What is the Ethernet-Serial Gateway function?

The ethernet-serial gateway function allows a controller equipped with an Ethernet interface to communicate with other controllers via their RS-485 serial communication interface. The Ethernet-equipped gateway controller connects to a host computer using Modbus TCP protocol, and it also allows the host computer to access each of the connected serial devices via the gateway Ethernet functions. UT75A UT55A UT35A UP55A and UP35A models support this function.   

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