The Allen-Bradley 1756-EN2F is a ControlLogix Ethernet Communication Module designed by Rockwell Automation for robust networking. Supporting 10-1000 Mbps Ethernet-IP rates, it handles 128 TCP and 256 CIP connections with up to 32 multicast tags. This open enclosure module draws 1.2 amps at 5.1 volts, dissipating 21.28 BTU/hour, suitable for advanced industrial applications. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number/Catalog No. 1756-EN2F Series ControlLogix Module Type Ethernet Communication Module TCP Connections 128 CIP Connections 256 Maximum Multicast Tags 32 Enclosure Open Firmware 2.x, 3.6 or later Ethernet-IP Communication Rate 10-1000 Megabites per second Current Draw (5.1 Volts) 1.2 Amps Current Draw (24 Volts) 3 milliamps Voltage 5.1 Volts DC Current Rating 1.2 Amps Thermal Dissipation 21.28 BTU per hour UPC 10612598344717