Openreach FTTP ONT
This page is about the FTTP termination device that Openreach install for FTTP customers.
The Openreach ONT is actually inside an enclosure which also contains a Battery Backup Unit (BBU) and various wiring.
The ONT requires power, so will need a mains power socket nearby.
LED Status
| LED | Colour | Meaning | Notes |
|---|---|---|---|
| Power | Green | has power | Good |
| Off | no power | Check mains power | |
| PON & LOS | PON green, LOS Off | Connected and should be working | Good |
| PON flashing green, LOS off | ONT is starting up | Wait a bit for steady green and all should be well... | |
| PON off, LOS red | Possible fault with the fibre | ||
| PORT1 | off | ONT has not ethernet link to the router | Check router |
| blinking/flashing | data being transmitted | Good | |
| Tel | We don't use the Tel ports | ||
| Status/Fault/Charging | Related to the battery backup |
LOS = Loss of service. PON = Passive Optical Network