Rackmount switch switching ports 48 gigabit ethernet ports 2 x sfp 2 x rj 45 fast ethernet ports 48 x rj 45 2 x rj 45 ethernet ports 48 x rj 45 2 x rj 45 switch type stackable management managed layer 2 network standards port mirroring vlan spanning tree protocol stp quality of services qos flow control backplane bandwidth 20 gbs interface 1x serial db 9 mac address 8 k buffer 1 843 kbit uplink port 48 x auto mdimdi x link protocols 10base