The em2x2-2 is small convenient modular chassis accommodating various processing, conversion, regeneration, and optical functionality. The frame comes with dual SFP cages allowing any combination of SFPs or emSFPs to be paired together to adapt and process various type of signals. You can mix and match any Fiber Optic 850nm/1310nm/CWDM, ASI, IP, 3G/HD/SD, HDMI/DVI, MADI, AES signals or IP modules. The em2x2-2 is forward compatible with future Embrionix SFP & SFP+ modules.