Compliant with EN5015550121-3-2 environmentalManagement through console, Telnet, SNMP V1, V2c &V3, RMON, Web Browser and TFTPSupports Port-base VLAN, IEEE802.1Q VLAN Tagging and GVRPSupports STPRSTP and EtherWAN -ring for Ethernet redundancyIP multicast filtering through IGMP Snooping V1, V2 and V3IEEE802.1p QoS with four priority queuesMAC-based trunking with automatic link fail-overSupports IEEE802.3ad Link Aggregation (Port-Trunking) : MAC-based Port-TrunkingSupports IEEE802.1x port-security-40XC to +75XCC operating temperature range (Tested @ -40XCC to +85XCC)Ingress & Egress rate control by port."Broadcast", "Multicast", andor "DLF" (Destination Lookup Failure) from Storm-control enabled type for the port.Port-lock for authorized MAC address access only.Port mirroringFirmware upgrade supported by Telnet, Console port and Web Interface TFTPFront panel port status LEDsSupport Din-Rail and Wall Mount installation