Introduction This is a RS232 device data acquisitor / IoT gateway designed for industrial environment. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS232 to JSON, etc. The module features RS232 and Ethernet port with POE, uses screw terminals for power input. Rail-mount case design, small in size, easy to install. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring,etc. Specifications Product Type--Serial server, Modbus Gateway, MQTT Gateway Basic Function--Bi-directional transparent data transmission between RS232 and Ethernet Communication interface--RS232 port x 1, Ethernet port x 1 Power supply-- 6 ~ 36V DC screw terminal, or PoE port Isolation Protection--Power isolation, Signal isolation COMMUNICATION Ethernet-- PoE network port, support IEEE 802.3af standard; 10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection. Serial port--Isolated RS232 SERIAL SPECIFICATION Baudrate--300 ~ 115200 bps Parity bit--none, odd, even, mark, space Data bit--5 ~ 9 bits 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 (coexisting with TCP server), UDP, UDP multicast OTHERS Operating temperature:-40? ~ 85? Humidity range--5% ~ 95% relative humidity Dimensions--L × W × H: 87 × 36 × 59 mm How-to-use document/User Manual :// bit.ly/3RJtNfJ PACKAGE CONTENT RS232 TO ETH with POE Module x1 Note: The power supply of this product is not included, it is recommended to used with a 12V Industrial DIN-Rail Power Supply (B0BN8G45R9)