Moxa CP-134EL-A-I-DB9M 4 port PCIE RS422/485 Serial Card
Moxa CP-134EL-A-I-DB9M 4 Port PCIE Serial Card provides reliable RS422/485 connectivity for industrial PCs and automation systems. Robust design ensures stable data transmission and seamless device integration. Ideal solution for expanding serial ports efficiently on PCs and industrial systems.
Specification Table
| Feature | Specification |
|---|---|
| Model | CP-134EL-A-I-DB9M |
| Ports | 4 RS-422/485 serial ports |
| Interface | PCI Express (PCIe) |
| Connector Type | DB9 Male |
| Data Transmission | RS-422/485, up to 921.6 kbps |
| Serial Protocol | Asynchronous |
| Isolation | 2500 VDC isolation protection |
| Operating System Support | Windows, Linux |
| Power Requirement | +3.3 V / +12 V from PCIe slot |
| MTBF | > 1,000,000 hours |
| Dimensions | Low-profile card, standard PCIe size |
| LED Indicators | Tx, Rx per port |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to 85°C |
Description:
The Moxa CP-134EL-A-I-DB9M is a high-performance 4-port RS-422/485 PCIe serial card designed for industrial automation, control systems, and data acquisition applications. Built with reliability and durability in mind, it ensures stable serial communication in harsh industrial environments. Its compact, low-profile PCIe design makes it suitable for modern PCs, servers, and embedded systems where space is limited.
This serial card supports high-speed data transmission up to 921.6 kbps on each port, making it ideal for real-time data exchange and serial networking. The DB9 male connectors provide secure, standard serial interfacing, while 2500 VDC isolation protection safeguards the system from electrical surges and noise. With compatibility across Windows and Linux platforms, the CP-134EL-A-I-DB9M is flexible and easy to integrate into diverse industrial setups.
Additional features like individual Tx/Rx LED indicators per port and a robust MTBF of over 1 million hours ensure long-term reliability and easy monitoring. The card is perfect for applications such as industrial control, SCADA systems, point-of-sale terminals, and factory automation. By combining high-speed performance, industrial-grade protection, and versatile OS support, the Moxa CP-134EL-A-I-DB9M serial card provides a dependable solution for professionals seeking consistent and secure serial communication.
Key Features
- 4 RS-422/485 Ports: Supports multiple serial devices for industrial automation and communication.
- High-Speed Communication: Up to 921.6 kbps, ensuring fast and reliable data transfer.
- PCI Express Interface: Easy installation in modern PCs and industrial computers.
- Robust Design: Built to withstand harsh industrial environments with high electromagnetic immunity.
- Flexible Data Transmission: Supports multi-drop communication for complex networking setups.
- Driver Support: Compatible with Windows and Linux operating systems for seamless integration.
Where it Can Be Used
Industrial Automation: Connect PLCs, sensors, and industrial machinery.
Transportation Systems: Reliable serial communication for ticketing systems, signaling, and control units.
Retail & POS Systems: Manage multiple POS terminals or barcode scanners efficiently.
Energy & Utility Monitoring: Connect smart meters, controllers, and monitoring equipment.
IoT & Embedded Systems: Integrate legacy devices into modern networks for data collection.
Installation Step
Power off your computer or industrial PC.
Insert the Moxa CP-134EL-A-I-DB9M into an available PCIe slot.
Secure the card with the mounting screw.
Power on your system.
Install the Moxa driver compatible with your operating system.
Connect your RS-422/485 devices using DB9M serial ports.
Configure communication settings via software or control panel.
User Experience
Users report high reliability and stable performance even in demanding industrial environments. The card’s plug-and-play installation reduces downtime, while its multi-port support allows efficient handling of multiple devices simultaneously. Many industrial operators appreciate its robust design, which ensures continuous operation under extreme conditions such as high temperatures, electromagnetic interference, and heavy machinery vibrations. It’s ideal for professionals looking for dependable serial communication solutions in automation, IoT, or legacy system integration.
Buy Moxa CP-134EL-A-I-DB9M 4 port PCIE RS422/485 Serial Card at the Best Price from Moxa Bangladesh.
In Bangladesh, you can get Moxa CP-134EL-A-I-DB9M 4 port PCIE RS422/485 Serial Card From Moxa Bangladesh. We have a large collection of latest Moxa Accessories to purchase for your System. Order Online Or Visit our Office to get yours at lowest price. The Dell PowerEdge T150 Intel Xeon E-2314 Tower Server comes with 1 Year warranty.
Get in Touch with Moxa Bangladesh
- Call/WhatsApp: 01748173213
- ✉ Email: sales@datacomtechbd.com | datacomtechnologiesbd@gmail.com
What is the price of Moxa CP-134EL-A-I-DB9M 4 port PCIE RS422/485 Serial Card in Bangladesh?
The estimated price of Moxa CP-134EL-A-I-DB9M 4 port PCIE RS422/485 Serial Card in Bangladesh is 0৳. You can buy the Moxa CP-134EL-A-I-DB9M 4 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.

Reviews
Clear filtersThere are no reviews yet.