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9.3.6 Electrical Characteristics
a)
RS-232C Circuit
Input (RD)
[Printer Side]
Output (DTR, TD, FAULT)
[Printer Side]
MAX232 or equivalent
DTR
FAULT
b)
TTL Circuit
Output (PE)
[Printer Side]
7406 or equivalent
Input (RESET)
[Printer Side]
7406 or equivalent
CITIZEN
MAX232 or equivalent
(-8V): BUSY
(+8V): READY
(-8V): Normal
(+8V): Abnormal
PE
H: Paper empty
L: Paper remaining
[Host Side]
Mark = (-8V): Stop bit
Space = (+8V): Start bit
[Host Side]
*TD
Mark = (-8V): 1
Space = (+8V): 0
[Host Side]
[Host Side]
LOW for RESET
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iDP3540/3541 User's Manual
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