In reply to a post by Zarjaz:

Without wishing to sound rude … you are setting it up correctly aren’t you ?

Feel free to sound rude! Sorted now anyway. I now understand how the test socket works by disconnecting the extensions. I already knew that...

In reply to a post by Pheasant:

👍 Happy Days. It will all be a “lost art” before too long (if the seemingly increasingly millions of premises passed by 2025 rollout plans are to be taken seriously)

Don't get me started. I'm in a Fibre First exchange. Every street has been fibre'd up and is live or will be in a week or three. Except me and a couple of streets nearby. No plans, not happening now or anytime soon. Meanwhile, two miles away, choice of 500Mb Virgin fibre, Gigabit Openreach and in a couple of weeks asynchronous Gigabit via CityFibre.