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For shipping to USA, Canada and Mexico only. Please send inquiries to for the rest of Americas.
Please visit for other regions.
For shipping to USA, Canada and Mexico only. Please send inquiries to for the rest of Americas.
Please visit for other regions.

USB to RS232 Adapters (FULL SPEED)

SKU ES-U-1008B

<< Special Promotion>>

Purchase 1 pc of Duoette Get 1 pc of USB A to Micro B Cable (1M) FREE*         

* Whilst stocks last

Our USB to RS232 adapters make it easy to connect RS232 devices to a USB port on your computer. They allow you to add additional RS232 ports to your computer or to use RS232 devices on newer computers which don’t have RS232 ports. The adapters are easy to install and are supported by drivers on a range of operating systems.

  • Based on the renowned FTDI USB-serial chipsets and drivers
  • Microsoft Windows® WHQL-certified, macOS, Linux and Windows CE device drivers
  • Each RS232 port appears as a Virtual Com Port allowing easy use with existing application programs
  • Compact and robust design in a variety of enclosure styles
  • Transmit and Receive LED indicators help to confirm operation and assist in troubleshooting
  • Available in 1, 2 and 8-port versions
  • Powered from the USB port, no external power needed
  • USB 2.0 Full Speed (compatible with all USB ports including USB3)
  • -40°C to +85°C extended operating temperature range
  • Automatic Hardware (RTS / CTS) and software (X-on/X-off) flow control
  • Multi-port units create a separate COM port for each RS232 port with separate settings (such as baud rate and flow control) per port
  • CE / FCC approved
  • For Duoette, it does not include cables. Available cables are Micro-B to Type A and Micro-B to Type C.  Cables : MB-A-1M-BK, MB-A-2M-BK, MB-C-1M-BK, MB-C-2M-BK

Feel free to browse through the corresponding datasheet for more information.

Part Number Document Type Version File
DuoEtte  Datasheet 1.2 Download
USB2-F-1001-A  Datasheet 1.2 Download
USB2-F-1001 Datasheet 1.4 Download
USB2-F-1001  Quick Start Guide  1.1 Download


2.2 Download
All Products

Drivers Installation Guide

1.1 Download
Driver  Download Virtual COM Port (VCP) Drivers for Windows, Mac OS and Linux
Software Type USB COM Configuration Utility
Order Information

From 20 November 2020 onwards, orders placed for ES-U-1001-A will not include USB extension cable.


Ports Housing Connector
USB2-F-1001-A 1 ABS USB-A
USB2-F-1001 1 ABS USB-B 
ES-U-1001-A 1 ABS (Transparent) USB-A
ES-U-1002-A 2 ABS USB-A


Din Rail Bracket (DR-201) the rank mount clip is available for sales. if required, please contact us at

2 Metal USB-B 
ES-U-1008B 8 ABS USB-B