🚀 go-pugleaf

In article <4063@enterprise.UUCP> bradc@cognos.UUCP () writes:
>Could someone fill me in on the pin-out of the 4-wire modular
>telephone connector used in North America?  I am particularly
>interested in finding the TIP and RING signals.

The middle two are tip and ring.  It is not particularly useful to ask
"which is which?", because the usual modular wiring components reverse
them quite casually.  Modern phones are designed to be insensitive to
the polarity.

The outer two wires are not normally connected in residential wiring.
They get used for various purposes in commercial phone systems and
other specialized applications.
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