Yes that's what I said earlier.
Is this black doofer connected to anything or just dropped in cos it doesn't look like it's secured. And that's where my TV module is.
Are you sure the Brown plug isn't the other Aerial plug I pictured above?
Also just read your post on the "How expensive" thread and you say you have a 2012 not a 2010 which may be different?
They are on Amazon but I'm not sure which is the correct one.
You could try putting the fibre at the top into the plug at the bottom so it's facing the other one.
If there's a spare hole in A which there should be you may be able to put B in it and use the loop cable suggested above to bypass the break in the MOST loop