MOXA MGate 5192-T IntroductionThe MGate 5192 is an industrial protocol gateway for converting IEC 61850 MMS to Modbus RTU/ASCII/TCP, DNP3 serial/TCP/UDP, IEC 60870-5- 101, or IEC 60870-5-104 communications. To integrate existing IEC 61850 devices, such as IEDs or relays, into a Modbus, DNP3, IE..