Citizen Systems iDP-3423 Benutzerhandbuch

  iDP-3420/3421/3423 User’s Manual

52

CITIZEN

10

10

10

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E

E

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C

C

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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