GS-5220-24UPL4XR L3 24-Port 10/100/1000T 802.3bt PoE + 4-Port 10G SFP+ Managed Switch Datasheet Manual Firmware Features24 10/100/1000BASE-T Gigabit RJ45 copper ports with IEEE 802.3bt PoE++ injector function4 100/1000BASE-X SFP slots, shared with port-21 to port-24 compatible with 100BASE-FX SFP4 10GBASE-SR/LR SFP+ slots, compatible with 1000BASE-SX/LX/BX SFPRJ45 console interface for switch basic management and setupComplies with IEEE 802.3bt Power over Ethernet Plus Plus standard PSEBackward compatible with IEEE 802.3at Power over Ethernet PlusUp to 24 ports of IEEE 802.3af/IEEE 802.3at/IEEE 802.3bt PoE devices powered8 PoE ports with built-in 802.3bt PoE++ Type-4 90W injector function (Port-1 to Port-8)16 PoE ports with built-in 802.3bt PoE++ Type-3 60W injector function (Port-9 to Port-24)Auto detects powered device (PD)Circuit protection prevents power interference between portsRemote power feeding up to 100 metersPoE managementIntelligent PoE features Dimension