Citizen Systems CLP-6002, CLP-6001 user manual Parallel interface pin assignment table

Parallel interface pin assignment table

	Pin No.		Signal	Input/Output	Description
	1			Input	Strobe signal for reading 8-bit data
			STROBE
	2−9	DATA1-8		Input	8-bit parallel signal
	10			Output	8-bit data request signal
			ACKNLG
	11	BUSY		Output	Signal specifying printer busy
	12	PERROR		Output	Signal specifying paper absence
	13	SELECT		Output	Signal specifying printer "on line"
					(printing) or "off line" (pause)
	14			Input	Invalidness (ignorance)
		AUTOFD
T	15	NC		−	No use
	16	S.GND		−	Signal ground
	17	FGND		−	Frame ground
	18	P.L.H		Output	Signal specifying peripheral logic high
					(pull up to +5V with 2 KΩ]
	19−30	GND		−	Ground for twisted pair return
	31	INIT		Input	Printer reset
	32	FAULT		Output	Signal specifying printer error
	33−35	NC		−	No use
	36	SELECTIN		Input	Invalidness (ignorance)

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