The RUGGEDCOM RSG909R is a compact Gigabit IEEE 1588 compatible Ethernet switch supporting High Availability Seamless Redundancy (HSR) and Parallel Redundancy Protocol according to IEC 62439-3.
Overview
3 x RNA (Redundant Network Access) and coupler Ethernet ports according to IEC 62439-3 (1000BASE-X)
6 x SAN (Singly Attached Node) copper ports (10/100/1000BASE-TX)