complies with 8023u 10100base tx 100base fx standards adopts wdm technology transmitting and receiving data on one single fiber the mc112cs is a media converter designed to convert 100base fx fiber to 100base tx copper media or vice versa adopting wdm technology mc112cs takes only one fiber cable to transmit and receive data which will save half cabling cost for you designed under ieee 8023u 10100base tx and 100base fx standards the mc112cs is designed for use with single mode fiber cable ut