Citizen Systems iDP-3423 User Manual
Page 52
iDP-3420/3421/3423 User’s Manual
52
CITIZEN
10
10
10
10....3333....6666 E
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(1) RS-232C circuit
Input (RXD, DSR, mRXD)
[Printer Side]
[Host Side]
Output (DTR, TXD, mTXD, RCH, RTS, FAULT)
Equivalent to MAX232
Mark=(-8V): At Busy
Mark=(-8V): 1
Space=(+8V): At Ready
Space=(+8V): 0
(2) Others
·RESET
: A signal to reset the entire printer.
·PE
: A signal to show that the paper has run out. Normal at the "LOW" level,
but turned to the "HIGH" level when the paper has run out.
·GND
: Signal ground
·FG
: Frame ground
Equivalent MAX232
RXD
Mark=(-8V): Stop bit
Space=(+8V): Start bit
DTR
TXD