I know you are the author of the post 
, but it wasn’t fixed for everyone. As you can see here http://forum.mikrotik.com/t/routeros-v7-bug-on-ros6-working-unrecognized-10gb-sfp-dac-direct-attach-cable-copper-pigtail/176197/4 it still bugs for another users and the only way is to downgrade to version 6.