Looking at the lights on your BT Business Hub, can help you identify a problem and fix it.
For the BT Business Hub 5, go to What do the lights mean?
For the BT Business Hub 3, go to What do the lights mean?
If you have a BT Business Hub 2 - 2700 or 2701, find out what the lights mean on the Get help with the BT Business Hub 2 - 2700 or 2701... page.
Not sure which hub or router you're using? Find your model.
Need support for other hubs and routers? Check out our other help articles.