Citizen Systems CLP-6001, CLP-6002 user manual Interface pin assignment

6.2.5Interface pin assignment

Serial and parallel interface pin assignment tables are shown below.

Serial interface pin assignment table

	Pin No.	Signal	Input/Output	Description
	1	F.GND	−	Frame ground
	2	TXD	Output	RS-232C output data
	3	RXD	Input	RS-232C input data
	4	RTS	−	RS-232C (pull up to +5V with 2 KΩ]
	5	CTS	Input	RS-232C data transmission on
				computer permitted
	6	NC	−	No connection
	7	S.GND	−	Signal ground
	8	NC	−	No connection
	9	NC	−	No connection
T	10	NC	−	No connection
	11	NC	−	No connection
	12	NC	−	No connection
	13	S.GND	−	Signal ground
	14	+5VDC	−	+5 V (max. load 100 mA)
	15	NC	−	No connection
	16	NC	−	No connection
	17	NC	−	No connection
	18	NC	−	No connection
	19	NC	−	No connection
	20	DTR	Output	RS-232C data transmission (busy) on
				printer permitted
	21	NC	−	No connection
	22	NC	−	No connection
	23	NC	−	No connection
	24	NC	−	No connection
	25	NC	−	No connection

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