what is this connector?

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Jim Basu

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May 17, 2026, 9:14:35 AMMay 17
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I wonder what is this black round connector, right to the DB9, on the N2ADR IO board (see attached photo)
jim
na2dr closeup small.jpg

Shaun Burval

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May 17, 2026, 9:19:38 AMMay 17
to Jim Basu, Hermes-Lite
Looks like a TRS connector for band/keying an amplifier. 

On Sun, May 17, 2026, 8:14 AM Jim Basu <jimb...@gmail.com> wrote:
I wonder what is this black round connector, right to the DB9, on the N2ADR IO board (see attached photo)
jim

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Jim Basu

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May 17, 2026, 2:49:46 PMMay 17
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Ty Shaun
It appears to be connected to J6 (1x2 header) and J12 (1x2 header), which is also where DB9 is connected.
Seems like they share the connection.
jim
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