... fiber devices, RS-485 Repeater, Series Multi-drop Optic Fibres, Serial Converters for Industrial Control Interface P/N:CI-SF120-MMDescription ... is designed for use in optical RS232/485/422 general serial networks. Feature with data rate up to 10M,35mm DIN ... /SC/FC, Rate data: 0-10M. RS-485/232/422 serial to Fiber Optic Converters Ci-sf120-s