6 electricalcharacteristics, Electrical characteristics, 6 electrical characteristics – Citizen Systems iDP3550 Benutzerhandbuch

Seite 54

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iDP3550/3551 User’s Manual

38

CITIZEN

10.3.6

Electrical Characteristics

(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 to MAX232

RXD

Mark=(-8V) : Stop bit

Space=(+8V): Start bit

DTR

TXD

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