GS-5220-16UP4S2X / GS-5220-16UP4S2XR L3 16-Port 10/100/1000T 75W Ultra PoE + 4-Port 100/1000X SFP + 2-Port 10G SFP+ Managed Switch Datasheet Manual Firmware Features16 10/100/1000BASE-T Gigabit RJ45 copper ports with 16-port IEEE 802.3af/at/Ultra PoE injector4 100/1000BASE-X mini-GBIC/SFP slots2 10GBASE-SR/LR SFP+ slots, compatible with 1000BASE-SX/LX/BX SFPRJ45 console interface for switch basic management and setupComplies with IEEE 802.3at Power over Ethernet Plus, end-span/mid-span PSEBackward compatible with IEEE 802.3af Power over EthernetUp to 16 ports of IEEE 802.3af/IEEE 802.3at/ultra PoE devices poweredSupports PoE power up to 75 watts for each ultra PoE portAuto detects powered device (PD)Circuit protection prevents power interference between portsRemote power feeding up to 100 metersPoE managementPrevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control (full-duplex)High performance of Store-and-Forward architecture and runt/CRC filtering eliminates erroneous packets to optimize the network bandwidthStorm Control support– Broadcast/Multicast/Unknown unicastSupports VLAN Dimension