USB to RS232 / RS485 / TTL Industrial Isolated Converter

WaveshareSKU: RB-Wav-173
Manufacturer #: 15817

Price  :
Sale price ¥4,330

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Stock  :
In stock, 3 units

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  • USB to RS232 / RS485 / TTL Industrial Isolated Converter
  • Offers conversion from USB to RS232, RS485, and TTL (UART)
  • Adopts original FT232RL
  • Provides fast communicating, is stable and reliable
  • Offers better compatibility

This is an USB to RS232 / RS485 / TTL Industrial Isolated Converter. It features embedded protection circuits such as power isolation, ADI magnetically isolation, and TVS diode, etc. What's more, the USB TO RS232 / 485 / TTL comes with an aluminum alloy enclosure, make it solid and durable to work.

The USB TO RS232 / 485 / TTL converter is very easy to use, fully automatic transceiving without delay. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipment’s and/or applications with high communication requirement

  • 68.50 x 86.50 x 72.15 x 71.60 mm
  • Baudrate: 300-921600 bps
  • Host port: USB
  • Device port:  RS485 / RS232 / TTL


  • Operating voltage: 5 V
  • Connector: USB-B
  • Protection: 200 mA self-recovery fuse, isolated output
  • Transmission distance: ~5 m


  • Connector: screw terminal
  • Pins: A+, B-, GND
  • Direction control: hardware automatic control
  • Protection: 600 W lightning-proof and surge-suppress, 15 KV ESD protection (reserved 120 R balancing resistor solder pads)
  • Transmission distance: ~1200 m
  • Transmission mode: point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)


  • Connector: DR9 male
  • Protection: TVS diode, surge protection, ESD protection
  • Transmission distance: ~15 m
  • Transmission mode: point-to-point


  • Operating voltage: 3.3 V / 5 V
  • Connector: screw terminal
  • Pins: TXD, RXD, GND
  • Protection: clamp protection diode, over-voltage/negative-voltage proof, shock resistance
  • Transmission mode: point-to-point

LED indicators:

  • PWR: red power indicator, light up when there is USB connection and voltage is detected
  • TXD: green TX indicator, light up when the USB port sends data
  • RXD: blue RX indicator, light up when the device ports send data back

Operating environment:

  • Temperature: -15 ℃ ~ 70 ℃
  • Humidity: 5% RH ~ 95% RH

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