The MVI69 EtherNet/IP (DF1 for Ethernet) Client/Server Communication Module is a CompactLogix / MicroLogix 1500 LRP backplane compatible module that allows CompactLogix / MicroLogix processors to interface easily with EtherNet/IP protocol (Explicit Messaging) compatible devices and hosts. Devices commonly supporting the protocol include PLCs, PACs, and host HMI systems.