waveshare USB TO RS232/485/TTL Interface Converter, Industrial Isolation

The Waveshare USB to RS232/485/TTL Interface Converter is an industrial-grade, isolated converter designed for reliable data communication across multiple interfaces. Supporting RS232, RS485, and TTL protocols, this converter offers a versatile solution for interfacing with different communication systems. It ensures safe operation in harsh environments, with built-in surge and ESD protection for RS232 and RS485 ports. The device features automatic direction control for RS485 and is compatible with various operating systems, making it a practical choice for industrial automation, communication setups, and development projects.

Specifications of Waveshare USB to RS232/485/TTL Interface Converter

• Product Type: Industrial-grade digital isolated converter

• USB:

  • Operating Voltage: 5V

  • Connector: USB-B

  • Protection: 200mA self-recovery fuse, isolated output

• RS232:

  • Connector: DB9 male

  • Protection: TVS diode, surge protection & ESD protection

  • Transmission Mode: Point-to-point

  • Baud Rate:

    • FT232RL: 300bps ~ 921600bps

    • CH343G: Up to 600,000bps

• RS485:

  • Connector: Screw terminal (A+/B-/GND)

  • Protection: 600W lightningproof, surge suppress, 15KV ESD protection

  • Transmission Mode: Point-to-multipoint (up to 32 nodes)

  • Baud Rate:

    • FT232RL: 300bps ~ 2Mbps

    • CH343G: Up to 2Mbps

• TTL (UART):

  • Operating Voltage: 3.3V / 5V

  • Connector: Screw terminal (TXD, RXD, GND, 5V)

  • Protection: Clamp protection diode, over-voltage/negative-voltage proof

  • Transmission Mode: Point-to-point

  • Baud Rate:

    • FT232RL: 300bps ~ 2Mbps

    • CH343G: Up to 2Mbps

• Indicators:

  • PWR: Red power indicator (lights up when USB connection is detected)

  • TXD: Green (lights up when sending data)

  • RXD: Blue (lights up when receiving data)

• Operating Environment:

  • Temperature: -15°C ~ 70°C

  • Humidity: 5%RH ~ 95%RH

• OS Support: Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7

• Dimensions: ---

Manufacture of Waveshare USB to RS232/485/TTL Interface Converter

• Waveshare USB to RS232/485/TTL

• Waveshare Wiki Page