Citizen Systems iDP-460 user manual Serial Interface, Specifications

iDP-460 User’s Manual

7. SERIAL INTERFACE

7.1Specifications

(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"	(+3 V to +12 V)

(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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