Allen Bradley 1783-SFP Transceiver Modules The Allen Bradley 1783 Small Form-factor Pluggable Transceiver Modules serve as integral components within the E300/E200 Electronic Overload Relays. Communication modules available for these relays include EtherNet/IP and DeviceNet. The EtherNet/IP module features two RJ45 ports supporting star, linear, and ring topologies. It facilitates concurrent Class 1 connections, simultaneous Class 3 connections for explicit messaging, an embedded web server, SMTP server for trip and warning events, and an embedded EDS file. Additionally, it allows configuration parameter