C1D2 and ATEX compliant for harsh industrial environments application World’s fastest Redundant Ethernet Ring: O-Ring (recovery time < 10ms over 250 units of connection) Open-Ring support the other vendor’s ring technology in open architecture Support standard IEC 62439-2 MRP (Media Redundancy Protocol) function Supports Auto Negotiation Speed Support store and forward transmission Triple redundant DC power inputs of terminal block & power jack Support auto-negotiation and auto-MDI/MDI-X Available in Managed, Un-managed, MM, SM