Owain wrote:

Dave Plowman (News) wrote:

There doesn't seem to be a definite standard for the pins used on these
RJ11 connectors though when only two are used - I've got a modem which
uses different ones from a cordless phone. Since it's basically the US
telephone connector I wonder why?

Because the UK line is on 2 and 5, or the outer wires of a flat 4-wire
cord5, and the US line is on 3 and 4, or the inner wires.

I think Dave was commenting on how some appliances seem to use 2&5 on
the RJ11 and others 3&4. The 2&5 on the BT to 3&4 on the RJ11 seems most
common, but you also get 2&5 BT to 2&5 RJ11. Hence if the US lead is
RJ11 to RJ11 and wired striaght through (assumption), what is going on
in the socket?

--
Cheers,

John.

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