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StarTech.com 1-port PCI Express RS232 Serial Adapter Card
Windows/macOS/Linux
Full/Low-Profile (PEX1S953LP)
Serial adapter
PCI Express x1 low profile
RS-232 x 1
Weight: 0.10 KG
- 1 PORT SERIAL CARD: Serial controller card w/ 16950 UART based on ASIX AX99100A, allows 1x DB9 port 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 PEX1S952LP
- OPTIONAL CONFIGURABLE POWER: PCI Express RS232 serial adapter card provides choice of 12v, 5v, or none through pin 9 w/up to 2A total
- STANDARD PROFILE & LOW PROFILE BRACKET: PCIe serial card comes w/ a low profile bracket pre-installed & 1x full profile bracket is incl for versatile install; Supports Windows & Linux
- VERSATILE APPLICATIONS: For low/standard profile desktop/servers w/ uses in point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanner, oscilloscope
- THE IT PRO’S CHOICE: Designed and built for IT Professionals, this PCIe serial adapter card is backed for life, including free lifetime 24/5 multi-lingual technical assistance
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Overview
The StarTech.com 1-port PCI Express RS232 Serial Adapter Card provides a solution for adding serial communication capabilities to a desktop system. This adapter is compatible with the PCI Express x1 bus interface and features a single 9-pin D-Sub (DB-9) connector, making it easy to connect to various devices. With support for full duplex mode and a data transfer rate of 921.6 Kbps, it ensures efficient data transmission. The design includes a low-profile form factor suitable for compact cases, while adhering to standards such as WHQL, FCC, RoHS, and WEEE, making it a choice for technology setups requiring serial ports. Operating within a temperature range of 0°C to 70°C and a humidity level of 20 to 80%, this adapter card is built to perform in various environments. It utilizes a 256-byte FIFO buffer for enhanced data handling and stability. Whether used for legacy devices or modern equipment, this RS-232 adapter card from StarTech.com represents a practical solution for expanding connectivity options in personal or professional settings.
Main Specifications
- Product Description
- Startech 1-port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Host Controller Card, PCIe to Serial DB9 COM Port, 16950 UART, Low Profile Expansion Card, Windows/macOS/Linux - Full/Low-Profile (PEX1S953LP) - serial adapter - PCI Express x1 - RS-232 x 1
- Device Type
- Serial adapter
- Form Factor
- Plug-in card - low profile
- Interface (Bus) Type
- PCI Express x1
- PCI Specification Revision
- PCIe 1.1
- Ports
- RS-232 x 1
- Dimensions (WxDxH)
- 4.62 cm x 9.8 cm x 1.8 cm
- Weight
- 46.2 g
- Data Link Protocol
- RS-232
- Data Transfer Rate
- 921.6 Kbps
- Processor
- ASIX AX99100
- System Requirements
- Microsoft Windows Server 2003, Microsoft Windows Server 2008 R2, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows Server 2016, Linux 2.4 - 2.6.x
- Manufacturer Warranty
- Limited lifetime warranty
Product Features
Reliable connectivity
The adapter features a single 9-pin D-Sub (DB-9) connector which allows for secure connections to a variety of serial devices, enhancing system communication capabilities.
Robust performance
Operating within a temperature range of 0°C to 70°C and a humidity range of 20 to 80%, the adapter is designed to perform steadily across various environmental conditions.
Efficient data handling
With a 256-byte FIFO buffer, this adapter card increases data handling capability, allowing for smooth data flow and minimizing transmission errors.
Versatile compliance
Compliant with standards such as WHQL, FCC, RoHS, and WEEE, the adapter ensures reliability and safety in diverse applications.
High-speed data transfer
Achieving data transfer rates of up to 921. 6 Kbps, this adapter card manages data transfer applications with efficiency.
Specifications
Technical details
- Compliance certificates
- CE, RoHS
- Sustainability compliance
- Yes
Weight & dimensions
- Width
- 67 mm mm
- Depth
- 98 mm mm
- Height
- 150 mm mm
- Weight
- 44 g g
Packaging data
- Quantity
- 1
- Mounting brackets included
- Yes
- Manual
- Yes
- Package width
- 143 mm mm
- Package depth
- 174 mm mm
- Package height
- 33 mm mm
- Package weight
- 112 g g
Logistics data
- Harmonized System (HS) code
- 84733020
- Products per master (outer) case
- 75 pc(s) pc(s)
- Master (outer) case width
- 694 mm mm
- Master (outer) case length
- 358 mm mm
- Master (outer) case height
- 325 mm mm
Ports & interfaces
- Host interface
- PCIe
- Output interface
- Serial
- Expansion card standard
- PCIe 1.1
- Serial ports quantity
- 1
- Serial interface type
- RS-232
- Peripheral (Molex) power connectors (4-pin)
- 1
System requirements
- 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 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 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
Design
- Internal
- Yes
- Product colour
- Green
- Mean time between failures (MTBF)
- 277385 h h
Features
- Chipset
- Asix AX99100
- Baud rate
- 921.4 Kbit/s Kbit/s
- FIFO (First In, First Out)
- 256 B B
- Data bits
- 5, 6, 7, 8, 9
- Stop bits
- 1, 1.5, 2
- Flow control support
- Yes
- Parity bit
- Even, Mark, No, Odd, Space
- Flow Control type
- No, RTS/CTS, XON/XOFF
Operational conditions
- Operating temperature (T-T)
- 0 - 70 °C °C
- Storage temperature (T-T)
- -20 - 80 °C °C
- Operating relative humidity (H-H)
- 20 - 80% %





