Yep. And it needed to be shared. You kind of need to have this document to understand some of the Specification if you're implementing a system using it between USXGMII so you don't foot-gun yourself with some aspects of it. Happy to have helped t...
For the latecomers...you need to be a member of this community and go into the ARCHIVED documents section of the network programming- it's no longer, "relevant," but they have thoughtfully archived it under USXGMII there.It covers, in large, the spec...