Citizen CBM-920 User Manual page 34

2) Input Signals into Printer
RESET........................... Signal to reset the whole printer (negative logic) 4 ms or more
3) Output Signals from Printer
PE .................................. Signal to indicate shortage of paper (positive logic)
FAULT .......................... Signal to indicate occurrence of trouble such as mechanical alarm (positive logic)
4) Data Configuration
1) RS232C I/O signals (R D, T D, DTR)
Input (R D)
Output (T D)
Output (DTR)
Mark = (-8V) :
Space = (+8V) :
Mark = (-8V) :
Space = (+8V) :
stop bit
start bit
stop bit
start bit
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CBM-920 User's Manual
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