... -specific, antistatic, anti-jamming, 600 W lightning protection . USB TO three wire RS485 converterIndustry-specific, antistatic, anti-jamming, ... lightning protection, further strengthens the anti-interference.4, Industrial standard design, very suitable for industrial site use;The feet ... : twisted pair or shielding wire;11), Transmission distance: USB to turn 485 transmission distance: 1.2 km above;12 ...