The Allen-Bradley 1738-ACNR is an ArmorPoint ControlNet adapter designed to expand I/O connectivity in industrial automation systems. It supports up to 63 expansion modules, 5 rack-optimized connections, and 25 direct connections, providing flexible system integration. The adapter features an enclosure rated to IP65/66/67 when marked, ensuring protection in harsh industrial environments. In North America, Europe, and Asia, the 1738-ACNR may possibly enhance ControlNet network capacity and could potentially be deployed across the globe, making it an essential component for professional industrial automation and ArmorPoint I/O connectivity.