Features
This is 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. The module features RS232/485/422 and Ethernet port with PoE function, uses DC port (outer diameter: 5.5mm, inner diameter: 21mm) and screw terminals for power input.

Model:RS232/485/422 TO POE ETH (B)
Product type: Serial server, Modbus gateway, MQTT gateway
Primary function:Realize the bidirectional transparent transmission function of RS232/485/422 to Ethernet
Communication interface:RS232/485/422 x 1, Ethernet port x 1
Power supply:Screw terminal DC 6~36V or PoE network port
Isolation protection:Power isolation, signal isolation protection

Communication interface
Ethernet:
PoE Ethernet port, support IEEE 802.3af standard
10 / 100M self-adaptive RJ45 interface, 2KV surge protection
Serial port: Isolated RS232/485/422

Serial parameters
Baud rate: 300 ~ 115200 bps
Parity bit: none, odd parity, even parity, mark, space
Data bits: 5 ~ 9 bits
Flow Control: no flow control

Software
Protocol: ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS
Configuration method: PC configuration, WEB browser, device management function library
Communication method: TCP/IP direct communication, virtual serial port mode
Operating mode: TCP server, TCP client (TCP server also coexist), UDP, UDP multicast

Other
Operating temperature: -40℃ ~ 85℃
Humidity range: 5% ~ 95% relative humidity
Dimensions : L x W x H: 88.7 x 64.5 x 24.2 mm

How-to-use document/User Manual
://bit.ly/3AGuDCQ

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