1-channel (CNGE2MC) and 2-channel (CNGE22MC) gigabit media converters. Accept 10/100/1000 Mbps copper input and convert to 1000 Mbps optical output. Use interchangeable Comnet SFPs. Packaged in ComFit housing (standard rack/wall mount). Environmentally hardened, plug-and-play with 8-15VDC PSU included.