs, 100/1000Base-T using cat 5e cable support.