Mic ETS2228 Instrukcja Użytkownika Pobierz pdf (Strona 14)

ETS2228 Maintenance Manual

Input power level conversion circuit:

Figure 2 Input power level conversion circuit

Output power level conversion circuit:

Figure 3 Output power level conversion circuit

Data receiving signal power level conversion circuit. The power level conversion of signal

UART1_RX is accomplished by clamp circuit. The reason lies in that the signal power-level needs to be

lowered to detect whether or not the serial port line is connected when there are no data lines.

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Mic ETS2228 Instrukcja Użytkownika Strona 14