Openreach FTTP ONT: Difference between revisions

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| Blinking/Flashing || Data being transmitted || '''Good'''

|-

|rowspan="3"| '''LOS''' (Loss of service)<br>'''PON''' (Passive Optical Network) || PON green, LOS ~~Off~~ || Connected and should be working || '''Good'''. This is how it should be normally

|rowspan="3"| '''LOS''' (Loss of service)<br>'''PON''' (Passive Optical Network) || PON 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...

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| PON off, LOS red || Possible fault with the fibre || '''Bad'''. Check fibre not damaged, reconnect fibre, power cycle ONT

| PON off, LOS red || Possible fault with the fibre || '''Bad'''. Check fibre not damaged, reconnect fibre, power cycle ONT.

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|rowspan="2"| '''~~Power~~''' || Green || Device has power || '''Good'''

|rowspan="2"| '''POWER''' || Green || Device has power || '''Good'''

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| Off || Power is off || '''Bad'''. Check mains power

| Off || Power is off || '''Bad'''. Check mains power and connection to BBU/ONT.

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! colspan=4 | Bottom right LEDs

! colspan=6 | Bottom right (BBU) LEDs

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|'''~~Status~~''' || Green

|'''STATUS''' || Green || || '''Good'''

| rowspan=3 | Related to the battery backup || The 'fault' LED indicated a fault with the battery, and not related to a fault with the FTTP service.

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|'''~~Fault~~''' || Red || ~~The~~ 'fault' ~~LED indicated a fault with the battery.~~ Replace the AA batteries inside.

|'''FAULT''' || Red || Battery fault || Replace the AA batteries inside.

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|'''~~Charging~~''' || Orange || ~~The~~ batteries are charging

|rowspan="2"|'''CHARGING''' || Orange || || '''Wait'''; the batteries are charging (usually after a power cut).

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| Off || || '''Good'''. The batteries are fully charged.

|}