I have just registered for a new TPG internet plan and will be receiving the wifi modem next week. When I was purchasing it they asked me to find a nbn black box in my house since there is a record from this house. I just moved in so did not know about it. I can see that there is an nbn socket on the wall but I can't find any black box or connection box in the house. How do I install it or get the connection box???? ... View more