nbn® FTTC Connection Box Status Lights

The article will explain the status lights found on the nbn Connection Box (NCB) used for nbn Fibre to the Curb (FTTC) services, which may be useful for  troubleshooting.

Status lights

The status lights may be covered by a small sliding panel on the face of your NCB:

NBN FTTC NCD lights
Light State Meaning
LAN Off NCB has no power or is not connected to a modem/router.
Blue Successful connection between NCB and modem/router. Flashing indicates local network activity.
Amber Successful connection between NCB and modem/router. Flashing indicates local network activity.
DSL Off NCB has no power or is not communicating with the nbn.
Blue NCB is successfully communicating with the nbn.
Connection Off NCB has no power.
Blue Successful reverse power to nbn equipment outside the premises.
Red Issue with reverse power. Please call us on 13 22 58 for assistance.
Power Off NCB has no power.
Blue NCB has power.

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