Could be that the hub has not been added to your account or the cable is disconnected at the street box. Here are 2 numbers that may help:
Equipment activation on 0800 953 9500
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pre-installs team on 0800 052 1734.
Tudor
There are 10 types of people: those who understand binary and those who don't and F people out of 10 who do not understand hexadecimal c1a2a285948293859940d9a49385a2