Rackmount switch poe switch switching ports 24 gigabit ethernet ports 2 x sfp fast ethernet ports 24 x rj 45 ethernet ports 24 x rj 45 switch type stackable management managed layer 2 network standards quality of services qos vlan flow control spanning tree protocol stp backplane bandwidth 288 gbs packet forwarding rate 952 interface 1x serial db 9 max power consumption 42967 w buffer 8 192 kbit flash memory 32 mb uplink port 24 x auto