Ultra FTTB Network Termination Unit Status Lights
The article will explain the status lights found on the Network Termination Units (NTU) used for iiNet Fibre to the Building (FTTB) services.
Select your NTU model
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Adtran® 422G GFast NTU |
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Adtran® 422G Gfast NTU Status lights
| Light | State | Meaning | |
| POWER | Off | No power. | |
| Green | Your NTU has power. | ||
| GFAST | Flashing green | Make sure the phone cable between your NTU and phone socket is plugged in securely, and restart your NTU. Please call us on 1300 997 271 if the light stays flashing. Note: You must use the supplied 1-metre phone cable. Longer phone cables can cause connection issues. |
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| Green | Your NTU is operating normally. | ||
| LAN | Off | Make sure the Ethernet cable between your NTU and modem is plugged in securely, and restart your NTU. If the light stays off, try a new Ethernet cable. Please call us on 1300 997 271 if the issue persists. | |
| Green | Successful network connection. This light flashes during data transfer. | ||
LEA Networks NTU Stats lights
| Light | State | Meaning | |
| POWER | Off | No power. | |
| Green | Your NTU has power. | ||
| OUT | Off | Your NTU isn't detecting the FTTB equipment in the MDF. Please call us on 13 22 58. | |
| Green | Your NTU is operating normally. | ||
| Flashing green | Line issue detected. Make sure the phone cable between your NTU and phone socket is plugged in securely. Please call us on 13 22 58 if the issue persists. | ||
| WARNING | Off | Your NTU is operating normally. | |
| Flashing green | Overload detected. Unplug the power cord from the NTU and then plug it back in. Please call us on 13 22 58 if the issue persists. | ||
Power/DIAG NTU Status lights
| Light | State | Meaning | |
| POWER | Off | No power. | |
| Green | Your NTU has power. | ||
| Flashing | Your NTU may be malfunctioning. Please call us on 13 22 58 for assistance. | ||
| DIAG | Off | Provided POWER light is on and not flashing, the NTU is functioning as expected. | |
| Red | Make sure the phone cable between your NTU and phone socket is plugged in securely. If possible, try another 1-metre phone cable. Please call us on 13 22 58 if this light stays red. | ||