Layer 2 Managed 18 Ports 10/100/1000M PoE Switch,1-16 Port support POE(802.3at/af) ,with 2 Uplink Gigabit ports + 2 Gigabit SFP ports + 1 Managed Port, IEEE 802.3af/at Standard, Each Port Max support 30W,Support QOS, STP/RSTP/MSTP?IGMP?SNMP?WEB?VLAN?EtherChanne?IGMP Snooping?DHCPRelayAgent?AAA?VoiceVlan?GMRP?RMON?ERPS?POE Port Configuration?IP/MAC/PORT binding?ACL?802.1X approve?Port security?Port isolation?log information,management function, Bandwidth 40.0Gbps, Forwarding method: store and forward, MAC address: 8K , Standard 1U Chassis type, come with rack amount brackets,Watchdog, 200W Internal