Phone jacks. Invented in the late 19th century. Still in use today. | Hacker News

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		paradox460 7 months ago \| parent \| context \| favorite \| on: It's a DE9, not a DB9 (but we know what you mean) Phone jacks. Invented in the late 19th century. Still in use today.

EvanAnderson 7 months ago | [–]

I assume you're talking about these, right?

https://en.wikipedia.org/wiki/Phone_connector_(audio)

zettabomb 7 months ago | [–]

I assume you're referring to the 1/4" jacks, not RJ series?

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