Since the IEEE has a committee (802.3bq) that is establishing the electrical parameters for 25GBase-T and 40GBase-T, the emerging specifications all point to shielded, 2 pair, 22 gauge cable which can be terminated on RJ-45 or the Siemon TERA connectors. Right now, this is all in development.
Here's The Link One thing that stands out, for me, is that this is being specifically developed for Edge data centers and the distance limitation is 30 meters and that is ONLY if the committees can develop a working standard. Just because there is an IEEE committee and a TIA/EIA standard, that doesn't mean any of this will actually be deployed as it is being discussed now. There are too many variables that have not been addressed, yet.
IEEE recognizes 2,000 MHz data rates as being practical over fiber not copper. The 802.3bq committee is trying to resolve the copper 2,000 MHz limitations and the resulting connector problems.
Rcaman
