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HFC Modem Lights Explained

Last Updated: Thursday, 29 June 2023

A graphic on a white background of the different lights on a Hybrid Fibre Coaxial modem. In the top left corner, there are three indicators - the left-most is a green indicator labelled

Power indicatorDownstream indicatorUpstream indicatorOnline indicatorMeaning of sequence
OffOffOffOffNo power to the NBN connection box
OnFlashingFlashingFlashingPower-on self test
OnFlashingOffOffDownstream search
OnOnFlashingOffDownstream found, upstream search
OnOnOnFlashingDownstream and upstream found - retrieving setup information from NBN
OnOnOnOnReady for service

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