Moxa CP-138E-A-I 8 port PCIE RS422/485 Serial Card
The Moxa CP-138E-A-I 8 Port PCIE RS422/485 Serial Card delivers outstanding reliability for industrial automation and data communication systems. Designed with advanced PCIE architecture, it ensures stable performance and fast data transmission for multiple serial devices. Buy from Moxa Bangladesh for genuine products and the best price in BD.
Specification Table
| Feature | Specification |
|---|---|
| Model | CP-138E-A-I |
| Interface | PCI Express (PCIE) |
| Ports | 8 RS-422/485 serial ports |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | None, Even, Odd, Space, Mark |
| Baud Rate | 50 bps – 921.6 kbps |
| Flow Control | RTS/CTS, XON/XOFF |
| Connector Type | DB9 Male |
| Operating System Support | Windows, Linux |
| Isolation | 2500 VDC surge protection |
| Dimensions | Standard PCIE card size |
| MTBF | Approx. 2,500,000 hours |
Description:
The Moxa CP-138E-A-I 8 Port PCIE RS422/485 Serial Card is a high-performance solution for industrial automation, data acquisition, and network communication systems that require reliable multi-port serial connectivity. Designed for PCIE-based systems, this card provides eight RS-422/485 serial ports, supporting full-duplex and half-duplex communication, making it ideal for connecting multiple serial devices such as sensors, PLCs, and industrial controllers simultaneously.
With a wide baud rate range from 50 bps to 921.6 kbps, it ensures high-speed and stable data transfer. The card supports advanced flow control mechanisms including RTS/CTS and XON/XOFF, providing efficient and error-free communication in critical industrial applications. Each port is equipped with 2.5 kV isolation protection, safeguarding both the card and connected devices from electrical surges and voltage spikes.
The CP-138E-A-I is compatible with multiple operating systems, including Windows and Linux, allowing seamless integration into diverse environments. Its durable design, long MTBF of approximately 2.5 million hours, and compact PCIE form factor make it an ideal choice for industrial and commercial applications where reliability and longevity are essential. This card combines flexibility, performance, and safety, making it a preferred solution for multi-device serial connectivity.
Key Features
- 8 High-Speed Serial Ports: Supports RS422/485 protocols for industrial communication.
- PCI Express Interface: Ensures fast data transfer with minimal latency.
- Reliable Industrial Design: Built for harsh environments with superior stability.
- Flexible Data Control: Supports multiple communication modes, including hardware and software flow control.
- Driver Support: Compatible with Windows, Linux, and other industrial operating systems.
- High Compatibility: Works seamlessly with industrial automation equipment, PLCs, and legacy systems.
Where it Can Be Used?
- Industrial Automation: Connecting PLCs, sensors, and industrial machines.
- Factory Monitoring Systems: Real-time data acquisition and control.
- Transportation Systems: Serial communication in train, bus, and traffic control systems.
- Energy & Utilities: Monitoring and controlling power distribution systems.
- Legacy System Integration: Adding modern PCs to RS422/485-based equipment.
Installation Step
- Power off your PC or industrial computer.
- Insert the CP-138E-A-I card into an available PCIe slot.
- Secure the card with the mounting screw.
- Power on the system and install the driver software.
- Configure serial port settings via your operating system or control software.
- Connect RS422/485 devices using proper cabling.
- Test communication to ensure proper functionality.
User Experience
Users of the Moxa CP-138E-A-I report excellent stability and performance even in demanding industrial environments. The card handles multiple simultaneous connections without lag, providing reliable serial communication for factory automation, transportation, and energy systems. Installation is straightforward, and driver support across multiple platforms ensures smooth integration. Its robust industrial design reduces downtime, making it a trusted choice for engineers and IT professionals working with legacy serial devices and modern control systems.
What is the price of Moxa CP-138E-A-I 8 port PCIE RS422/485 Serial Card in Bangladesh?
The estimated price of Moxa CP-138E-A-I 8 port PCIE RS422/485 Serial Card in Bangladesh is 0৳. You can buy the Moxa CP-138E-A-I 8 port PCIE RS422/485 Serial Card at best price from our website or visit our Office.
For the most accurate pricing, stock availability, and warranty details, we recommend contacting us before placing your order.

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