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StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux, TAA (PEX2S953)

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Product details

Management number 208555848 Release Date 2026/03/22 List Price US$18.78 Model Number 208555848
Category

This multiport PCI Express RS232 serial adapter card lets you add two RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot, as if they were native serial ports. The dual port PCIe serial card enables you to interact with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 921.6Kbps. Maximum Compatibility With broad OS support, including for Windows and Linux, this 2 port PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-profile bracket, and includes optional low-profile brackets, so installation is easy regardless of the case form factor. This card is a direct replacement for PEX2S952. Experience Optimal Technology This PCIe to serial adapter is: industry standard 16950 UART compatible, supports max baud rate of up-to 921.6Kbps, provides 5/12V power output on Pin 9 when external power is connected, has a 256-byte depth FIFO cache per transmitter and receiver, supports 9, 8, 7, 6, 5 data bits (one per port), features an Asix AX99100 chipset, and is base PCI Express 1.1 compliant. Guaranteed Reliability PEX2S953 is backed by a StarTech.com lifetime warranty and free lifetime technical support.

  • 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 | Upgraded version of our popular card PEX2S952
  • 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
  • STANDARD PROFILE & LOW PROFILE BRACKET: PCIe multiport serial card comes w/ a standard bracket pre-installed & 2x low profile brackets incl for versatile install; supports Windows & Linux
  • VERSATILE APPLICATIONS: For standard profile desktop/servers with uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanners, oscilloscope
Brand StarTech
Series 2-Port PCI Express RS232 Serial Adapter Card - 16950 UART
Item Weight 1.97 ounces
Manufacturer StarTech.com
Operating System Linux,Windows
Item model number PEX2S953
Product Dimensions 2.95 x 2.48 x 0.59 inches
Item Dimensions LxWxH 2.95 x 2.48 x 0.59 inches
Is Discontinued By Manufacturer No

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