DS-3E0518P-E switches are layer 2 gigabit PoE unmanaged switches, providing 16 gigabit PoE ports, one 10/100/1000 Mbps RJ45 port, and one 10/100/1000 Mbps SFP fiber optical port. The switches provide advanced PoE technology and connect other devices with high performance. Meanwhile, all gigabit ports guarantee stable transmission of data.