BRAINBOXES 

PX-346 Brainboxes 4 Port RS422/485 PCI Express Serial Card

Mfg Part Number:  PX-346  
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Price: $351.79 + Free Shipping
Quantity:
More to Come
Last Updated: Oct 24, 2025
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PCI Express Card providing four RS422/485 serial ports. Data transfer rates up to 921,600 baud rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your PC. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows 2000, XP, Server 2003, Vista, Server 2008, Windows 7 and Windows 8.

Main Specification
General Information
Manufacturer Brainboxes Limited
Manufacturer Part Number PX-346
Manufacturer Website Address http://www.brainboxes.com
Brand Name Brainboxes
Product Name 4 Port RS422/485 PCI Express Serial Card
Product Type Multiport Serial Adapter
Technical Information
Host Interface PCI Express x1
Maximum Data Transfer Rate 900 kbit/s
Platform Supported PC
Interfaces/Ports
Ports Expandability 4 x DB-9 RS-422/485 - Serial
Physical Characteristics
Form Factor Plug-in Card
Height 4.7"
Width 0.7"
Thickness 6.1"
Weight (Approximate) 2.57 oz
Miscellaneous
Package Contents
  • 4 Port RS422/485 PCI Express Serial Card
  • Installation CD Including Manual
  • Microsoft Signed Drivers & Utilities
Country of Origin United Kingdom
TAA Compliant Yes
Environmentally Friendly Yes
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Warranty
Limited Warranty Lifetime
product information
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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