Swish Fibre customers would have had one of two Adtran ONTs installed.
Pick which one you have:
Adtran 622v XGS-PON
This is the Adtran 622v XGS-PON ONT that was used by Swish Fibre. If you joined Cuckoo when you migrated from there, this is the ONT you are likely to have.
What the lights mean:
Power – Green is good. No green is bad.
PON – Flashing green is establishing connection. Should then go solid green (good) or red (bad).
GE – No light on this one. This port has been disabled by our supplier.
10GE – Blinking green signifies traffic to/from the router. No light signifies no traffic.
Voice 1 – If cm uses Swish Voice, this light will come on when a call is ongoing and will go off again when the handset is disconnected from the call.
Voice 2 – Disabled by supplier.
Adtran 621i XGS PON
Power –
Flashing green: powering up.
Solid green: Self-test passed. Normal operation.
Optical –
Fast flashing green: ONU is ranging and synchronisation process is in progress.
Slow flashing green: ONU ranging complete and authenticated but not configured with services.
Red: PON is down (LoS).
LAN –
Off: No ethernet connectivity.
Flashing green: Ethernet connectivity present and activity detected.
Solid green: Ethernet connectivity present but no activity detected.