Wired Intelligent Edge (Campus Switching and Routing)

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D Series SFP Compatibility

Hi All, i have a question about the new 'revision D' SFP's and their compatibility. So i understand that the C series are pre-EoL and they are to be replaced by revision D but i wanted to check that if I replace a switch and use the new rev D SFP (example J4858D) and the far end of the fibre connection is a rev C (J4858C) that there is no incompatibility issue there? I know it states on the EoL announcement that rev D are 'Backwards Compatoble' but it doesnt go into any detail about what this means. 

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