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StarTech 2-Port PCIe RS232 Serial DB9 Adapter Card - PEX2S953

VENDOR: STARTECH Mfg Part#: PEX2S953 UPC#: 065030888332
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$69.00
$69.00
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MSRP: $85.00
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  • Plug-in PCI Express x1 interface for easy installation
  • Supports 2 RS-232 DB9 serial ports with 16950 UART
  • Data transfer rates up to 921.6 Kbps per port
  • 256-byte FIFO buffer for efficient data handling
  • Selectable pin 9 power output (5V, 12V, or none) with 2A total
  • TAA compliant and manufactured in Taiwan

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Key Benefits

Eye-Insights
  • Ideal for industrial or legacy device integration requiring RS-232 connections
  • High-speed bi-directional communication with support for large FIFO buffers ensures reliability in data-heavy setups
  • Includes both full-height and low-profile brackets for versatile system compatibility

Product Overview

2-port PCI Express RS232 serial controller card 16950 UART/ASIX AX99100 - Bi-directional speeds 921.6Kbps/port / 256 byte FIFO / 9th data bit - Pin 9 pwr out 5v/12v/none w/up to 2A total - Expansion card w/ Std bracket (low profile incl) - Win/Linux

Specifications

Product Overview
Product Type Serial Adapter Card
Form Factor Plug-In Card
Chipset ASIX AX99100
UART Type 16950 UART
FIFO Buffer 256 bytes per port
Serial Protocol RS-232
Bracket Types Included Standard and Low Profile
Max Power Output per Port 2A total across ports
Selectable Pin 9 Power Output 5V / 12V / None

Physical & Environmental
Dimensions (with Standard Bracket) 120 mm x 80 mm
Dimensions (Low Profile Bracket) 80 mm x 80 mm
Operating Temperature 0°C to 70°C (32°F to 158°F)
Storage Temperature -20°C to 85°C (-4°F to 185°F)
Operating Humidity 5% to 95% RH (non-condensing)
Storage Humidity 5% to 95% RH

Cloud Management & Licensing
Remote Management
Software Included Drivers for Windows and Linux
Licensing Requirements None (hardware-only product)

Warranty & Support
Warranty Lifetime
Technical Support Free lifetime technical support

Interfaces
Host Interface PCI Express x1
Interface Type PCI Express
Ports Qty 2
Port Type DB9 Male (RS-232)
Data Transfer Rate 921.6 Kbps per port
Pin Configuration Standard 9-pin Serial RS-232

Compliance & Origin
TAA Compliant Yes
Country of Origin Taiwan
Certifications CE, FCC, RoHS, REACH

Advanced Security Features
Parity Support Odd, Even, Mark, Space, None
Flow Control Xon/Xoff, RTS/CTS, DSR/DTR
Data Bits Supported 5, 6, 7, 8, 9
Stop Bits Supported 1, 1.5, 2

Package & Compatibility
Included Accessories Low-profile bracket, installation guide
OS Compatibility Windows 7/8/10/11, Linux 2.6.x and later
UPC 065030888332
Manufacturer Part Number PEX2S953