Yep and if it breaks openreach have to visit you to give you a new one
It's because they want the fibre fully setting up by the engineer so it all ends up done correctly and perfectly. They don't want the end user messing things up or installing it their own special way
What fibre does the tech need to set up, or even touch, during an FTTC or Infinity install.
M H C
taurus excreta cerebrum vincit