The mc220l is a media converter designed to convert 1000base sxlxlh fiber to 1000base t copper media or vice versa designed under ieee8023ab 1000base t and ieee8023z 1000base sxlxlh standards the mc220l is designed for use with multi modesingle mode fiber cable utilizing the sclc type connector it works at 850nm on both transmitting and receiving data when adopting multi mode fiber and 1310nm on both transmitting and receiving data when adopting single mode other features of this