They allow to publish the data received from Serial into a MQTT
These gateways allow a fast and easy access to the IoT world and they are compatible with IoT Servers ( Microsoft Azure, Amazon AWS, IBM Cloud, Google Cloud... etc and customized Servers) that support MQTT protocol.
The MQTT communication can be encrypted using TLS / SSL protocols, ensuring a SECURE and
The Serial messages and the commands to send will be completely configurable and it will be
possible the interface with all the Serial Devices (like barcode scanners, printers, RFID, weight
scales etc.) based on custom Serial protocols (like generic ASCII communication).
There are also two differnts order codes in relation of the type of serial port:
HD67932-2-B2: Serial RS232 / MQTT - Converter
HD67932-4-B2: Serial RS485 / MQTT - Converter
For informations about Ethernet / MQTT converters switch