Hot-swappable input/output device that plugs into a 10 Gigabit Ethernet Extreme platform Interoperable with other IEEE-compliant 10GBASE interfaces where applicable Certified and tested on Extreme platforms for superior performance, quality, and reliability High-speed electrical interface compliant to IEEE 802.3ae SFP Form factor, 2-wire I2C communication interface and other low-speed electrical interface compliant to SFF-8472, SFF-8432, SFF-8431 and SFP Multisource Agreement (MSA)