... , digital signal, RS232/485/422 Min Qty:1 pair Signal Converter P/N: Cj-af Series ... power, supports 1 ~ 4 channels the digital TTL signal/contact closure signal, 1 ~ 4 channel analog (voltage/current), 1 ~ 2 ... /(0-10)V/(0-20)mA optionalSupport 1 ~ 4 channel voltage/current analog signal.Voltage signal interface ... um,100/140um;single mode8.3/125 um,9/125um,10/125umØ Transmission range: multimode 2Km, ...