You might be thinking of cat6a which officially supports 10G over long lengths, unlike cat6.
Nah, it was definitely around 2006 which seems to be before cat 6a was ratified. So I couldn't have bought a reel marked that way...
Nah, it was definitely around 2006 which seems to be before cat 6a was ratified. So I couldn't have bought a reel marked that way...