3 ms·

This is a telephone hybrid: https://en.m.wikipedia.org/wiki/Telephone_hybrid https://en.m.wikipedia.org/wiki/Telephone_hybrid

• jgrahamc 4y ago
  Yes, agreed, but I'd love to know the pinout.
  • janikul 4y ago
    Probably some variation on this one: https://www.teslakatalog.cz/WNB066.html https://www.teslakatalog.cz/WNB066.html ?
    • jgrahamc 3y ago
      Thank you.