... /485/422)4) Multi-mode 2km, signal-mode 20, 25, 40, 60, 100kmSpecifications:1) Standard: EIA RS-232, RS-48, RS ... ) Optic port transmission: multi-mode 2km, signal-mode 20, 25, 40, 60, 100km12) Loading: RS-485/422 port, support 32 port ... connector, signal-mode adopt, ST/SC/FC connector16) Operating temperature: -25 to 70°C17) Storage temperature: -40 to 85°C18) Relative humidity ...