Rackmount switch poe switch switching ports 48 gigabit ethernet ports 48 x rj 45 fast ethernet ports 48 x rj 45 ethernet ports 48 x rj 45 switch type stackable layer 3 network standards quality of services qos vlan port mirroring jumbo frames power over ethernet poe backplane bandwidth 176 gbs packet forwarding rate 7142 mac address 32 k uplink port 4 x sfp mini gbic