... -drop Optic FibresSeries Converter/Repeater RS232/RS485 from/to Fiber Optic, Converter/Repeater Fiber Optic to RS232 to RS485, Optic fiber devices,RS ... /422/485 interface:RS232 speed: 0-115200bps;RS232 support for RXD, TXD, GND 3-line approach to work;RS422 support ... : -45°C to 85°CAmbient Relative Humidity: 10 to 95% (non-condensing) Comark Industrial repeater Rs232/485/422 to Fiber Optic Interface ...