QinQ, MUX VLAN (Private VLAN), VOICE VLAN, GVRP (GARP VLAN Registration Protocol), LACP (Link Aggregation Control Protocol, ETH-TRUNK), E-Trunk (Link Aggregation between devices), Smartlink, Monitor Link, RRPP (Rapid Ring Protection Protocol), SEP (Smart Ethernet Protection), Routing protocols (RIP/OSPF/RIPng/OSPFV3/Static), PBR, VRRP, MLD Snooping, Muticast VLAN, PIM-DM, PIM-SM, PIM-SSM, iStack, SVF Client, VCT (Virtual Cable Test), DLDP (Device Link Detection Protocol), LLDP, LLDP-MED, 802.1ag, Y.1731, 802.3ah, ERPS (G.8032), NQA (Network Qulity Analysis), Loopback Detection, 802.3af (15.4W), 802.3at (30W) - Rated AC power: 100 V240 V AC, 50–60 Hz - Max AC voltage: 90 V264 V AC, 47–63 Hz - Power consumption: without PD (40.4W); with PD (446.7W) - Operating temperature: -5°C–45°C - Humidity (non-condensing): 5%–95% - Heat dissipation: Fan (intelligent fan speed adjustment)