Citizen iDP-460 User Manual download pdf (Page 34)

iDP-460 User’s Manual

20 CITIZEN

7. SERIAL INTERFACE

7.1 Specifications

(1) Synchronous system: Asynchronous

(2) Baud rate: 150, 300, 600, 1,200, 2,400, 4,800, 9,600, or 19,200 bps (User selectable)

(3) Configuration of one word

• Start bit : 1 bit

• Data bits : 7 or 8 bits (User selectable)

• Parity bit : Odd, even, or none (User selectable)

• Stop bit : 1 bit or more

(4) Signal polarity

RS-232C

• Mark = Logic "1" (-3 V to -12 V)

• Space = Logic"0"(+3Vto+12V)

(5) Received data (RD signal)

RS-232C

• Mark = 1

• Space = 0

(6) Reception control (DTR signal)

RS-232C

• Mark : Data transfer disabled

• Space : Data transfer enabled

(7) Transmission control (TD signal)

• Status transmission

P-250 = Transmits "A"(41h)

P-900R = Transmits "H"(48h)

• Printer state transmission

Transmits the data indicating the 1-byte state. (See 10. PRINT CONTROL FUNCTIONS)

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Citizen iDP-460 User Manual Page 34