rs485 to fiber optic converter,support daisy chain fiber link Wave length: 850nm,1310 nm,1550nm Fiber ... modems provide fiber optic connection in point to point, star, daisy chain topologies networks.SpecificationElectrical interfaceRS232/422/485 interface:RS232 speed ... /422 to Fiber Optic Converter with two optical ports support daisy chain link Ci-sf110-m/s