Description
USR-TCP232-T0/T1/T2 UART TTL to Ethernet Converter – Industrial Serial Networking Modules
The USR-TCP232-T0, T1, and T2 UART TTL to Ethernet Converter Modules are industrial-grade networking solutions designed for transparent data communication between TTL UART serial devices and Ethernet networks. These modules integrate a complete TCP/IP protocol stack, enabling embedded systems and serial devices to connect directly to LAN or Internet-based applications.
With support for multiple working modes, including TCP Server, TCP Client, UDP Server, UDP Client, and HTTPD Client, these modules are ideal for industrial automation, smart home systems, PLC communication, Modbus gateway applications, medical equipment, and remote monitoring systems.
The USR-TCP232-T1 additionally supports Modbus RTU to Modbus TCP protocol conversion, while the USR-TCP232-T2 offers advanced ARM processor performance, customizable web pages, firmware upgrades, and enhanced networking features.
These compact Ethernet converter modules provide reliable, stable, and flexible networking for embedded serial communication systems.
Key Features
Common Features (T0 / T1 / T2)
- UART TTL to Ethernet Conversion – Transparent serial-to-network communication.
- Multiple Working Modes – TCP/UDP Client & Server support.
- Web & AT Command Configuration – Easy setup and management.
- DHCP & DNS Support – Flexible networking capability.
- Heartbeat & Registration Packets – Stable connection monitoring.
- Virtual COM Port Support – Compatible with USR-VCOM software.
- Industrial Grade Reliability – High and low temperature resistant.
- Compact Design – Easy integration into embedded systems.
USR-TCP232-T0 Features
- 10Mbps Ethernet interface.
- Supports baud rates from 300bps to 921600bps.
- TCP Server supports up to 16 client connections.
- Built-in Web configuration support.
- Supports HTTP protocol functionality.
USR-TCP232-T1 Features
- Supports Modbus RTU to Modbus TCP Gateway conversion.
- 10/100Mbps self-adaptive Ethernet interface.
- Supports polling Modbus commands with millisecond response.
- TCP short connection support.
- Multiple parity options: None, Odd, Even, Mark, Space.
- Industrial-grade high reliability design.
- Supports baud rates from 300bps to 921600bps.
USR-TCP232-T2 Features
- Powered by M0 ARM 32-bit processor.
- Built-in 2KV electromagnetic isolation protection.
- Supports customizable web pages and heartbeat packets.
- Supports firmware upgrades via network.
- Auto-reconnecting TCP communication.
- Supports RFC2217-like protocol.
- Supports baud rates up to 460800bps.
Technical Specifications
| Parameter | USR-TCP232-T0 | USR-TCP232-T1 | USR-TCP232-T2 |
|---|---|---|---|
| Interface | TTL UART to Ethernet | TTL UART to Ethernet | TTL UART to Ethernet |
| Ethernet Speed | 10Mbps | 10/100Mbps | 10/100Mbps |
| Working Modes | TCP/UDP | TCP/UDP/HTTPD | TCP/UDP/HTTPD |
| Baud Rate | 300–921600bps | 300–921600bps | 600–460800bps |
| Virtual COM | Yes | Yes | Yes |
| Modbus Gateway | No | Yes | No |
| Processor | Standard MCU | Industrial MCU | M0 ARM 32-bit |
| Isolation Protection | No | No | 2KV Isolation |
| Configuration | Web / AT | Web / AT | Web / AT / Network |
| Operating Temperature | Industrial Grade | Industrial Grade | -25°C to 75°C |
Applications
- Industrial PLC Monitoring
- Industrial Automation Systems
- Medical Device Networking
- Modbus RTU to TCP Gateway
- Smart Home Devices
- Remote Data Monitoring
- Instrumentation & Access Control
- Embedded IoT Networking
Precautions
- Ensure correct power supply voltage before operation.
- Verify UART baud rate compatibility during setup.
- Avoid improper wiring to prevent module damage.
- Use proper Ethernet cables for stable communication.
- Install in dry and ventilated environments.