The Allen-Bradley 1747-AENTR is an Ethernet I/P communication module designed for the Allen-Bradley SLC 500 Programmable Logic Controller (PLC) system. This module is primarily used to migrate legacy SLC 500 controllers to the modern Logix controller platform, providing seamless Ethernet connectivity and improved system integration. The 1747-AENTR features two (2) embedded Ethernet ports that support Star, Tree, Daisy Chain, and Ring network topologies, ensuring flexible and reliable communication architecture. It operates at communication speeds of 10/100 Mbps in both half and full duplex modes. The Allen-Bradley 1747-AENTR offers high-speed data exchange and stable network performance, making it ideal for industrial automation and process control systems.