StarTech.com PEX2S953 2-Port PCIe RS232 DB9 Serial Adapter 16950 UART
StarTech.com PEX2S953 2-Port PCIe RS232 DB9 Serial Adapter 16950 UART
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Description
StarTech.com PEX2S953 2-Port PCIe RS232 DB9 Serial Adapter 16950 UART
This is a StarTech.com 2-port PCI Express RS232 serial adapter card that adds two RS232 (DB9) serial ports to your computer through a PCI Express slot. The PEX2S953 PCIe to dual serial DB9 RS-232 controller with 16950 UART supports Windows and Linux, enabling interaction with serial devices like card readers, printers, PIN pads, and modems at speeds up to 921.6 Kbps. MPN: PEX2S953; UPC: 065030888332.
Key Features of StarTech.com 2-Port PCI Express RS232 Serial Adapter
- Dual RS232 DB9 Ports – Native-like performance for serial peripherals via PCIe expansion.
- 16950 UART – Industry-standard compatibility with 256-byte FIFO per transmitter/receiver for reliable high-speed data transfer.
- 921.6 Kbps Max Baud Rate – Supports fast communication; configurable data bits: 9, 8, 7, 6, 5 per port.
- ASIX AX99100 Chipset – PCI Express 1.1 x1 compliant for broad system integration.
- Power Output – 5/12V on Pin 9 when external power connected, ideal for powered serial devices.
- Bracket Options – Pre-configured full-profile with included low-profile bracket for any case form factor.
- OS Support – Windows and Linux compatible; direct replacement for PEX2S952.
- Environmental Compliance – RoHS, REACH, WEEE; made in Taiwan.
Comprehensive Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | StarTech.com |
| Brand Name | StarTech.com |
| Manufacturer Part Number | PEX2S953 |
| Product Name | 2-Port PCI Express RS232 Serial Adapter Card - 16950 UART |
| UPC | 065030888332 |
| Product Type | Serial Adapter |
| Host Interface | PCI Express 1.1 x1 |
| UART Type | 16950 |
| Chipset | ASIX AX99100 |
| Number of Serial Ports (External) | 2 (RS232 DB9) |
| Max Baud Rate | 921.6 Kbps |
| FIFO Buffer | 256-byte depth per transmitter and receiver |
| Data Bits Supported | 9, 8, 7, 6, 5 (per port) |
| Power Output | 5/12V on Pin 9 (with external power) |
| Platform Supported | PC, Linux, Windows |
| Form Factor | Plug-in Card |
| Card Height | Low-profile / Full-profile |
| Card Dimensions (H x W x L) | 0.6" x 2.5" x 3" |
| Weight | 0.30 lbs |
| Package Dimensions (H x W x D) | 1.20" x 5.50" x 6.90" |
| Country of Origin | Taiwan |
| Environmental Compliance | RoHS, REACH, WEEE |
| Warranty | StarTech.com Lifetime Warranty |
Package Contents
- 2-Port PCI Express RS232 Serial Adapter Card - 16950 UART
- 1 x Low Profile Bracket
- 1 x Quick Start Guide
Installation Overview
Easy installation in any PCIe slot; pre-configured with full-profile bracket, low-profile included for compact cases. Broad OS support ensures seamless integration.
Add reliable RS232 serial ports with StarTech.com PEX2S953—enhance your system connectivity today!
Type: Serial Adapter
MPN: PEX2S953
Compatible Brand: StarTech.com
Country of Origin: Taiwan
Compatible Port: PCI Express x1
External Interfaces: Serial (RS-232)
Number of Ports: 2 Ports
Model: PEX2S953
Item Height: 0.6 in
Item Length: 3 in
Item Width: 2.5 in
Manufacturer Warranty: Lifetime
Brand: Does not apply
UPC: 065030888332
