USB to RS422/RS485 Serial Converter Adapter Cable w/ FTDI Chip Windows Linux.

USB to RS422/RS485 Serial Converter Adapter Cable w/ FTDI Chip Windows Linux.


  • Pro grade USB to RS485 / RS422 converter. It easily lets you connect any RS485 or RS422 device directly to your computer's USB port.
  • Ideal for industrial environments, the serial port converter provides 15KV ESD protection on all signal pins to protect costly and often sensitive control equipment against electrical damage.
  • It is designed with a high performance quality processor chip (FTDI Chipset) and conversion circuitry which makes this USB to RS485 converter one of the most reliable adapters on the market.
  • There are no IRQ & COM port conflicts, since the port do not require any additional IRQ, DMA, memory as resources on the system.
  • Plug-and-Play, No power supply needed. Supports windows 10, 8, 7, Mac and more


This devices allows you to connect RS422 or RS485 serial devices to your computer via USB. 

By taking advantage of the USB bus, the USB Serial Adapter makes it easier than ever to add RS-422 / RS-485 serial ports and serial devices to your system. 

CQRobot Industrial USB to RS-422/485 Serial Adapter Cable is a high quality industrial USB plug and play adapter cable designed to instantly add a RS-422/485 port to your PC or Mac system via USB port. It is the ideal solution for connecting industrial devices such as laboratory testing and measuring equipment, monitoring devices, material handling equipment, and many more devices where mission critical applications are required. 


  • Camera / Label Printer / Scanner
  • Laptop PC / POS Machine / SCM
  • Fingerprint Attendance / Machine Scanning Machine
  • CNC Machine / Instrumentation


  • Standards: Compliant with USB 2.0, downward compatibility, and standard RS422, RS485.
  • USB signal: VCC, DATA+, DATA-, GND
  • RS422 signal: T/R+, T/R-, RXD+, RXD, GND
  • RS485 signal: T/R+, T/R, GND
  • Working mode: asynchronous working, point-to-point or point-to-more, full duplex 4-line, half duplex 2-line.
  • Directional control: Using data flow automatic control technology, automatic control and data transmission criterion.
  • Band Rate: 300-921600bps, automatically detects serial signal rate.
  • load capacity: support to more each converter allows connecting 32 RS422 interface RS485 or equipment.
  • Transmission range: 1200meter of RS422/485, 5m of USB cable.
  • Interface Protection: 600W surge protection, Plus/Minus 15KV Esd protection.
  • Interface: USB A Male, DB9 Male.
  • signal indication: red for power, green for data sending, yellow for data receiving.
  • Transmission media: twisted-pair or shielded wire.
  • Transmission rate: 921600bps at 300M, 38400bps at 600M, 9600bps at - 1.2KM.
  • Size: 1.2M length, convertor 66 mm * 39 mm * 20 mm.
  • Operating environment: -25 Degree Celsius to 70 Degree Celsius, relative humidity at 5% to 95%.
  • Support Windows98 / Windows2000 / XP / Vista / Win7 / Win8 / Win10 / ME, Linux, MAC, Android, Arduino.



  • 1 * CD Driver
  • 1 * Instructions for use
  • 1 * DB9 to 5P Converter
  • 1 * USB to RS422 / RS485 Converter

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  • Views: 8222
  • Product Code: CQR05019
  • Availability: In Stock
  • $20.50
  • Ex Tax: $20.50