Fibre to the Curb 1.1 August 28, 2019 23:46 Updated nbn™(NCD) lights Next, let's check the status of your nbn™ box (NCD). Ideally, all the lights should be blue to indicate a connection. Lights other than the one shown above indicate a potential issue. Related articles Fibre to the Curb 1.2 Fibre to the Curb 1.0 Fibre to the Curb 1.2 Network Status Notifications Contact Us