EtherWAN's EM1100 Series 10/100/1000BASE-TX to 1000BASE-FX Media Converters is available in both Multimode and Singlemode SC configurations. The Multimode options can support 2Km runs and the Singlemode can support runs up to 50 Km. The EM1100 Series can be placed in the EMC1600 chassis for rack mounting.