CITIZEN 15
5-3 Input / output Signals
RS-232C Circuit
Input (RD)
[Printer side] [Host side]
uPD4711 or equivalent
Output (DTR,FAULT)
[Printer side] [Host side]
uPD4711 or equivalent
DTR : (-8V) BUSY
: (+8V) READY
FAULT : (-8V) Normal
: (+8V) Abnormal
