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The lights on your nbn™ FTTP Connection Box tell you about the status of your connection.

You may need to take the cover off to see the lights.

Red or green, flashing or solid? What the different combinations mean.

Light Indicator Meaning Action
Power Off There is no power to your nbn Connection Box. Check the nbn connection box is plugged in and switched on. If there is still no power light contact Telstra Support on 1800 834 273.
Solid red Your nbn connectioln box is operating on backup battery power. If there is a mains power failure, you will only have services over the nbn network for a limited period of up to five hours
Solid green Your power supply is working normally. No action required
Flashing green Your nbn connection box is starting up. No action required, the flashing light will turn solid shortly
Optical Off Something external has disabled your nbn Connection Box Restart your nbn Connection Box and if that doesn't work, call Telstra Support on 1800 834 273
Solid red Your nbn Connection Box has lost connection with the network. Restart your nbn Connection Box and if that doesn't work, call Telstra Support on 1800 834 273
Solid green Your nbn Connection Box is connected and working properly. No action required
Flashing green Your nbn Connection Box is working and there is normal activity on the network. No action required
Alarm Off Your nbn connection box is working but you have no devices connected No action required
Solid red Your nbn connection box is not working normally Restart your nbn Connection Box and if that doesn't work, call Telstra Support on 1800 834 273
Solid green Your nbn Connection Box is connected and working properly No action required
Uni-D1 to Uni-D4 Off There are no active Ethernet devices connected to this port at this time. Either:
  • no ports are in use, or
  • all devices connected to these ports are off.
If you’re having difficulty with connected devices, restart your devices, Gateway and nbn connection box. If a restart doesn't fix the problem, contact Telstra Support on 1800 834 273
Solid yellow There is an active device detected on the network capable of operating at up to 1 gigabit per second (this denotes capability, not actual speed). No action required
Flashing yellow There is data activity of up to 1 gigabit per second detected on the network (this denotes capability, not actual speed). No action required
Solid green There is an active device detected on the network capable of operating at up to 100 megabits per second (this denotes capability, not actual speed). No action required
Flashing green There is data activity of up to 100 megabits per second detected on the network network (this denotes capability, not actual speed). No action required
Uni-V 1/2 Off Expected state for Telstra services. No action required
Green One or more telephone services are in use No action required
Flashing Green One or more telephone services have been in use for over an hour Check if someone in the household is using the phone, and if not, make sure all handsets are disengaged.
Update Off Status is normal No action required
Solid red Your nbn connection box has failed to download a software update Contact Telstra Support on 1800 834 273.
Flashing green Your nbn connection box is downloading a software update Wait for the download to be completed, then check your service again.

To reset your nbn Connection Box:

  • Turn off the power point that your nbn power supply is plugged into 
  • Remove the power cable from your nbn Connection Box and wait 20 seconds
  • Reconnect the cable, and turn the power back on 
  • After 1-2 minutes, you should see these lights:
    • Power – Solid green
    • Optical – Solid or flashing green
    • Alarm – Solid green
    • Uni-D – Off, amber, or green

 

 

 

 

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