Four Fiber Industrial Ethernet Managed Switch Real-time Secure Performance (managed model) ! Rapid Spanning Tree (RSTP) for fast redundant rings ! SNMPv1 and v2 network management ! SNMPv3 authentication & encryption for security ! SNMP notifications (traps) for report on event ! Priority Queuing (QoS/CoS) for real-time operation ! IGMP for Multicast filtering (snooping & querying) ! VLAN for convenient traffic segregation ! Open-source programming for ultimate flexibility ! Broadcast & multicast storm protection ! RMON & port mirroring for advanced diagnostics ! Security with HTTPS, SSL, SSH, SNMPv3 & more