Brainboxes US Series USB to Serial Adaptors

Brainboxes Brand: Brainboxes

The Brainboxes US Series of USB to Serial Adaptors gives you easy access to RS232 and RS422/485 serial ports by simply converting an existing USB port.

  • RS232 and RS422/485 standards
  • Available with 1, 2, 4 and 8 ports
  • Series includes ultra-small and isolated models
  • Brainboxes US series
Description Image Product Buy Pricing (Ex VAT) Connector B Number of Outputs Connector A Number of Inputs Type
Brainboxes US-159 1 Ultra small Port RS232 Isolated USB to Serial Adapter
Brainboxes US-159 1 Ultra small Port RS232 Isolated USB to Serial Adapter
Standard range
Order code: 43-0985
MPN: US-159

Available to back orderBack-order availability date - 20/03/2026
1+ £81.92
Price per unit Ex VAT 		RS232 1 USB 1 USB to Serial Adapter
Brainboxes US-235 1 Ultra small Port RS232 USB to Serial Adapter
Brainboxes US-235 1 Ultra small Port RS232 USB to Serial Adapter
Standard range
Order code: 43-0986
MPN: US-235

Available to back orderBack-order availability date - 20/03/2026
1+ £45.64
Price per unit Ex VAT 		RS232 1 USB 1 USB to Serial Adapter
Brainboxes US-257 2 Port RS232 USB to Serial Adapter
Brainboxes US-257 2 Port RS232 USB to Serial Adapter
Standard range
Order code: 43-0988
MPN: US-257

Available to back orderBack-order availability date - 20/03/2026
1+ £80.88
Price per unit Ex VAT 		RS232 2 USB 1 USB to Serial Adapter
Brainboxes US-279 8 Port RS232 USB to Serial Adapter
Brainboxes US-279 8 Port RS232 USB to Serial Adapter
Standard range
Order code: 43-0992
MPN: US-279

Available to back orderBack-order availability date - 20/03/2026
1+ £271.71
Price per unit Ex VAT 		RS232 8 USB 1 USB to Serial Adapter
Brainboxes US-320 1 Ultra small Port RS422/485 USB to Serial Adapter
Brainboxes US-320 1 Ultra small Port RS422/485 USB to Serial Adapter
Standard range
Order code: 43-0987
MPN: US-320

Available to back orderBack-order availability date - 20/03/2026
1+ £61.19
Price per unit Ex VAT 		RS422 / 485 1 USB 1 USB to Serial Adapter
Brainboxes US-324 1 Port RS422/485 USB to Serial Adapter
Brainboxes US-324 1 Port RS422/485 USB to Serial Adapter
Standard range
Order code: 43-0984
MPN: US-324

Available to back orderBack-order availability date - 20/03/2026
1+ £50.82
Price per unit Ex VAT 		RS422 / 485 1 USB 1 USB to Serial Adapter
Brainboxes US-313 2 Port RS422/485 USB to Serial Adapter
Brainboxes US-313 2 Port RS422/485 USB to Serial Adapter
Standard range
Order code: 43-0989
MPN: US-313

Available to back orderBack-order availability date - 20/03/2026
1+ £147.25
Price per unit Ex VAT 		RS422 / 485 2 USB 1 USB to Serial Adapter
Brainboxes US-842 8 Port RS422/485 USB to Serial Adapter
Brainboxes US-842 8 Port RS422/485 USB to Serial Adapter
Standard range
Order code: 43-0993
MPN: US-842

Available to back orderBack-order availability date - 20/03/2026
1+ £343.03
Price per unit Ex VAT 		RS422 / 485 8 USB 1 USB to Serial Adapter
DescriptionNo. of portsBrainboxes typeOrder code
Ultra Small Profile USB 1 Port RS232 Isolated1US-15943-0985
Ultra Small Profile USB 1 Port RS232 1MBaud1US-23543-0986
USB to Serial Adapter 2 Port RS2322US-25743-0988
USB to Serial Adaptor 8 Port RS2328US-27943-0992
Ultra Small Profile USB 1 Port RS422/485 1MBaud1US-32043-0987
USB to Serial Adapter 1 Port RS422/4851US-32443-0984
USB to Serial Adapter 2 Port RS422/4852US-31343-0989
USB to Serial Adaptor 4 Port RS422/4854US-34643-0991
USB to Serial Adaptor 8 Port RS422/4858US-84243-0993


Trustpilot