StarTech.com 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 & Linux - TAA
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StarTech 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 & Linux , TAA (PEX2S953LP)
Part PEX2S953LP · UPC 065030881166
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Add to cart Continue browsing- 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 PEX2S952LP
- 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
- VERSATILE APPLICATIONS: For standard/low profile desktop/servers w/ uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanner, oscilloscope
- STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; PCIe RS232 Serial expansion card is backed for life by StarTech.com, incl. free 24/5 North America based multi-lingual tech support
About this product
PCI Express to Serial Adapter | 921.4Kbps | Windows® and Linux® Compatible
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.
Manufacturer warranty information
Lifetime
Ports & interfaces
- Host interface
- Mini PCI Express
- Output interface
- Serial
- Expansion card standard
- PCIe 1.1
- Serial ports quantity
- 2
- Serial interface type
- RS-232
- Peripheral (Molex) power connectors (4-pin)
- 1
Design
- Internal
- Yes
- Mean time between failures (MTBF)
- 222366 h
- Certification
- CE, FCC
Features
- Chipset
- Asix AX99100
- Baud rate
- 921.6 Kbit/s
- FIFO (First In, First Out)
- 256 B
- Data bits
- 5, 6, 7, 8, 9
- Stop bits
- 1, 1.5, 2
- Parity bit
- Even, Mark, No, Odd, Space
- Flow Control type
- No, RTS/CTS, XON/XOFF
Operational conditions
- Operating temperature (T-T)
- -10 - 80 °C
- Storage temperature (T-T)
- -20 - 100 °C
- Operating relative humidity (H-H)
- 5 - 85%
System requirements
- Windows operating systems supported
- Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64
- Linux operating systems supported
- Yes
- Server operating systems supported
- Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Technical details
- Compliance certificates
- RoHS
Weight & dimensions
- Width
- 67 mm
- Depth
- 98 mm
- Height
- 18 mm
- Weight
- 55.6 g
Packaging data
- Quantity
- 1
- Mounting brackets included
- Yes
- Manual
- Yes
- Package width
- 144 mm
- Package depth
- 175 mm
- Package height
- 33 mm
- Package weight
- 146.4 g
Logistics data
- Harmonized System (HS) code
- 84733020
- Products per master (outer) case
- 75 pc(s)
- Master (outer) case width
- 693 mm
- Master (outer) case length
- 360 mm
- Master (outer) case height
- 338 mm
Specifications and images: Database Right data-sheet 2026 Icecat. All rights reserved. Supplied as is, without warranty. Specs Icecat · Open Content License