Complies with ieee 8023 8023af 8023u 8023x 8021q 8023at standards supplies 48vdc with 30w output per port power consumption budget ui to monitor power usage port based remote power onoff to restart connected poe devices individually supports igmp snooping to optimize network performance supports 8 port based vlan and 16 tag based vlan groups supports 2 trunking groups 4 ports per group and up to 2 groups for each device n