====== BT Fibre internet ====== More accurately, OpenReach Fibre internet. This is wrong I realise now, the OpenReach Fibre provision uses Time division Multiplex not Wavelength Division Multiplex to pass the up and downstream signals. [[rb:sfp#wdm_fibre|WDM SFP]] ---- This page has been accessed:- \\ Today: {{counter|today}} \\ Yesterday: {{counter|yesterday}} \\ Until now: {{counter|total}} \\