Optimizer Advanced Plant Controller, Niagara Device with 1 Isolated Ethernet Port, 3 Switched Ethernet Ports, 3 RS485 Interfaces, HMI Port, & I/O ExpansionPeer-to-Peer Communication: Enables seamless data exchange between controllers.Network Redundancy: Supports Daisy Chain Connection and Rapid Spanning Tree Protocol (RSTP) for enhanced reliability.Multi-Color LEDs: Indicate operational status for Isolated RS485 Communications, HMI Device, Ethernet Connection, and Controller Service State.RS485 Protocol Support: All RS485 channels support Panel Bus, BACnet™ MS/TP, Modbus RTU, and M-Bus.Built-In Web Server with HTML5: Allows remote access and graphical monitoring.HMI Connectivity: RJ11 Interface for field operations and device interaction.I/O Expansion: Touchflake Connectors allow additional RS485 I/O modules for enhanced scalability.Automatic IP Assignment: DHCP Support for simplified network integration.High-Performance Processing: Industrial-Grade Quad-Core Processor (i.MX 8M Plus Arm® Cortex®-A53, 1.2 GHz) for efficient operation.Secure Operating System: Ubuntu Core OS with a container-based architecture for improved cybersecurity.Data Preservation: FRAM Memory stores real-time controller data and retains the last known values in case of power loss.Flexible Mounting Options: Supports DIN rail or wall mounting, in both horizontal and vertical orientations.