# Interface Available Communication Protocols
H Ethernet 100MB / RJ45
╚═▷ “Ethernet - RJ45”
IEC61850, Modbus TCP, DNP3.0 TCP/UDP
╚═▷ “Modbus®”
╚═▷ “DNP3”
I RS485 / terminals
╚═▷ “RS485 - Modbus® RTU”
64 5321
Ethernet 100 MB / RJ45
╚═▷ “Ethernet - RJ45”
Modbus RTU, DNP3.0 RTU
Modbus TCP, DNP3.0 TCP/UDP
╚═▷ “Modbus®”
╚═▷ “DNP3”
K Optical Ethernet 100MB / LC duplex
connector
╚═▷ “Ethernet / TCP/IP via Fiber Optics”
IEC61850, Modbus TCP, DNP3.0 TCP/UDP
╚═▷ “IEC 61850”
╚═▷ “Modbus®”
╚═▷ “DNP3”
L Optical Ethernet 100MB / LC duplex
connector
╚═▷ “Ethernet / TCP/IP via Fiber Optics”
Modbus TCP, DNP3.0 TCP/UDP
╚═▷ “Modbus®”
╚═▷ “DNP3”
T RS485 / terminals
╚═▷ “RS485 - Modbus® RTU”
64 5321
Modbus RTU, DNP3.0 RTU
IEC61850, Modbus TCP, DNP3.0 TCP/UDP
╚═▷ “Modbus®”
╚═▷ “DNP3”
╚═▷ “IEC 61850”
67www.eaton.comEMR-3MP0
2 Hardware
2.2 EMR-3MP0 – Installation and Wiring