The fun part is that there are at least two different, non standard, DB9 serial ... | Hacker News

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		consp on Feb 23, 2024 \| parent \| context \| favorite \| on: I don't think the cheapest APC Back-UPS units can ... The fun part is that there are at least two different, non standard, DB9 serial configurations.

ssl-3 on Feb 23, 2024 | [–]

The more-fun part is that using the wrong one can instruct an APC UPS to shut down immediately.

(I'm not convinced that anyone has ever been behind the wheel of the ship that is called APC.)

mr_person on Feb 23, 2024 | [–]

I have lost 3 different usb-to-serial adapters to an old server room APC, probably for this reason

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