Zyxel GS-3012F 12-port Managed Layer 2 Gigabit Fiber Ethernet Switch, Unmanaged, Full duplex Zyxel GS-3012F 12-port Managed Layer 2 Gigabit Fiber Ethernet Switch. Switch type: Unmanaged. Basic switching RJ-45 Ethernet ports quantity: 24. Full duplex. MAC address table: 16000 entries. Networking standards: IEEE 802.1d, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1w, IEEE 802.1x, IEEE 802.3, IEEE 802.3ad, IEEE...