What are these ports?

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Two vertically adjacent rectangular wall ports with about a ratio of 1 to 4 that are each extended by a smaller rectangular cutout above them in an upside down T fashion.

I suspect they are data, voice, or video jacks. Found in a conference room for a building from the 80s-90s. It’s the same wall as the TV. There’s also other existing RJ45 Cat 5 ports.

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They match the style of proprietary A/V control system ports used in 1990s conference rooms, Projector control interfaces, Crestron / AMX / Extron wall plates, RS-232 or RS-485 wiring inside custom housings.

They were used to connect Projector control panels, Motorized screens, Audio/video switchers, Touch panels, Old teleconferencing gear.

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Absolutely look like custom bullshit connectors used on custom boxes from the 80s.

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OP

This is a great answer exceeding my expectations. Thank you!

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No problem, being old has to have had some benefits lol. This was my shot.

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OP said it was in a conference room. Good catch!

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