https://helpforum.sky.com/t5/Broadband/Sky-Fibre-not-working/m-p/5132689#M529816 <P>Have you got an ONT on your wall &amp; was it already there or has it just been installed? Normally if its a full install then an engineer will normally attend and connect you to the fibre network and install the ONT &amp; connect up your router.</P><P>&nbsp;</P><P>For Sky or any other ISP delivering Full fibre (FTTP) the fiber is brought into your home and connected to an ONT, which is a small white box with its own power supply. There should be three green lights on it, Power PON &amp; LAN.&nbsp;</P><P>&nbsp;</P><P>Your Sky MAX hub is plugged into this using the supplied ethernet cable, from the ONT yellow socket to the WAN socket on the back of the router, this is the right most socket when looking at the back of the router.&nbsp;</P><P>&nbsp;</P><P>If the ONT has a PON light on then it has been provisioned and will provide a service to the Sky router, if its off or you have a red LOS light then you have a problem that will require Sky to resolve.</P><P>&nbsp;</P> Tue, 04 Nov 2025 14:55:54 GMT Waveman 2025-11-04T14:55:54Z https://helpforum.sky.com/t5/Broadband/Sky-Fibre-not-working/m-p/5132675#M529812 <P>Recently upgraded to max fibre broadband, received new max router, connected as instructed but it's not working.&nbsp;</P> Tue, 04 Nov 2025 14:34:40 GMT https://helpforum.sky.com/t5/Broadband/Sky-Fibre-not-working/m-p/5132675#M529812 Fibrenotworking 2025-11-04T14:34:40Z https://helpforum.sky.com/t5/Broadband/Sky-Fibre-not-working/m-p/5132689#M529816 <P>Have you got an ONT on your wall &amp; was it already there or has it just been installed? Normally if its a full install then an engineer will normally attend and connect you to the fibre network and install the ONT &amp; connect up your router.</P><P>&nbsp;</P><P>For Sky or any other ISP delivering Full fibre (FTTP) the fiber is brought into your home and connected to an ONT, which is a small white box with its own power supply. There should be three green lights on it, Power PON &amp; LAN.&nbsp;</P><P>&nbsp;</P><P>Your Sky MAX hub is plugged into this using the supplied ethernet cable, from the ONT yellow socket to the WAN socket on the back of the router, this is the right most socket when looking at the back of the router.&nbsp;</P><P>&nbsp;</P><P>If the ONT has a PON light on then it has been provisioned and will provide a service to the Sky router, if its off or you have a red LOS light then you have a problem that will require Sky to resolve.</P><P>&nbsp;</P> Tue, 04 Nov 2025 14:55:54 GMT https://helpforum.sky.com/t5/Broadband/Sky-Fibre-not-working/m-p/5132689#M529816 Waveman 2025-11-04T14:55:54Z