📦 Product Overview
Professional 4-port RS-232 PCIe serial expansion card with WCH384 chipset. Delivers reliable serial connectivity for PC, server, and industrial applications with ±15kV ESD protection and up to 921.6Kbps data transfer.
✨ Key Features
- 🔌 4 Independent RS-232 Ports with configurable power supply via DB9 pins
- ⚡ ±15kV ESD Protection for stable and safe serial communication
- 💻 PCIe x1/x4/x8/x16 Compatible with Windows and Linux support
- 🚀 High-Speed Transfer up to 921.6Kbps with 256-byte FIFO buffer
- 🔧 Low-Profile Bracket included for flexible installation
📋 Technical Specifications
| Model | IO-PCE384P-PR4S |
| Chipset | WCH384 |
| Interface | PCIe x1/x4/x8/x16 |
| Transfer Rate | Up to 921.6Kbps per port |
| Serial Ports | 4 x DB9 male (RS-232) |
| UART | 16C550/16C552/16C554/16C750 compatible |
| FIFO Buffer | 256-byte with 4 trigger levels |
| Signals | CTS, DSR, RI, DCD, DTR, RTS |
| Baud Rate | 115.2Kbps to 8Mbps (programmable) |
| Power Output | DB9 pin 1/9 configurable (+5V/+12V) |
| ESD Protection | ±15kV built-in |
| Storage Temp | -20°C to 85°C |
| OS Support | Windows 2000/XP/2003/Vista/7/8/10/11 (32/64-bit), Linux |
| Dimensions | 94 x 63mm |
📦 Package Contents
- ✅ 1 x 4-Port RS-232 PCIe Card
- ✅ 1 x Fan-Out Cable (4 x DB9)
- ✅ 1 x Low-Profile Bracket
- ✅ 1 x User Manual
💾 Driver Download
Latest Driver: 📥 WCH382/384 Driver Package
🏭 Applications
- 🏭 Industrial automation and control systems
- 🛒 POS terminals and retail equipment
- 🖥️ Server management and monitoring
- 📡 Multi-device serial communication
- 🔌 Legacy equipment connectivity
❓ Frequently Asked Questions
Q: What PCIe slot does this card require?
A: This card is compatible with PCIe x1, x4, x8, or x16 slots. It will work in any available PCIe slot on your motherboard.
Q: Does this card work with Windows 11?
A: Yes, this card is fully compatible with Windows 11 (both 32-bit and 64-bit versions). It also supports Windows 2000/XP/2003/Vista/7/8/10 and Linux systems.
Q: Can I power external devices through the DB9 ports?
A: Yes, this card supports configurable power output via DB9 pin 1 and pin 9. You can provide +5V or +12V power to connected serial devices.
Q: What is the maximum baud rate supported?
A: The card supports data transfer rates up to 921.6Kbps per port. The baud rate is programmable from 115.2Kbps to 8Mbps depending on your application requirements.
Q: Do I need to install drivers?
A: Yes, drivers are required for proper operation. You can download the latest WCH382/384 driver package from the link provided above. The installation is straightforward and takes just a few minutes.
Q: Is the low-profile bracket included?
A: Yes, a low-profile (short) bracket is included in the package, making this card suitable for both standard and small form factor (SFF) chassis.
Q: Can all 4 ports be used simultaneously?
A: Yes, all 4 RS-232 ports are independent and can be used simultaneously without performance degradation. Each port has its own 256-byte FIFO buffer for reliable data transmission.
Q: What protection does this card have against electrical damage?
A: This card features built-in ±15kV ESD (Electrostatic Discharge) protection on all serial ports, ensuring stable and safe operation even in harsh industrial environments.