The Allen-Bradley 1761-NET-ENI by Rockwell Automation is a discontinued Ethernet interface for industrial automation. With one RS232 and one Ethernet I/P port, it supports DF1 and Ethernet protocols on DIN Rail or panel mounts, using Cat5/Cat6 cables. It operates at 10/100 mbps speeds (Series C and D) and is designed for reliable machine control with master control relay safety. Manufacturer Rockwell Automation Brand Allen-Bradley Type Ethernet Interface Part Number/Catalog No. 1761-NET-ENI Number or ports 2; 1 (RS232); 1 Ethernet I/P Ports RS-232 Protocol DF1 Full-Duplex; Ethernet Safety Feature Master Control Relay Ethernet Transmission speed Series A and B: 10 mbps Series C and D: 10/100 mbps Mounting DIN Rail or Panel Power Supply 20.4 to 26.4V dc 24 Volts DC Current Draw 50 mA typical, 100 mA maximum Item weight 1 pound Certifications IEC801-2, 3, 4, 5, and 6 Dimensions 23 x 16 x 18 inches Cable Cat5, Cat5e, Cat6, Cat6e cable Storage Temperature -45 to 85 degrees Celsius UPC 10611320931805 Operating Temperature 0° C…+60° C (+32° F…+140° F) Internal Isolation 710V dc for one minute Product Lifecycle Status* Discontinued/Obsolete