Before USB ports became standard on PCs, several devices connected through a serial port. They're obsolete in many ways, but they still see some use.

I have not worked with serial port to USB adaptors before, but I guess the computer will recognize 7 identical serial to USB converters.

Also known as an RS-232 port, serial ports provide very slow speeds and have been superseded by USB on desktop computers. USB-to-serial adapters are available for old peripherals.

Therefore, there is not need to worry about the security of the USB console ports unless you haven’t configured proper security for your serial line console port.

Those ports could just be more USB-C ports for charging and data, or USB-A for legacy gear or HDMI and DisplayPort for ...

Recently, I needed to do a little debugging on a USB serial port and, of course, there isn’t really anywhere to easily tie in a monitor or a logic analyzer.

Learn the USB full form, its history, types, versions, advantages, disadvantages, and uses. Check how USB makes connecting devices simple, fast, and efficient in daily life.

This post shows how to install PL2303 (Prolific) driver on Windows 11 & what to do if Prolific PL2303 USB-to-Serial driver is not working.

You can hot swap serial and parallel fairly safely.<BR><BR>PS2 usually works, but we fry PS2 ports all the time at work due to hot-swapping. So it's definitely higher-risk.