If you see "Windows cannot verify the digital signature":
The Advantech Adam-4561 is a rugged, optically isolated USB-to-serial converter. It provides one port that can be configured as RS-232, RS-422, or RS-485, making it essential for industrial automation, PLC programming, and legacy device communication. Unlike generic USB-serial cables, the Adam-4561 offers: adam-4561 driver windows 10 download
Without the proper driver, Windows 10 will either fail to recognize the device or show it as an “Unknown USB device” with a Code 28 error. If you see "Windows cannot verify the digital signature" :
Fix: Disable USB selective suspend:
For embedded systems (thin clients, panel PCs): The Advantech Adam-4561 is a rugged, optically isolated
Yes. Windows 10 will assign consecutive COM ports (COM5, COM6, etc.). Each unit requires its own driver instance – no conflicts.