this post was submitted on 15 Dec 2024
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I'm an electronic security tech. I've installed alarm systems in 2024 whose design hasn't changed since the 80s. If they want "modernized" remote control over a network, they usually slap on some sort of external unit like a cell radio or Ethernet adapter that does the translation to the decades-old protocols.
We still have to program the damn things with a USB to RS-232 adapter too.
I got to leave RS-232 behind a couple years ago when I no longer needed to maintain my own rack switches. My condolences.
It might be old and slow, but I love RS-232. It works on every platform, you can write a client or server in just about any programming language in a handful of lines (and understand what they all do). I’ve literally made working RS-232 connections with paperclips and scotch tape. After the corpo wars when we’re all computing on salvaged tech you’ll come to appreciate it.
It's like telnet, I'm happy to know its there when I need it but I'd rather not need it.