Direct Connection for Cisco 40GbE QSFP+ to 4SFP+ AOC

The 40G QSFP+ breakout AOC cables can offer a highly cost-effective way to connect within racks and across adjacent racks. It offers four parallel, bi-directional channels each operating at up to 10.3125 Gbps. Using industry leading VCSEL technology, an advanced new light-engine design and bend insensitive multimode fiber. 

Following diagram shows Cisco 40GbE QSFP+ to 4SFP+ AOC cable connecting, one end to a 40G QSFP+ port, and the other end to four 10G SFP+ ports switch.