Brainboxes USB to Serial converter adapters come in 1, 2, 4 and 8 ports as RS232 or RS422/485.

Brainboxes USB to Serial Range 1,2,4,8 Ports RS232 and RS422/485
  • Baud rates from 110 to 921,600
  • Simple installation
  • Works where many USB to serial converters do not
  • Brainboxes proven software drivers, enable the serial port to behave just like a real COM port attached to the PC motherboard
  • Robust software for excellent application compatibility
  • Brainboxes Lifetime Warranty and Support

Products in Range

Protocol\Ports 1 Port 2 Ports 4 Ports 8 Ports


US-101 - 1 Port RS232 USB to Serial Adapter


US-235 - Tough Compact 1 Port RS232 USB to Serial Adapter


US-257 - 2 Port RS232 USB to Serial Adapter


US-701 - 4 Port RS232 USB to Serial Server


US-279 - 8 Port RS232 USB to Serial Adapter



US-324 - 1 Port RS422/485 USB to Serial Adapter


US-320 - Tough Compact 1 Port RS422/485 USB to Serial Adapter


US-313 - 2 Port RS422/485 USB to Serial Adapter


US-346 - 4 Port RS422/485 USB to Serial Server


US-842 - 8 Port RS422/485 USB to Serial Adapter



Range Description

USB is a widely accepted PC user interface standard. This range has been designed to be stylish enough for desktop environments and rugged enough to withstand the industrial market environments. The proven, robust and reliable Boost software ensures these devices have the functionality and performance for even demanding applications.

Being hot plugable and plug & play devices makes USB a very attractive way to add serial connectivity to your platform.

USB is the worlds most popular interconnection standard with over 3Billion devices shipped last year. The plug & play USB experience is one of the reasons USB has stormed the world. In a laboratory or industrial setting many people want the USB connectivity convenience but also want high reliability devices and connections.

At Brainboxes we designed ranges of both mobile Laboratory devices and Industrial metal cased products to be extremely robust even in hard hat environments. Brainboxes Boost software provides an excellent User Interface with state of the art compatibility and data integrity.

Rugged Enclosures

IP30 rated rugged metal housing, means that the brainboxes usb serial device can operate in industrial environments

IP-30 rated rugged, high strength, metal case protects the device in any environment from industrial to office based.

IP (International Protection Rating) Code specifies that objects greater than 2.5mm in diameter cannot penetrate the case, this means that the hardened metal case provides a safety barrier from objects (such as tools and wires) interfering with the internal circuitry.

DIN rail and Wall mountable

DIN rails and wall mountable
DIN Rail and Wall mountable

Optional DIN Rails

The DIN rails are an optional accessory. This allows the device to be mounted in a Server rack or any DIN rail fitted equipment rack. The DIN rails conform to IEC International Standard 60715 and European Standard EN 50022.

Integrated Wall Mount

All brainboxes serial to usb adapters have integrated wall mount points which are located on either side of the device (also known as Ears). Screws on nails can be used to attached the device through the wall point ears to a wall, table or any firm flat surface.

High Retention USB

High Retention USB cable and screw fit power supply
High Retention USB socket (all models) and screw fit power supply (only 8 port models and 4 port RS422/485 require power)

Brainboxes USB to serial range includes high Retention USB socket (all industrial models) and screw fit power supply (only 8 port models and 4 port RS422/485 require power)