nope if the power levels are lower then -6 it will effect the connection even above 10 if its not in this it will effect it. i think it better getting someone to sort it out don't wait around it will take a long time for the person to make it stable again.
Using VIVID 350 Optical Fibre, Player TV, Talk Weekends
Just another VM user trying to help out so my answers may be wrong. If you do like my answer please mark it as helpful; it may help others
Sorry to hear you're having trouble with your Superhub.
I've run a diagnostic on your equipment and I can see a few issue with the Superhub. I've sent you a private message (purple envelope at the top right of your screen) so I can get this sorted out for you.
Tech fan? Have you read our Digital life blog yet? Check it out