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The Allen-Bradley 1771-ACNR15 is a robust ControlNet I/O Adapter Module designed for the 1771 PLC-5 system, facilitating seamless communication between 1771 I/O modules and ControlNet networks with its high-speed data transfer capabilities and diagnostic messaging. Featuring a redundant media port and a Network Access Port (NAP) for simplified programming and maintenance, this module demands a 1A backplane current at 5V DC and achieves a 5Mbps communication rate. Installed in the leftmost slot of a remote ControlNet chassis, it utilizes keying bands for precise installation, supports a power dissipation of 5W, and offers two BNC connectors for cable connections, complemented by intuitive switch settings for network address configuration and advanced troubleshooting indicators.