Poe switch rackmount switch switching ports 24 10 gigabit ethernet ports 2x sfp gigabit ethernet ports 24 x rj 45 2 x sfp 2 x rj 45 fast ethernet ports 24 x rj 45 ethernet ports 24 x rj 45 switch type stackable management managed layer 3 network standards port mirroring quality of services qos power over ethernet poe jumbo frames flow control energy efficient ethernet full duplex vlan link aggregation lag link layer discovery protocol lldp span