Description
S-Tech PCIe Dual Port RS-232 Serial Card
The S-TECH STC-CH382-2S is a dual-port RS-232 serial expansion card based on the
WCH CH382L PCI Express controller. It adds two independent serial ports to desktop
computers, workstations, servers, industrial PCs and embedded systems.
Designed for reliable serial communication, the adapter is suitable for connecting legacy and
industrial equipment such as POS systems, barcode scanners, modems, CNC machines, data
acquisition equipment and other RS-232 peripherals.
PRODUCT FEATURES
• Dual-port RS-232 serial expansion
• Based on WCH CH382L PCI Express controller
• Two independent UART channels
• 256-byte FIFO buffer per serial port
• Supports high-speed serial communication up to 8 Mbps
• Hardware and software flow control support
• PCI Express x1 interface
• Full-height bracket installed; Low-profile bracket included
Specifications:
| Product Name | STC-WCH2S |
| Product Collection | S-TECH PCI Express Serial Adapter |
| Category | I/O Cards |
| Controller | WCH CH382L |
| Bus Type / Bus Width | PCI Express x1 |
| PCIe Specification | PCI Express 1.1 |
| Connections | 2 × RS-232 DB9 Male |
| UART | 16C550 / 16C750 Compatible |
| FIFO | 256 Bytes per Port |
| Maximum Baud Rate | Up to 8 Mbps |
| Signal Lines | TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI, GND |
| Data Bits | 5 / 6 / 7 / 8 |
| Stop Bits | 1/2 |
| Parity | None / Even / Odd / Mark / Space |
| Flow Control | Hardware / Software |
| Hardware Flow Control | RTS / CTS |
| Software Flow Control | XON / XOFF |
| Port Configuration | 2 Independent Serial Ports |
| Connector | DB9 Male |
| Interrupt Support | MSI / MSI-X |
| Bracket | Full Height Installed, Low Profile Included |
| Operating System | Windows® 11 / 10 / 8.1 / 8 / 7 Windows Server® 2022 / 2019 / 2016 / 2012 / 2008 Supported Linux distributions with WCH CH382 driver |
| Operating Temperature | -40°C to 85°C* |
| Storage Temperature | -40°C to 85°C* |
| Power Supply | 3.3V |
| Power Consumption | Low Power Design |
| Bracket | Full Height Installed, Low Profile Included |
| Certifications | CE, FCC, RoHS |
| Warranty | 1 Year |
Shipping & Return
Shipping Policy
1. General Information
All orders are processed within 1-3 business days. Orders are not shipped or delivered on weekends or holidays. If we are experiencing a high volume of orders, shipments may be delayed by a few days. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.
2. Shipping Rates & Delivery Estimates
Shipping charges for your order will be calculated and displayed at checkout. Delivery delays can occasionally occur.
- Standard Shipping: Delivery typically takes *3–15 business days*, depending on the delivery location.
- Delays may occur due to incorrect or incomplete addresses provided by the customer or circumstances beyond our control. Any additional charges or penalties arising from such issues will be borne by the customer.
3. Shipment Confirmation & Order Tracking
You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours.
4. Damages
Vishal Peripherals is liable for any products damaged or lost during shipping. If you received your order damaged, please take the video of unboxing and share through mail at helpdesk@vishalperipherals.com.
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