Opto Isolation, what is RS 484, 485 cable to usb, RS 485 cable connector - tatanh1983/conchodom GitHub Wiki
ISL83485 Series 3.6 V 10 Mbps (-40 to +85°C)RS-485/RS-422 Transceiver - SOIC-8
ISL83485 Series 3.6 V 10 Mbps (-40 to +85°C)RS-485/RS-422 Transceiver - SOIC-8