This is a Teroetik part!!!
TTL RS232 IS 0V HI and 5V Low
CAN is LoW Remanent and
CAN+ at 3,5v
CAN- at <1V
CAN HI is
CAN+ and CAN- at 2,5V
Lower Diode is a Germaniudiode.
Higer Diode is Silicium.
Blubs Visualisiring Signal, no funktion.
PulsVoltage / Blue Line Sim. TTL TXD
Lower Blub / Red Line Sim. TTL RXD
Orange Line Sim. CAN +
Green Line Sim. Can -
120 Ohm Resistors simulate the Canbus end Resistors.