Abstract
This paper provides a flexible upgrade path for the Australian National Broadband Network (NBN), if the new government decides to alter the construction methodology to include a copper-based access system such as Fibre to the Node (FTTN). The approach described in this paper utilises fibre past premises to provide a transmission media for a Gigabit-capable Passive Optical Network (GPON). GPON to FTTN devices would be situated in pits adjacent to premises and utilise copper tails to provide a VDSL2 Internet connection to premises. The approach provides a flexible upgrade path for customers to move from their copper based access system to a Fibre to the Home (FTTH) system utilising the relatively future-proof GPON.
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