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2 Port PCI Express RS422/485 w/ Optical Isolation & Surge Suppression

Special Price $97.97

Regular Price: $139.95

Quick Overview

The SG-PCIE2S422485IS 2 Port RS422 RS485 PCI Express card is designed for easy installation for PC, Work Stations, Thin Client or Server serial applications. Instantly provides 2 DB9 ports for additional serial communication and adds Optical Isolation and Surge Protection to your devices.

Availability: In stock



The SG-PCIE2S422485IS 2 Port PCI RS422 / 485 PCI Express is designed to easily connect 2 additional PCI RS422 / 485 serial ports to your PC, workstation, thin client, or server. This instantly provides RS422 / 485 Serial port expansion via the PCI Express bus with included Optical Isolation & Surge Suppression are Built-In.

The 2 Port PCI Express provides a scalable, high-speed serial I/O bus that maintains backward compatibility with PCI applications and drivers on your system. Its architecture defines a high-performance, point-to-point, scalable, serial bus at speeds of 250Mbytes/sec to 4GBytes/sec (and 8Gbytes/sec in the future).

The SG-PCIE2S422485IS PCI Express card is compatible with new and legacy RS422 / 485 devices. It is easy to install and use with its plug-and-play feature allowing for minimal effort. It provides the scalability to quickly adapt to new serial technologies becoming available. Our entire product line of PCI Cards offer many choices to help expand your network to grow with your requirements.

2 Port PCI RS422 / 485 w/ Optical Isolation and Surge Protection - SG-PCIE2S422485IS

With the PCI Express Plug-and-Play feature and drivers, simply follow the instructions of Install Wizard once the card is installed, It’s that simple. System recognition while installing means you won’t have to deal with I/O address, IRQ jumpers, DMA and others when you are connecting the devices. The System will recognize the device and install the drivers automatically. The SG-PCIE2S422485IS PCI Express card is an ideal solution for your expanding serial applications.


  • Two 16C950 UART Serial Ports over PCI Slot
  • Compliant to PCI Specification 3.0, 133MB/s
  • Supports RS-485 Auto Transceiver Turn Around by Unique Featured ATTATM Hardware
  • Supports Low Profile Form Factor with Short Bracket
  • Two DB9-male Connectors over Octopus Cable
  • 4-wire RS-422/485 and 2-wire RS-485 applications
  • RS-422/485 speed up to 921.6Kpbs
  • Optional DB9 to 5-pin Terminal Block Adapters
  • Supports Win98, Me, NT, XP, Win2000, 2003, 2008, Vista, Win7 and Linux

Additional Features & Specifications:

  • Fully Compliant with x1 PCI Express Base Specifications 1.1
Serial Ports Two DB9-male RS422/485 Connectors, the key benefits are:
  • Connector: Two DB9 Male Connectors
  • Interface: 3 modes are selectable: 4-wire RS422 (TXD+/-, RxD+/-). 4-wire RS485 (TxD+/-, RxD+/-). 2-wire RS485 (Data+/-)
  • Parity: None, Even, Odd
  • Data bits: 5,67,8,9 bits Data Frames
  • Speed: up to 921.6Kbps
  • Terminator: 120 OHM, can be Enabled/Disabled by a Jumper
  • ATTATM: Auto RS485 Transmitter buffer direction control by the ATTATM Hardware. Guarantee Fast Turn Around the Transceiver.
I/O Hardware
  • Two DB9-male Connectors
OS Support
  • Windows 2000, XP, 2003, 2008, Vista, Win 7 and Linux
Environmental Specifications
  • Operating Temperature: 0 to 55°C (32 to 131°F), 10% to 90% relative humidity (non-condensing)
  • Storage Temperature: -40 to 75°C (-40 to 167°F), 5% to 95% relative humidity (non-condensing)
  • Form Factor
    • 3.34” x 2.04” (8.50cm x 5.20cm)

Additional Information

UPC 736983900098
Manufacturer Coolgear
Length No
Color Orange
OS Support Linux, Win 7, Win Vista, Win XP

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