The ComNet CNGE2MC and CNGE22MC Ethernet 2 port media converter are designed to transmit and receive 10/100/1000 Mbps data over optical fiber through user selectable SFP options. The CNGE2MC transmits and receives a single channel of Ethernet data and the CNGE22MC transmits and receives two independent channels in one unit. These models require the ordering of sold-separately interchangeable SFP modules for fiber type, distance and connectors. Both models' electrical interface swill Auto-Negotiate to a 10 Mbps, 100 Mbps or 1000 Mbps Ethernet rate without any adjustments. The optical interface operates at a 1000 Mbps Ethernet rate. Both the CNGE2MC and CNGE22MC are environmentally hardened to operate in extreme temperatures. LED indicators are provided for confirming equipment operating status. Packaged in the exclusive ComNet ComFit housing, the CNGE2MC and CNGE22MC units may be either wall or rack-mounted, or may be DIN-rail mounted by the addition of ComNet model DINBKT1 adaptor plate.