Lin Engineering
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Converter Card

Features and Benefits:
  • USB2.0, RS485 interface standard compliant
  • 300bps-115.2Kbps
  • Asynchronous Half Duplex (RS485) Self-adaption
  • drives up to 32 RS485 devices
  • up to 2Km at the speed of 57.6 Kbps
  • < 0.5W Power Consumption

Features and Benefits

USB to RS485 converter module can expand one RS485 asynchronous communication interface from a computer’s USB to other RS485 devices.

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  • This module uses a PL2303 chip and an easy-to-install driver. 
  • There are LED indicators on the module to show its working status: red for power, yellow for data sending, green for data receiving, which is convenient for system debugging. 
  • The baud rate of the module is 300bps-115.2kbps, and the RS485 transmission distance can be as far as 2km at the speed of 57.6kbps; The module can drive up to 32 RS485 devices.
  • RS485 line is equipped with lightning protection, which effectively ensures the load capacity and working stability of the module.

Connection Diagram

Supporting Linux, Windows, Android, and Mac OS.

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  • Electrical Standard: USB2.0, RS485 interface standard compliant
  • Transmission Rate: 300bps-115.2Kbps
  • Working Mode: Asynchronous Half Duplex (RS485) Self-adaption
  • Load Capacity: drive 32 RS485 devices
  • Transmission Distance: up to 2Km at the speed of 57.6 Kbps (faster speed will shorten the distance)
  • Power Consumption: <0.5W
  • Dimension: about 85*23*14mm/3.35*0.91*0.55”


USB485 Configured Datasheet (PDF)


USB485 Converter install instructions (PDF)
USB485 Reinstalling Driver (PDF)
Windows 10 USB485 installation (PDF)


Alternative USB485 Driver (ZIP)
USB485 driver (ZIP)

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