The ADAM-4561 from Advantech is a 1-port isolated USB to RS-232/422/485 converter, designed to connect legacy serial devices to modern USB-enabled systems—perfect for industrial automation, POS systems, and control environments.

 Communication & Conversion

• Function: Converts USB signals to RS-232, RS-422, or RS-485
• Baud Rate: 75 bps to 115.2 kbps
• Automatic RS-485 Data Flow Control: No manual configuration needed
• Isolation Protection: 3000 VDC between USB and serial ports
• Surge Protection: Built-in for RS-485 lines

 Power & Indicators

• Power Source: Powered directly from the USB port (no external adapter required)
• Power Input Range: 10–30 VDC (optional)
• LED Indicators: Show communication and power status