This guide provides step-by-step instructions for verifying the correct installation of an RS-232 port on your computer or device.

1. Check that the RS-232 port is securely connected to the computer or device.
2. Ensure that any required drivers are installed for the RS-232 hardware.

If you are using a Windows operating system:

1. Open Device Manager:
   1. Press Win + R, type `devmgmt.msc`, and hit Enter.
2. Look under Ports (COM & LPT) for your RS-232 port (e.g., COM1, COM2).
3. If the port appears with a yellow exclamation mark, there may be a driver issue. Update the driver by:
   1. Right-clicking the port > Update driver > Search automatically for updated driver software.
4. Note the COM port number assigned to the RS-232 port.

It should look something like this:

1. FTDI devices