https://community.bt.com/t5/BT-Devices/Bt-router/m-p/2355157#M31889 Are you on fibre to the cabinet (FTTC) with a copper line to your house and a BT mastersocket, and then an RJ11 cable connected to your router to provide your broadband connection?<BR />Or are you on fibre to the premises (FTTP) with an Optical Network Termination (ONT) unit which is then connected to your router via an RJ45 ethernet cable?<BR />If the latter is the case, when you talk about your router are you in fact talking about the ONT? Mon, 11 Mar 2024 16:46:51 GMT chrisjp 2024-03-11T16:46:51Z https://community.bt.com/t5/BT-Devices/Bt-router/m-p/2355150#M31887 <P>I've just had bt fibre broadband installed but the router will only work if the old power supply is plugged in, the openreach installer&nbsp; said&nbsp; that it doesn't the old supply&nbsp;</P> Mon, 11 Mar 2024 16:37:08 GMT https://community.bt.com/t5/BT-Devices/Bt-router/m-p/2355150#M31887 Dave142 2024-03-11T16:37:08Z https://community.bt.com/t5/BT-Devices/Bt-router/m-p/2355156#M31888 <P>Don't understand the question, can you clarify what you mean please.</P> <P>&nbsp;</P> Mon, 11 Mar 2024 16:44:54 GMT https://community.bt.com/t5/BT-Devices/Bt-router/m-p/2355156#M31888 licquorice 2024-03-11T16:44:54Z https://community.bt.com/t5/BT-Devices/Bt-router/m-p/2355157#M31889 Are you on fibre to the cabinet (FTTC) with a copper line to your house and a BT mastersocket, and then an RJ11 cable connected to your router to provide your broadband connection?<BR />Or are you on fibre to the premises (FTTP) with an Optical Network Termination (ONT) unit which is then connected to your router via an RJ45 ethernet cable?<BR />If the latter is the case, when you talk about your router are you in fact talking about the ONT? Mon, 11 Mar 2024 16:46:51 GMT https://community.bt.com/t5/BT-Devices/Bt-router/m-p/2355157#M31889 chrisjp 2024-03-11T16:46:51Z