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CBM-270 User’s Manual
6.3Input and Output Signals
6.3.1Input and Output Signals
(1)Input signals to the printer
∙DATA | : | |||||
∙ |
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STROBE | : Strobe signal to read the | |||||
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∙RESET | : Signal to reset the entire printer (Negative logic); 1 ms or more | |||||
(2) Output signals from the printer | ||||||
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∙ACK | : | |||||
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∙BUSY | : Signal to indicate that the printer is busy. Input new data when it is "Low." (Positive | |||||
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∙FAULT | : Turned to "Low" when the printer has an alarm. At this time, all the control circuits in | |||||
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| the printer stop. (Negative logic) |
∙PE | : Output if the printing paper has run out or is running out. (Positive logic) | |||||
(3) Power source and the related | ||||||
∙+5 V DC | : 5 V output pulled up by a 10kΩ resistor | |||||
∙GND | : Common ground for the circuits |