The LTM®2882 is an isolated RS232 transceiver that guards against large ground-to-ground differentials. The LTM2882’s internal inductive isolation barrier breaks ground loops by isolating the logic level interface and line transceiver.Isolated RS232 + 1W Power 3.3V or 5V Isolated Power REG 5V T1IN T1OUT R1OUT R1IN RS232 T2IN T2OUT BUS R2OUT ……