The ComNet CNGE28FX4TX24MS Layer 2 Managed 28 Port Ethernet Switch supports twenty-four (24) 10/100/1000BASE-TX ports and four (4) 1000BASEFX ports of Ethernet data. The four 1000BASE-FX ports are SFP* configurable for fiber type (multimode or single-mode), connector type and distance. The exclusive C-Ring redundant ring feature protects networks from interruptions or temporary malfunctions with its fast recovery technology. The electrical ports support the 10/100/1000 Mbps Ethernet IEEE 802.3 protocol, and autonegotiating and auto-MDI/MDIX features are included. The CNGE28FX4TX24MS are optically (1000BASE-FX) and electrically compatible with any IEEE 802.3 compliant Ethernet device.