2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows, macOS, Linux

PCI Express to Serial Adapter | 921.4Kbps | Windows® and Linux® Compatible

Product ID: PEX2S953LP

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  • 2 PORT SERIAL CARD: Serial controller card w/16950 UART based on ASIX AX99100, allows 2x DB9 ports w/bi-directional RS232 speeds up to 921.6Kbps per port, available 256 byte FIFO buffer & 9th data bit
  • OPTIONAL CONFIGURABLE POWER: PCI Express RS232 serial adapter card provides choice of 12v, 5v, or none through pin 9 w/up to 2A total; Each of the 2 ports are individually configurable
  • LOW PROFILE BRACKETS PRE-INSTALLED: PCIe multiport serial card comes w/ a low profile bracket preinstalled & a full profile bracket is incl for versatile install; supports Windows XP and up & Linux
Your price
$62.99USD

In stock: US: 760 | CA: 79

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Where to buy

This RS232 Serial Adapter Card lets you add two RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot. It enables you to interact with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 921.4Kbps.

Maximum Compatibility

With broad OS support, including for Windows and Linux, this PCI Express card is easy to integrate into mixed environments. The card comes pre-configured with a low-profile bracket, and includes an optional full-profile bracket, so installation is easy regardless of the case form factor.

Experience Optimal Technology

This PCIe to serial adapter supports the following features:

  • Compatible with industry standard 16950 UART
  • Supports max baud rate of up-to 921.4Kbps
  • Provides 5/12V power output on Pin 9 when external power is connected
  • 256-byte depth FIFO per transmitter and receiver
  • Supports 9, 8, 7, 6, 5 data bits
  • Asix AX99100 chipset
  • PCI Express 1.1 compliant

PEX2S953LP is backed by a StarTech.com lifetime warranty and free lifetime technical support.

Applications

  • Install in home or office workstations
  • Connect in retail POS applications
  • Connect to automated self-service kiosks or ATM machines
  • Interact with RS232 serial devices like card readers or printers

Partner Numbers

  • Tech Data 13657021
  • Ingram Micro USA 6PB309
  • ASI 229986
  • D&H PEX2S953LP
  • SYNNEX US STA-PEX2S953LP
  • UPC 065030881166

Compatibility

  • Windows 8 logo
  • Windows Server 2012 logo
  • Linux logo
  • Windows Server 2016 logo
  • Windows 10 logo
Windows® 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016
Linux 2.4.x to 2.6.x LTS Versions only

Specifications

Warranty Information Warranty Lifetime
Connector(s) Connector Type(s) 1 - PCI Express x1
Internal Ports 1 - LP4 (4 pin; Large Drive Power)
External Ports 2 - DB-9 (9 pin, D-Sub)
Environmental Operating Temperature -10°C to 80°C (14°F to 176°F)
Storage Temperature -20°C to 100°C (-4°F to 212°F)
Humidity 5~85% RH
Hardware Ports 2
Interface Serial
Bus Type PCI Express
Card Type Low Profile (SP bracket incl.)
Port Style Integrated on Card
Chipset ID Asix AX99100
Packaging Information Package Height 1.3 in [32 mm]
Package Length 6.8 in [17.2 cm]
Shipping (Package) Weight 0.7 lb [0.3 kg]
Package Width 5.6 in [14.2 cm]
Performance Serial Protocol RS-232
Max Baud Rate 921.6 Kbps
Data Bits 5, 6, 7, 8, 9
FIFO 256 Bytes
Flow Control None, Xon/Xoff, RTS/CTS
Parity None, Odd, Even, Space, Mark
Stop Bits 1, 1.5, 2
MTBF 222,366 hours
Physical Characteristics Product Height 3.1 in [8 cm]
Product Length 4.1 in [10.5 cm]
Weight of Product 3.4 oz [95 g]
Product Width 0.9 in [22 mm]
Software OS Compatibility Windows® 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016
Linux 2.4.x to 2.6.x LTS Versions only
Microsoft WHQL Certified Yes
Special Notes / Requirements Note Selectable power output on pin 9 of the serial port
What's in the Box Included in Package 1 - PCIe Serial Card
1 - Full-Profile Bracket
1 - User Manual

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Drivers/Downloads

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Driver(s):

Manual(s):

Datasheet

Product Support

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Frequently Asked Questions

Troubleshooting

Older applications that use serial communication often use legacy hardware addresses that do not work with PCI, PCIe, or USB to Serial products. We recommend contacting the software provider/support team to check if this is the case.

Compliance and safety

Compliance letters

Safety Measures

  • If product has an exposed circuit board, do not touch the product under power.
  • If Class 1 Laser Product. Laser radiation is present when the system is open.
  • Wiring terminations should not be made with the product and/or electric lines under power.
  • Product installation and/or mounting should be completed by a certified professional as per the local safety and building code guidelines.
  • Cables (including power and charging cables) should be placed and routed to avoid creating electric, tripping or safety hazards.
*Product appearance and specifications are subject to change without notice.

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