Rackmount switch poe 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 standalone management managed layer 3 network standards vlan igmp snooping spanning tree protocol stp quality of services qos power over ethernet poe jumbo frames flow control full duplex backplane bandwidth 216 gbs packet forwarding rate 1071 interfaces 1x console rj 45 1x console usb typ