Your fibre box is called an ONT (Optical Network Terminal) this should be located on a wall inside your home. In most cases, ONTs are installed closest to the road. The ONT's main function is to convert light signals into electrical signal. Your router connects to the ONT.
Depending on when your fibre was installed, you may have one of two different types of ONTs. Both are similar in their function but have slightly different light and port labelling.
Please select the ONT that you have: