BRAINBOXES 

Brainboxes US-346 4-port Serial Hub

Mfg Part Number:  US-346  
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Price: $278.78 + Free Shipping
Quantity:
More to Come
Last Updated: Aug 10, 2025
No Sales Tax except these states
, PO and Wire.

USB to Serial server providing four RS422/485 serial ports. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 256 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.

Main Specification
General Information
Manufacturer Brainboxes Limited
Manufacturer Part Number US-346
Manufacturer Website Address http://www.brainboxes.com
Brand Name Brainboxes
Product Model US-346
Product Name 4 Port RS422/485 USB to Serial Server
Product Type Multiport Serial Adapter
Technical Information
Host Interface USB 2.0
Platform Supported PC
Platform Supported Mac
Platform Supported Linux
Interfaces/Ports
Number of Serial Ports 4
Physical Characteristics
Form Factor DIN Rail Mountable
Form Factor Wall-mountable
Height 1.3"
Width 8.5"
Thickness 4.8"
Weight (Approximate) 1.49 lb
Miscellaneous
Package Contents
  • 4 Port RS422/485 USB to Serial Server
  • Installation CD Including Manual
  • Microsoft Signed Drivers & Utilities
Country of Origin United Kingdom
Environmentally Friendly Yes
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Warranty
Limited Warranty Lifetime
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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