Help us improve our website
Overall Experience
For customer service or product related questions please e-mail pcnationcares@pcnation.com or call 800-235-4050.
Your feedback has been submitted successfully.
FREE 3 DAY DELIVERY: Over $100 under 50 lbs  Get Details

SIIG DP 2-Port RS422/485 PCI Adapter Card

Need Help? Talk to a Specialist
Live Chat
by  SIIG INC    |    PCN#  PW9362    |    MFG#  ID-P20111-S1    |   
Usually ships:
Product Highlights:
  • PCI
  • 2 x DB
  • 9 Male RS
  • 232 Serial
Product Condition: New and Factory Fresh
Limited Warranty: Lifetime
Shipping Weight: 1 lbs.
List Price: $99.99
Our Price: $64.84
You Save: $35.15 (35%)

SIIG DP 2-Port RS422/485 PCI Adapter Card

SIIG's DP 2-Port RS422/485 PCI Adapter Card easily adds two 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 2-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 2-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.

General Information

ManufacturerSIIG, Inc

Manufacturer Part NumberID-P20111-S1

Manufacturer Website Addresshttp://www.siig.com

Brand NameSIIG

Product NameDP 2-Port RS422/485 PCI Adapter Card

Packaged Quantity1

Product TypeMultiport Serial Adapter

Technical Information

Technical Information

Host InterfacePCI

Data Transfer RateUp to 921 kbit/s

Platform SupportedPC


Ports1 x 44-pin DB-44 Female

Ports Expandability2 x 9-pin DB-9 Male RS-232 - Serial

Physical Characteristics

Dimensions4.7" Height x 5.3" Width x 0.7" Thickness

Form FactorPlug-in Card



Thickness710 mil

Weight (Approximate)2.08 oz


Package Contents
  • DP 2-Port RS422/485 PCI Adapter Card
  • Spare Enhanced Low-profile Bracket
  • Fan Out Cable
  • Driver CD
  • 4 x Jumpers
  • User's Manual

Environmentally FriendlyYes

Environmental CertificationRoHS

Country of OriginChina


Limited WarrantyLifetime