USB TO RS485 converter Industry-specific, antistatic, anti-jamming, 600 W lightning protection . USB TO three wire RS485 converterIndustry-specific, antistatic, anti-jamming, ... of CH341T CUP chip, communication rate can to 2 M;3, RS485 output interface take simple isolating circuit and 600 ... ), highway toll;ATM machine; and so on USB TO RS485 converter (industry-specific, 600 W lightning protection)