Rackmount switch poe switch switching ports 24 gigabit ethernet ports 24 x rj 45 4 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 power over ethernet poe packet forwarding rate 3571 interface 1x serial db 9 flash memory 32 mb uplink port 24 x auto mdimdi x link protocols 10base t 100base tx