Waveshare Industrial USB to 4-Channel Serial Converter

Waveshare 25790 Industrial USB to 4-Channel Serial Converter, Original FT4232HL Chip, Supports USB to RS232/485/422/TTL, Multi-Device Compatible, Multi-Operating System Compatible

Features:

• Uses the original chip FT4232HL, fast communication, stable and reliable, better compatibility.
  
• Supports USB to 4-channel multi-function serial interface, convenient for expanding or debugging various industrial serial interface devices.
  
• Supports USB to 1-channel TTL + 1-channel TTL/RS485 + 1-channel isolated RS485/RS422 + 1-channel isolated RS232/RS485.
  
• Integrated unibody power supply isolation, provides stable isolated voltage, does not require additional power supply for the isolated connection
  
• Integrated unibody digital isolation, enables signal isolation, high reliability, strong anti-interference, low power consumption
  
• Integrated TVS (Transient Voltage Suppressor), effectively suppresses overvoltages and transient voltage spikes in the circuit, lightning protection and ESD protection
  
• Built-in self-recovery fuse and protection diodes, ensures stable current/voltage outputs, provides overcurrent/overvoltage protection, improves shock resistance
  
• Fully automatic transceiver circuit without delay, ensures fast and stable communication between the USB port and various interfaces without mutual interference
  
• Integrated 3.3 V/5 V TTL serial voltage converter, TTL level configuration via switch
  
• 9 LEDs to display power and transceiver status
  
• High-quality USB-B connectors, easy plugging and unplugging
  
• Industrial-grade metal housing, supports wall mounting, solid and beautiful, easy to install

Specifications:

• Product Type: Industrial USB to 4-Channel Multifunction Serial Converter
• USB:
  • Operating voltage: 5 V
  • Connection: USB-B
  • Fuse: 200-mA self-recovery fuse, isolated output
• PORT A (TTL only):
  • TTL (UART):
    • Operating voltage: 3.3 V / 5 V (configurable via switch)
    • Connection: screw terminal
    • Fuse: Clamp protection diode, overvoltage/undervoltage protection, shockproof
    • Transmission mode: Point to point
    • Baud rate: 300bps ~ 12Mbps
• PORT B ​​(TTL or RS485):
  • TTL (UART):
    • Operating voltage: 3.3 V / 5 V (configurable via switch)
    • Connection: screw terminal
    • Fuse: Clamp protection diode, overvoltage/undervoltage protection, shockproof
    • Transmission mode: Point to point
    • Baud rate: 300bps ~ 12Mbps
  • RS485:
    • Connection: screw terminal
    • Directional control: Automatic hardware control
    • Fuse: TVS diode, overvoltage protection and ESD protection
    • Resistance: Integrated 120R matching resistor, NC by default, can be activated via jumper
    • Transmission mode: Point-to-multipoint connections (485 mode up to 32 nodes, for 16 or more nodes the use of repeaters is recommended)
    • Baud rate: 300 bit/s to 921,600 bit/s
• PORT C (RS485 or RS422):
  • Isolated RS485/422:
    • Connection: screw terminal
    • Directional control: Automatic hardware control
    • Fuse: TVS diode, overvoltage and ESD protection, power isolation and signal isolation
    • Resistance: Integrated 120R matching resistor, NC by default, can be activated via jumper
    • Transmission mode: Point-to-multipoint connections (485 mode up to 32 nodes, for 16 or more nodes the use of repeaters is recommended)
    • Baud rate: 300 bit/s to 921,600 bit/s
• PORT D (RS232 or RS485):
  • Isolated RS232:
    • Connection: screw terminal
    • Fuse: TVS diode, overvoltage and ESD protection, power isolation and signal isolation
    • Resistance: Integrated 120R matching resistor, NC by default, can be activated via jumper
    • Baud rate: 300 bit/s to 921,600 bit/s
  • Isolated RS485:
    • Connection: screw terminal
    • Directional control: Automatic hardware control
    • Fuse: TVS diode, overvoltage and ESD protection, power isolation and signal isolation
    • Resistance: Integrated 120R matching resistor, NC by default, can be activated via jumper
    • Transmission mode: Point-to-multipoint connections (485 mode up to 32 nodes, for 16 or more nodes the use of repeaters is recommended)
    • Baud rate: 300 bit/s to 921,600 bit/s
• Show:
  • PWR: Red power indicator, lights up when a USB connection is established and voltage is detected
  • TXD: Green TX indicator, lights up when the USB port is sending data
  • RXD: Blue RX indicator, lights up when the device ports are sending data back
• Operating systems: Mac, Linux, Android, Windows 11/10/8.1/8/7

For further technical details please visit the manufacturer's product page .