Overview 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, 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... 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 Isolation Protection--Power isolation, Signal isolation 1.COMMUNICATION Ethernet-- common network port,10 / 100M auto-negotiation RJ45 connector, 2 KV surge protection Serial port--Isolated RS232 2.SERIAL SPECIFICATION Baudrate--300 ~ 115200 bps Parity bit--none, odd, even, mark, space Data bit--5 ~ 9 bits 3.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 4.OTHERS Operating temperature---40? ~ 85? Humidity range--5% ~ 95% relative humidity Dimensions--L × W × H: 87 × 36 × 59 mm PACKAGE CONTENT RS232 TO ETH Module x1 See more?NTP Protocol Support? Getting Network Time Info For Serial Output Or Data Upload. ?Multi Configuration Methods? Supports Web Browser Configuration, Obtaining Dynamic IP Via DHCP, DNS Protocol Connected Domain Server Address. ?Multi Hosts Roll-Polling Support? Different Network Devices Will Be Identified And Responsed Respectively, No More Crosstalk Issue While Communicating With Multi Network Devices. ?User-Defined Heartbeat/Registration Packet? Easy For Cloud Communication And Device Identification. ?Multi Communication Modes? Supports TCP Server / TCP Client / UDP Mode / UDP Multicast. ?MQTT/JSON To Modbus? More Flexible Conversion Between Different Protocols. ?Support Rail-Mount? Easy To Combine Multi Rail-Mounted Serial Server Together, More Freely. ?Support Modbus Gateway ? Suitable For Modbus Gridding Upgrade, Can Be Used With Specific Configuration Software. RS232 To RJ45 Ethernet Module,Rail-mount RS232 serial server. Bi-Directional Transparent Data Transmission Between RS232 And Ethernet. It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS232 to JSON, etc.