4-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
Product Code: PEX4S953LP

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PCI Express to Serial Adapter | 921.6Kbps | Windows and Linux Compatible

This PCI Express RS232 serial adapter card lets you add four RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot. The 4 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 PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with low-profile brackets and includes optional full-profile brackets, so installation is easy regardless of the case form factor. This card is a direct replacement for PEX4S952LP.  

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 921.6Kbps 

Provides 5/12V power output on Pin 9 when external power is connected 

256-byte depth FIFO cache per transmitter and receiver 

Supports 9, 8, 7, 6, 5 data bits (one per port) 

Asix AX99100 chipset 

PCI Express 1.1 compliant 

The Choice of IT Pros Since 1985 conducts thorough compatibility and performance testing on all our products to ensure we are meeting or exceeding industry standards and providing high-quality products to IT Professionals. Our local Technical Advisors have broad product expertise and work directly with our Engineers to provide support for our customers both pre and post-sales.  

PEX4S03LP is backed by a lifetime warranty and free lifetime technical support. 

The Advantage

- Install in home or office workstations
- Connect to automated self-service kiosks or ATM machines
- Connect in retail POS applications
- Connect serial printers and other legacy devices to modern computers
Certification CE, FCC
Colour of product Green
Internal Y
Mean time between failures (MTBF) 214358 h
Logistics data
Master carton height 23.5 cm
Master carton length 35 cm
Master carton width 48 cm
Quantity per master carton 16 pc(s)
Operational conditions
Operating relative humidity (H-H) 5 - 85%
Operating temperature (T-T) -10 - 80 °C
Storage temperature (T-T) -20 - 100 °C
Packaging content
Mounting brackets included Y
Quantity 1
Quick installation guide Y
Packaging data
Cables included Serial
Package weight 370 g
Baud rate 921.6 Kbit/s
Chipset Asix AX99100
Data bits 5,6,7,8,9
FIFO (First In, First Out) 256 B
Flow Control type N, RTS/CTS, XON/XOFF
Parity bit Even, Mark, N, Odd, Space
Stop bits 1,1.5,2
Ports & interfaces
Expansion card standard PCIe 1.1
Host interface PCIe
Output interface Serial
Linux operating systems supported Y
Server operating systems supported Windows Server 2003,Windows Server 2008 R2,Windows Server 2012,Windows Server 2012 R2,Windows Server 2016
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 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 8.1,Windows 8.1 Enterprise,Windows 8.1 Enterprise x64,Windows 8.1 Pro,Windows 8.1 Pro x64,Windows 8.1 x64
Technical details
Sustainability certificates RoHS
Weight & dimensions
Depth 63 mm
Height 18 mm
Package depth 149 mm
Package height 51 mm
Package width 213 mm
Weight 264 g
Width 75 mm

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