This is a dual serial ports device data acquisitor / IoT gateway designed for the industrial environment
1-ch RS232 and 1-ch RS485 can work simultaneously without interfering with each other using one Ethernet cable.
It combines multi functions in one, including serial server, Modbus gateway, MQTT gateway, RS232 and RS485 to JSON, etc.
The other one Ethernet port can be used as a network switch or for cascading, and the PoE* function is optional for dual Ethernet ports.
Provides two power supply methods: DC port (outer diameter: 5.5mm, inner diameter: 2.1mm) and screw terminal.