V-28C2-27C2+26DRIVER IN25DRIVER IN24RX OUT23DRIVER IN22RX OUT21DRIVER IN20RX OUT19DRIVER IN18GND17DRIVER DISABLE16NC15NC14ON/OFF#13DRIVER OUT12RX IN11DRIVER OUT10RX IN9DRIVER OUT8RX IN7DRIVER OUT6DRIVER OUT5C1-4C1+35V VCC2V+1