The FCR200S3.60, a FCR200 Series Fast Ethernet Media Converter, can be used 'Standalone' or installed in an Alloy DCR12 Series Media Converter Chassis, and has a 100Base-TX and a 100Base-FX WDM 1310nm singlemode/singlecore port, with 60Km.max range.
The SCR460SC-3, an SCR Series Media Converter, is used standalone or installed in a DCR12 Series Converter Chassis. This RS232/422/485 Serial to Fibre Converter has a DB-9 port and a SC terminated singlemode fibre port with a range of up to 20Km.