The AOCQSP40 is an active optical breakout cable designed for use in 40Gigabit Ethernet links. The QSFP+ (40Gbps) interface is electrically compliant and mechanically compliant with the SFF-8436. The SFP+ (10Gbps) interface is electrically compliant with SFF-8431 and mechanically compliant with SFF-8432. The AOCQSP40 is utilized in the aggregation of 10Gbps interfaces in a 40Gbps environment.