Cancel - the below, fixed and working.
Technician arrived on time and installed the HFC box - all lights on and NBN service confirmed. Have connected to WAN port on tp-link AC1600. Have checked that Setup is correct and the DSL settings but am not getting internet connection.
Welcome to the Community!
Thanks for keeping us in the loop. I'm glad that your NBN service has been installed and already working.
Don't hesitate to drop by if you need assistance.