Industrial UART to Ethernet RJ45 Bridge & Embedded Module

The Valtoris Embedded UART to Ethernet bridge is an industrial grade module for easy equipment modernization. The product has a compact pin-header form factor, integrated RJ45 port and transformer for soldering directly to the PCB.

Part No. UART-ETH (V)
sku : IoT-M103
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Direct PCB Integration

This Embedded UART to Ethernet bridge gets rid of the need for external network components. It features an Ethernet controller, transformer and RJ45 port integrated into a compact pin-header design for immediate direct soldering onto your custom PCB.

High-Capacity Network Architecture

Powered by a decade-proven communication architecture, it handles heavy data loads effortlessly. Supports TCP Server mode (allowing up to 30 concurrent client connections), TCP Client mode (targeting up to 8 destinations), UDP, and Multicast routing.

High-Speed Zero-Loss Transmission

Designed for industrial reliability, it provides stable full-duplex data transmission up to 921,600 bps baud rate. Its rugged hardware buffer guarantees zero packet loss in continuous serial-to-Ethernet bridging.

Dual-Voltage Compatibility

Simplifies power circuit designing. The module is natively powered with 5V or 3.3V which makes it very flexible to interface with different legacy TTL logic levels and modern microcontrollers.

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Hardware & Integration
Form FactorPin-header module (Direct PCB soldering)
Network Interface10/100M Auto-negotiation RJ45 (Built-in transformer)
Serial InterfaceUART TTL
Software & Performance
Network ModesTCP Server, TCP Client, UDP, Multicast
Max ConnectionsUp to 30 TCP Clients (Server mode) / 8 Destinations (Client mode)
Baud RateUp to 921,600 bps
Data IntegrityFull-duplex, Zero packet loss
Power & Environment
Input Voltage3.3V / 5V Dual-voltage compatible
Operating Temp.Industrial Grade
⚙️ Core Embedded Advantages
✓ All-in-One Hardware: Comes with a fully integrated RJ45 port and internal transformer, saving valuable PCB space and reducing BOM costs.
✓ Extensive Protocol Support: TCP Server, TCP Client, UDP and Multicast support for flexible network topologies.
✓ Multi-Connection Capability: Can host up to 30 concurrent TCP clients in Server mode, or connect to 8 target IPs in Client mode simultaneously.
✓ High Baud Rate Reliability: Supports 921,600bps full-duplex, zero packet loss serial communication.
✓ Dual-Voltage Logic: Works with both 3.3V and 5V systems without needing external level shifters.

Frequently Asked Questions

Does this module require an external Ethernet transformer?
No. Fully integrated RJ45 connector with integrated network transformer. You can solder the pin-header directly to your PCB, no additional networking components needed, saving space and BOM costs.
How many client connections can it handle in TCP Server mode?
In TCP Server mode, the module’s robust networking architecture can support up to 30 concurrent client connections, making it highly capable for multi-point SCADA polling environments.
Is the TTL logic level compatible with both 3.3V and 5V MCUs?
Yes. The module supports 3.3V and 5V dual-voltage operation. You do not need to design external logic level shifting circuits to interface with standard microcontrollers.
Can it sustain high-speed continuous data transmission?
Absolutely. It is designed for industrial full-duplex communication and supports high baud rates up to 921,600 bps with guaranteed zero packet loss.
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