StarTech.com PEX1S953LP - Card - 1 Port RS232 Serial Adapter PCIe
Features
This RS232 Serial Adapter Card lets you add an RS232 DB9 serial port 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
- 128-byte depth FIFO per transmitter and receiver
- Supports 9, 8, 7, 6, 5 data bits
- Asix AX99100 chipset
- PCI Express 1.1 compliant
- PEX1S953LP is backed by a StarTech.com lifetime warranty and free lifetime technical support.
Applications
- Install in home or office workstationsConnect in retail POS applications
- Connect to automated self-service kiosks or ATM machines
- Interact with RS232 serial devices like card readers or printers
Specifications
Technical Specifications
| Bus Type | PCI Express |
|---|---|
| Card Type | Low Profile (SP bracket incl.) |
| Chipset ID | Asix AX99100 |
| Interface | Serial |
| Port Style | Integrated on Card |
| Ports | 1 |
| Data Bits | 5, 6, 7, 8, 9 |
| FIFO | 256 Bytes |
| Flow Control | None, Xon/Xoff, RTS/CTS |
| Max Baud Rate | 921.6 Kbps |
| Parity | None, Odd, Even, Space, Mark |
| Serial Protocol | RS-232 |
| Stop Bits | 1, 1.5, 2 |
| Connector Type(s) | 1 - PCI Express x1 Male |
| External Ports | 1 - DB-9 (9 pin, D-Sub) Male |
| Internal Ports | 1 - LP4 (4 pin; Large Drive Power) Male Input |
| Microsoft WHQL Certified | Yes |
| OS Compatibility | Windows® 7, 8, 8.1, 10Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016Linux 2.4.x to 2.6.x LTS Versions only |
| Note | Selectable power output on pin 9 of the serial port |
| Humidity | 20~80% RH |
| Operating Temperature | 0°C to 70°C (32°F to 158°F) |
| Storage Temperature | -20°C to 80°C (-4°F to 176°F) |
| Product Height | 5.9 in [15 cm] |
| Product Length | 3.9 in [98 mm] |
| Product Width | 2.6 in [67 mm] |
| Weight of Product | 1.6 oz [44 g] |
| Brand | StarTech.com |
|---|---|
| Product Type | Networking > Network Cards |
| Weight | 0.05 kg |
| Warranty |
|---|
Note:
Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
All warranties are return to base unless otherwise specified.
Shipping Information
- Free NZ-wide shipping on orders over $299
- Standard delivery 2–5 business days
- Rural delivery may take an additional 1–2 days
- Same-day dispatch for orders placed before 2pm (weekdays)
Returns Policy
- 7-day returns on unused items in original packaging
- Faulty or damaged products covered under warranty
- Contact our support team to initiate a return








