Schneider Electric Square D™ Communication Module, For Use With: Altivar™ Process ATV600, Altivar™ Process Modular Variable Speed Drive and Soft Starter, Specifications: Ethernet/IP, Modbus TCP Communication Port Protocol, (2) Connectors RJ45 Ethernet IP/Modbus TCP, 10/100 Mbps Transmission Rate, Half Duplex and Full Duplex Exchange Mode