newshound wrote:

Farmer Giles wrote:

I understand that such a link can be achieved with suitable adaptors
through the ring main. Has anyone here done this who can offer
advice/guidance as the best and most economical way to go about it?

Their use was deprecated, particularly by radio hams because of the
interference they chuck out.

They may be disliked, but that doesn't amount to them being deprecated.

That said they don't seem uber-reliable, needing to be powered-off and
on again too often, replacing the cable would be better.