This is a Schneider Electric TCSEFEC23F3F20 ConneXium Industrial Ethernet Firewall / Router. The Connexium TCSEFEC family of Industrial Ethernet Firewalls is a range of security devices intended to help protect industrial networks, automation systems, SCADA systems and process control facilities from external cyber threats. These Firewalls are designed to permit or deny communications by restricting network traffic based on user defined rules that would permit only authorized devices, communication types and services.