The RGS-PR9000, manufactured by ORing, is an industrial layer-3 IEC 61850-3 modular rack mount that handled gigabit ethernet switches with 4 slots. The switch has been engineered for power substation application and rolling stock application with fully compliance with the requirements of IEC 61850-3 and IEEE 1613. It features an Ethernet Redundancy protocol, O-Ring and MSTP that is capable of protecting your mission-critical applications from network interruptions or temporary malfunctions with its fast recovery technology. Its open-ring supports the other vendor’s ring technology in open architecture while its o-chain allows multiple redundant network rings. Furthermore, it has a 19 inch rack mountable design and multiple notification for warning of unexpected event.