LED indicators:Activity, Power, Speed, Link, PoEHousing material:MetalForm factor:1UProduct colour:BlackNumber of fans:2 fan(s)Rack mounting:YesAC input voltage:100 - 240 VPower protection features:Overload, Short circuit, Over voltagePower consumption (max):420 WAC input frequency:50 - 60 HzOperating temperature (T-T):0 - 45 °CStorage temperature (T-T):-10 - 70 °COperating relative humidity (H-H):10 - 90%Switch type:UnmanagedWeight:4 kgWidth:441.1 mmDepth:204.3 mmHeight:44 mmNetworking standards:IEEE 802.3, IEEE 802.3ab, IEEE 802.3at, IEEE 802.3x, IEEE 802.3af, IEEE 802.3az, IEEE 802.3uAuto MDI/MDI-X:YesCable types supported:Cat5, Cat5eCopper ethernet cabling technology:100BASE-TX, 1000BASE-T, 10BASE-TFlow control support:YesFull duplex:YesAuto-sensing:YesNoise level:21.3 dBMean time between failures (MTBF):144000 hManual:YesCables included:ACRack mount kit:YesBasic switching RJ-45 Ethernet ports quantity:24Basic switching RJ-45 Ethernet ports type:Gigabit Ethernet (10/100/1000)SFP module slots quantity:2Harmonized System (HS) code:85176990Packet forwarding rate (1 Gbps):1488000 ppsPacket forwarding rate (10 Mbps):14880 ppsPacket buffer memory:0.512 MBMAC address table:8192 entriesStore-and-forward:YesPacket forwarding rate (100 Mbps):148800 ppsSwitching capacity:52 Gbit/sTotal Power over Ethernet (PoE) budget:370 WPower over Ethernet (PoE):YesPower over Ethernet plus (PoE+) ports quantity:24Power over Ethernet (PoE) power per port:30 W