Rackmount switch switching ports 48 gigabit ethernet ports 48 x rj 45 4 x sfp fast ethernet ports 48 x rj 45 ethernet ports 48 x rj 45 switch type stackable management managed layer 3 network standards full duplex flow control energy efficient ethernet jumbo frames spanning tree protocol stp virtual router redundancy protocol vrrp vlan quality of services qos backplane bandwidth 192 gbs packet forwarding rate 1428 interfaces 1x console mini usb