Brainboxes 8 Port RS422/485 USB to Serial Adapter

Brainboxes US-842

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Contact us and save even more if you meet these Big Deal qualifications.
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Model US-842

UPC Code: 837324001907

Provantage Code:  BRBX03H

Condition:  Factory New

  • Product Type: Multiport Serial Adapter
  • Host Interface: USB 2.0
  • Limited Warranty: Lifetime
  • Country of Origin: United Kingdom
  • Thickness: 8.5"
  • TAA Compliant: Yes

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NetworkingNetwork DevicesNetwork Interface Cards


Brainboxes US-842 Specifications

    8 Port RS422/485 USB to Serial Adapter

At a Glance

    • 8 Port RS-422/485 USB to Serial Server
    • Data rate from 300 to 921,600 baud
    • High Retention USB Socket, IP30 Rated Case
    • Drivers for all popular operating systems including Windows 8
    • Screw Lock Power Supply included
    • Lifetime Warranty and Support


    USB to Serial Server providing 8 RS422/485 serial ports. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 384 byte receive FIFOS, coupled with 1Mbit line drivers deliver uncompromising performance on your laptop/PC.

    Drivers for Windows 32 bit and 64 bit Operating Systems including Windows XP, Server 2003, Vista, Server 2008, Windows 7 and Windows 8 with additional drivers for both Mac OS X and Linux.

Environmental Certification




Product Name8 Port RS422/485 USB to Serial Adapter
Product TypeMultiport Serial Adapter
TAA CompliantYes
Form FactorDIN Rail Mountable


Host InterfaceUSB 2.0
Environmentally FriendlyYes
Number of Serial Ports8
Country of OriginUnited Kingdom
Product ModelUS-842
Limited WarrantyLifetime
Platform SupportedPC



WARNING: Products with exposed solder can expose you to lead and lead compounds, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Always wash your hands after handling and avoid inhalation of fumes if heating the solder. For more information go to www.P65Warnings.ca.gov.
Considering a Volume Purchase?
You may be able to save even more on your order if you meet the following Brainboxes BIG DEAL qualifications:

Purchase at least quantity 100 or a minimum of $1,500 of Brainboxes products to qualify.

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Brainboxes Model US-842