Openreach FTTP ONT: Difference between revisions
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| '''TEL1''' || Off || || We don't use the Tel ports |
| '''TEL1''' || Off || || We don't use the Tel ports |
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| rowspan=2 | '''PORT1''' || Off || ONT has no ethernet link to the router || '''Bad'''. Check the connection/cable to the router |
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| Blinking/Flashing green || Data being transmitted || '''Good''' |
| Blinking/Flashing green || Data being transmitted || '''Good''' |
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| rowspan=3 | '''LOS''' (Loss of service)<br><br>'''PON''' (Passive Optical Network) || PON solid green, LOS off || Connected and should be working || '''Good'''. This is how it should be normally |
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| PON flashing green, LOS off || ONT is starting up || '''Wait''' a bit for steady green and all should be well... |
| PON flashing green, LOS off || ONT is starting up || '''Wait''' a bit for steady green and all should be well... |
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| PON off, LOS solid red || Possible fault with the fibre || '''Bad'''. Check fibre not damaged, reconnect fibre, power cycle ONT |
| PON off, LOS solid red || Possible fault with the fibre || '''Bad'''. Check fibre not damaged, reconnect fibre, power cycle ONT |
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| rowspan=2 | '''POWER''' || Solid green || Device has power || '''Good''' |
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| Off || Power is off || '''Bad'''. Check mains power and connection to BBU/ONT |
| Off || Power is off || '''Bad'''. Check mains power and connection to BBU/ONT |
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! colspan=6 | Bottom right (BBU) LEDs |
! colspan=6 | Bottom right (BBU) LEDs |
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| rowspan=2 | '''STATUS''' || Solid green || || '''Good''' |
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| Off || || |
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| rowspan=2 | '''FAULT''' || Solid red || Battery fault || '''Bad'''. Replace the AA batteries inside |
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| Off || || '''Good'''. No fault |
| Off || || '''Good'''. No fault |
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| rowspan=2 | '''CHARGING''' || Solid orange || || '''Wait'''; the batteries are charging (usually after a power cut) |
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| Off || || '''Good'''. The batteries are fully charged |
| Off || || '''Good'''. The batteries are fully charged |
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Revision as of 02:00, 11 November 2021
This page is about the FTTP termination device that Openreach install for FTTP customers.
Older Openreach ONT (Optical Network Termination) such as the one pictured, is actually inside the enclosure. This also contains a Battery Backup Unit (BBU) along with various wiring and cable management.
Newer ONT installs do not include the BBU, and are also not in a larger enclosure.
The ONT requires power, so will need a mains power socket nearby.
LED Status
| LED | Colour | Meaning | Notes | ||
|---|---|---|---|---|---|
| Top (ONT) LEDs | |||||
| TEL1 | Off | We don't use the Tel ports | |||
| PORT1 | Off | ONT has no ethernet link to the router | Bad. Check the connection/cable to the router | ||
| Blinking/Flashing green | Data being transmitted | Good | |||
| LOS (Loss of service) PON (Passive Optical Network) |
PON solid green, LOS off | Connected and should be working | Good. This is how it should be normally | ||
| PON flashing green, LOS off | ONT is starting up | Wait a bit for steady green and all should be well... | |||
| PON off, LOS solid red | Possible fault with the fibre | Bad. Check fibre not damaged, reconnect fibre, power cycle ONT | |||
| POWER | Solid green | Device has power | Good | ||
| Off | Power is off | Bad. Check mains power and connection to BBU/ONT | |||
| Bottom right (BBU) LEDs | |||||
| STATUS | Solid green | Good | |||
| Off | |||||
| FAULT | Solid red | Battery fault | Bad. Replace the AA batteries inside | ||
| Off | Good. No fault | ||||
| CHARGING | Solid orange | Wait; the batteries are charging (usually after a power cut) | |||
| Off | Good. The batteries are fully charged | ||||