Citizen iDP3221 manual Serial Interface, Specifications, Connectors Pin Configuration, Dtr, Dsr

iDP3221 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, 19,200 bps
		(Selected by the user)
(3)	1-word configuration
	Start bit	: 1 bit
	Data bits	: 8 bits or 7 bits (Selected by the user)
	Parity bit	: Odd, even, or no parity (Selected by the user)
	Stop bit	: 1 bit or more

(4)Signal polarity RS-232C

	• Mark	=	Logic "1" (-3 ∼ -12 V)
	• Space	=	Logic "0" (+3 ∼ +12 V)
(5)	Received data (RD signal)
	• Mark	=	1
	• Space	=	0
(6)	Reception control (DTR signal)
	• Mark	:	Data not transferable
	• Space	:	Data transferable
(7)	Transmission control (TD signal)
	• DC1 code(11H) X-ON			:	Data receivable
	• DC3 code(13H) X-OFF			:	Data not receivable

7.2Connector's Pin Configuration

No.	Signal Name	Input/Output	Function
1	FG		Frame Ground
7	GND		Signal Ground
3	RD	Input	Received Data
20	DTR	Output	Printer BUSY Signal
2	TD	Output	Transmitted Data
6	DSR	Input	Data Set Ready

Notes: 1.	The RS-232C signals are based on the EIA RS-232C.
2.	The received data should be always maintained in the Mark status when no data is being
	transferred.
	Applicable connectors (D-Sub connectors)
	Printer side	: 17LE-13250 (DDK) or its equivalent
	Cable side	: 17JE-23250 (DDK) or its equivalent

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