Sixnet ET-5ES-4 5510A 2SC3R-24512 Ethernet Module

The Sixnet ET-5ES-4 is a five-port EtherTRAK industrial Ethernet switch that combines three copper RJ-45 ports with two fiber optic SC ports for mixed copper/fiber networks, listed as ET-5ES-4 5510A / 2SC3R-24512. This rugged switch belongs to SIXNET's EtherTRAK real-time networking family and is designed for harsh industrial environments, making it suitable for automation, remote I/O, and machine-to-machine communication in manufacturing settings. The 2SC3R-24512 designation identifies two SC fiber ports paired with three copper ports, while the ET-5ES-4 series is noted to support dual power inputs for reliability in demanding applications.