SIIG 

ID-P40311-S1 SIIG DP 4-Port RS422/485 PCI Adapter Card

Mfg Part Number:  ID-P40311-S1  
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Price: $142.87
Quantity:
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Last Updated: Aug 14, 2026
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SIIG's DP 4-Port RS422/485 PCI Adapter Card easily adds four RS-422/485 serial ports with 15KV ESD protection to your PCI enabled desktop computer. This high quality RS-422/485 serial adapter card supports serial port data transfer rates of up to 921Kb/s, features built-in 128-byte FIFO buffers and RS-422/RS-485 auto detection and auto switching. The DP 4-Port RS422/485 PCI Adapter Card packs powerful and advanced technologies such as 15KVDC ESD protection for the serial port interface to ensure reliable data transfer, stable performance and long life and dual-profile design to fit into either full height or low profile system chassis with the included brackets.

The DP 4-Port RS422/485 PCI Adapter Card supports a wide variety of Windows operating systems, meets RoHS hazardous materials standards, comes with FCC and CE regulatory approvals and is backed by SIIG's limited lifetime warranty.

Main Specification
General Information
Manufacturer SIIG, Inc
Manufacturer Part Number ID-P40311-S1
Manufacturer Website Address http://www.siig.com
Brand Name SIIG
Product Name DP 4-Port RS422/485 PCI Adapter Card
Packaged Quantity 1
Product Type Multiport Serial Adapter
Technical Information
Host Interface PCI
Maximum Data Transfer Rate 7.20 Mbit/s
Platform Supported PC
Interfaces/Ports
Ports Expandability 4 x DB-9 RS-232 - Serial
Physical Characteristics
Form Factor Plug-in Card
Height 4.7"
Width 5.3"
Thickness 710 mil
Weight (Approximate) 2.24 oz
Miscellaneous
Package Contents
  • DP 4-Port RS422/485 PCI Adapter Card
  • Spare Enhanced Low-profile Bracket
  • Fan Out Cable
  • Driver CD
  • 8 x Jumpers
  • User's Manual
Country of Origin China
Environmentally Friendly Yes
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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