The EXB-D2433 expansion board features a modular design and provides four COM ports supporting RS-485/422 communication. It offers stable data transmission and flexible connectivity, making it ideal for use in industrial automation, energy management, transportation control, and smart manufacturing systems. With reliable performance and strong anti-interference capability, the EXB-D2371 ensures efficient communication in industrial monitoring, equipment networking, and embedded control applications.

★ Modular Design — LEGO MODE for flexible multi-scenario use
★ 4xCOM RS485/422
★ Specification Download
| Parameter | Description |
| Input Interface | 4 serial ports, DB9 interface |
| Profile | L200 |
| Reserved functions | LVDS2,LVDS1,USB1,USB3,INVT1,INVT2 |
| COB matching | COB-D21C7-V10 |
| Power Supply | 5V DC from Motherboard Pin |
| Power Consumption | < 1W (typical) |
| Operating Temperature | -10°C to +60°C |
| Storage Temperature | -20°C to +70°C |
| Dimensions | 164 x 140.5mm |
| Mounting Method | Screw Holes |
Dimensions

IPC with EXB-D2433

13.3-inch Panel PC
10th Gen Intel® Core™ Processor
Capacitive Touch Power Key

15-inch Panel PC
12th Gen Intel® Core™ Processor
5xLAN Ports; Intelligent Fan

10th Gen Intel® Core™ Processor
4x Intel LAN

12th Gen Intel® Core™ Processor
5x Intel LAN

10th Gen Intel® Core™ Processor
Redundant DC