Nitpick, RJ-11, but before that was a four-prong. | Hacker News

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		kimdotcom on July 15, 2018 \| parent \| context \| favorite \| on: Social Media’s Dial-Up Ancestor: The Bulletin Boar... Nitpick, RJ-11, but before that was a four-prong.

orionblastar on July 15, 2018 [–]

I can confirm the four prong. My father installed phones. Had support for two lines black and yellow wires and red and green wires. Two wires per phone.

icedchai on July 16, 2018 | [–]

Yep, can also confirm. My parents have a four-prong to RJ-11 adapter in their house, built in the 60's.

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