10Gmodules.pdf The Cisco OneX Converter Module (model CVR-X2-SFP10G),also known as a converter module, is a hot-swappable input/output (I/O) device that slides into a 10-Gigabit Ethernet X2 slot on a switch. It converts the 10-Gigabit X2 interface into a single 10-Gigabit SFP+ interface. It is supported on many platforms using X2 interfaces.