Template: Serial TO ETH (B) Selection Guide
From Waveshare Wiki
| Model | UART TO ETH (B) | RS232 TO ETH (B) | RS485 TO ETH (B) | RS232 TO POE ETH (B) | RS485 TO POE ETH (B) | RS232/485/422 TO POE ETH (B) | |
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| Product Description | Castellated holes module | Common version | PoE Network port + isolated RS232 | PoE Network port + isolated RS485 | PoE Network port + isolated RS232/485/422 | ||
| Enclosure | - | Rail-mount plastic case | Aluminium alloy case (supports wall-mount and rail-mount installations) |
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| Basic Function | Bi-directional transparent data transmission between serial port and Ethernet | ||||||
| Ethernet | Common network port | PoE network port, support IEEE 802.3af standard | |||||
| Isolation Protection | N/C | Power isolation, Signal isolation | |||||
| UART Port | TTL | RS232 | RS485 | Isolated RS232 | Isolated RS485 | Isolated RS232/485/422 | |
| Power Supply | Pinheader / pads | Screw terminal | Screw terminal, or PoE port | DC power port, screw terminal, or PoE port | |||
| Dimensions | 34×23×11.5mm | 87×36×59mm | 88.7×72.5×24.2mm | ||||
| Application Scenarios | Can be used as Serial server, Modbus gateway, MQTT gateway, suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring... | ||||||
| UART Specification | |||||||
| Baudrate | 300 ~ 115200 bps | ||||||
| Parity Bit | None, odd, even, mark, space | ||||||
| Data Bit | 5 ~ 9 bits | ||||||
| Flow Control | Support | N/A | |||||
| Software | |||||||
| Protocol | ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS | ||||||
| Configuration | Host, web browser, device management functions library | ||||||
| Communication Method | TCP/IP direct communication, VCOM | ||||||
| Operating Mode | TCP server, TCP client, UDP Group, UDP | ||||||
| Modbus Gateway | Modbus TCP to RTU | ||||||
| Other Functions | User-defined heartbeat/registration packet, User-defined web page... | ||||||
| Other | |||||||
| Operating Temperature | -40℃ ~ 85℃ | ||||||
| Humidity Range | 5% ~ 95% relative humidity | ||||||