What do the 3, 4 and 5 Point Pack plate stickers mean?

PHONE: Phone point coming from NBN/Garage connection points.

NET/INTERNET: Internet points coming from Garage connection points.

N-SOURCE: Usually, your modem/router location links to other Network points around the house.

N1/N2/N3: The other end (equipment end) of the N Source – is usually found in the dedicated rooms.