Overview
RS232/485/422 to RJ45 Ethernet Module, a RS232/485/422 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS485 to JSON, etc.

Specifications
Product type--- Serial server, Modbus Gateway, MQTT Gateway
Primary function--- Bi-directional transparent data transmission between RS232/485/422 and Ethernet
Communication interface--- RS232 port × 1; RS485 port × 1; RS422 port × 1; Ethernet port × 1
Power supply--- DC power port, 6 ~ 36V DC screw terminal
Isolation protection--- Power isolation, Signal isolation

Communication interface
Ethernet--- Common network port, 10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection
Serial port--- Isolated RS232/485/422

Serial parameters
Baud rate--- 300 ~ 115200 bps
Parity bit--- none, odd, even, mark, space
Data bits--- 5 ~ 9 bits
Flow Control--- N/A

Software
Protocol--- ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS
Configuration method--- host, web browser, device management functions library
Communication method--- TCP/IP direct communication, VCOM
Operating mode--- TCP server, TCP client (coexisting with TCP server), UDP, UDP multicast

Other
Operating temperature--- -40℃ ~ 85℃
Humidity range--- 5% ~ 95% relative humidity
Dimensions--- L × W × H: 88.7 × 72.5 × 24.2 mm

Package Content
1. RS232/485/422 TO ETH (B) x1

Development Resource
https://www.waveshare.com/wiki/RS232/485/422_TO_POE_ETH_(B)