... devices, RS-485 Repeater, Series Multi-drop Optic Fibres, Serial Converters for Industrial Control Interface P/N:CI-SF120-MMDescription: The ... RS232/485/422 general serial networks. Feature with data rate up to 10M,35mm DIN rail mounting, redundancy power input(9V ... : 0-10M. RS-485/232/422 serial to Fiber Optic Converters Ci-sf120-s