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4-Port USB to Serial Adapter COM Retention FTDI Chipset 920K Baud Rate

Product Review (submitted on February 28, 2024):
Am running Rocky 9.3 on a mobo that has no serial ports. Plug this adapter in to a USB 3.0 port and kernel USB xhci_hcd driver recognizes it immediately and configures /dev/ttyUSB0 - 3. Plugged in a legacy serial device (in this case, an old APC SmartUPS) and away it goes, talking just like it was a regular serial port. In other words, it just works. Right away. Nothing to configure. How often does that happen?