The Weidmüller IE-TO-RJ45-FJ-B (Order No. 8946940000) is a feed-through RJ45 connector module designed for mounting on a TS35 DIN rail . It provides a reliable and organized way to route an Ethernet connection from a field device to the control cabinet, acting as an interface between an RJ45 plug and an IDC (Insulation Displacement Connection) termination point for solid or flexible wires .