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