link between QSFP+ ports of Cisco switches within racks and across adjacent racks.

The Cisco 40GBASE QSFP+ (Quad Small Form-Factor Pluggable Plus) modules offer customers a wide  EMI between both cage-to-bezel and cage-to-module interfaces. Cages are available with options for riding heat sinks (similar to XFP) and lightpipes. Ganged (multi-port) Cisco  QSFP+ Module is similar  cages are available for additional density gains. All cages use press-fit technology for board termination, and can be used in belly-to-belly (double-sided) applications. An XFP-style gasket is also supported to maintain the cage opening behind the bezel. All QSFP+ cages will accept copper Cages feature enhanced EMI springs that have been proven in our SFP product to effectively contain EMI between both cage-to-bezel and cage-to-module interfaces. Cages distances and offer a highly cost-effective way to connect within racks and across adjacent racks. These breakout cables connect to a 40G QSFP+ port of a Cisco switch on one end and to four 10G SFP+ ports of a Cisco switch on the other end.