Star Micronics LC24-15 user manual

The following describes the pinout of the parallel (Centronics-type) inter- face connector (signals which are low when active are overlined):

Pin	1 Name	Function
1	STROBE	Goes	from	high to low (for 20.5~s) when active
2	DATA0	High	when	active
3	1 DATA1	1 Hiah	when	active

9	DATA7	High	when	active
10	ACK	5~s	low pulse acknowledges			receipt	of data
11	1 BUSY	/ Low	when	minter	readv to receive		data
12	PAPER	High	when	paper	out. Can	be disabled with DIP switch
		settine
13	SELECT	High	when	printer	is on-line

14.15N/C

16	SIGNAL	GND	Signal ground
17	1 CHASSIS		Chassis ground (isolated from signal ground)
18	I +5v		+SV DC outuut from minter
19-30	GND		Twisted	pair ground return
31	RESET		When this input signal is low, printer is reset
32	ERROR		Outputs	low when nrinter cannot continue. due to an error
33	EXT GND		External	ground
34,35	N/C
36	SELECT	IN	Alwavs	high

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