The Allen-Bradley 1769-AENTR/A is a high-performance EtherNet/IP communication adapter designed for the 1769 Compact I/O platform. This module serves as a bridge, seamlessly connecting a bank of up to 30 Compact I/O modules to an EtherNet/IP network. Featuring two RJ45 ports, it supports various network topologies, including Device Level Ring (DLR), which provides enhanced network resiliency and fault tolerance for critical applications. The 1769-AENTR/A is ideal for distributed I/O systems, offering flexible and scalable communication for a wide range of industrial automation and control applications within the Rockwell Automation Logix5000 environment.