Help & FAQs What are the different nbn® service classes
What are the different nbn® service classes

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In Australia, properties are connected to the nbn® network using different types of technologies based on the infrastructure and equipment that nbn® Co can utilise. The different technology types include Fibre to the Premises (FTTP), Fibre to the Node/Building (FTTN/B), Fibre to the Curb (FTTC), Hybrid Fibre Coaxial (HFC), Fixed Wireless (FW) and Satellite. You can learn more about the different technology types in our FAQ.
nbn® Co keep track of properties nbn® technology type and nbn® readiness including any extra costs required and the timeframe for connection by assigning them with a service class number
Here are all the nbn® service classes and what they each mean:
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Understanding nbn® terminology and equipment
Fibre – refers to type of nbn® technology connected by fibre optic cables which can carry data across long distances enabling speedy internet connections for homes and businesses
Premises Connection Device (PCD) – this is a box that is installed on the outside of a property and connects to the NCD and power supply unit for HFC or FTTP nbn® technology types
Network Termination Device (NTD) – is a nbn® connection box for FTTP, HFC and Fixed Wireless nbn® technology types and enables internet providers to connect properties to the nbn® network
Network Connection Device (NCD) – is a nbn® connection box for FTTC nbn® technology types and connected into the phone socket and a power point to connect properties to the nbn® network
Copper Lead In – are cables running underground used to connect FTTC technology homes to fibre at the curb
Jumpering – refers to the installation of a jumper wire which connects your home/building internet connection to your service provider
Distribution Point Unit (DPU) – exists inside a pit on the street and from the point has existing copper cabling connected to the fibre to form the final nbn® connection for FTTC technology homes
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