Cudy GS1020PS2. Type basic-switching RJ-45 Ethernet ports: Gigabit Ethernet (10/100/1000), Number of basic-switching RJ-45 Ethernet ports: 16. Type of optical module switching: Gigabit Ethernet. Number of installed SFP modules: 2. MAC address table: 8000 entries. Network standard: IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3at, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z. Power plug: AC-in connector. Power over Ethernet (PoE). Rack mounting