If you have our Fibre to the Premises (FTTP) connection, you will have an Openreach ONT (Optical Network Terminator), also known as an Openreach modem.
| Power light | LOS light | PON light | LAN light | What this means |
| Green | Off | Green | Flashing green | Normal operation. Your ONT is working, your router is connected, and you are online. |
| Green | Off | Flashing green | Off | Your ONT is connecting. |
| Green | Off | Green | Off | Your ONT is working, but is not connected to a router. |
| Green | Off | Off | Green | Your router is connected to the ONT. |
| Green | Off | Off | Flashing green | Your router is connected to the ONT and traffic is flowing between the two. |
| Green | Off | Off | Off | Either your router isn’t connected to the ONT or there’s a fault with the FTTP service. |
| Green | Red | Off | Off | There is a fault with the FTTP service. |
| Off | Off | Off | Off | There is no power to the ONT |