The Generic Compatible QSFP56 to 4x50G SFP56 Direct Attach Cable operates over passive copper, which requires no additional power to ensure quality connectivity. This breakout cable is compliant with IEEE 802.3bj, SFF-8679 and SFF-8636 standards. It provides a connection of a 200G QSFP56 port on one end and to four 50G SFP56 ports on the other end and is suitable for cost-effective close-range interconnections within the equipment room of telecom operators or data centers, etc.