ComNet’s CNMCSFP variable rate electrical-to-optical media converter is a single-channel universal media converter that allows the user to select 10/100 Mbps transmission by changing the position of a switch on the media converter. This hardened media converter ensures enough bandwidth for future upgrade to gigabit bandwidth requirements or where there are many devices that have different bandwidth requirements. It uses small form factor devices, giving the user flexibility in terms of fiber type, connector type and distance.