Star Micronics LC-15 user manual Ack, Busy

Thefollowingdescribesthepinoutoftheparallel(Centronics-type)inter- face connector(signalswhich are low when activeare overlined):

	Pin	Name	Function
	1	STROBE	Goes from high to low (for 20.5ps) when active
	2	\ DATAO	High when active
	3.	DATA1	High when active
	4	DATA2	High when active
I	5	I DATA3	I Hi~hwhen active
	6	DATA4	High when active
	7	DATA5	High when active
	8	DATA6	High when active
	9	DATA7	Hieh when active

I

	10	ACK	5p.slowpulseacknowledgesreceiptofdata
I	11	BUSY	Lowwhenprinterreadytoreceivedata
	12	PAPER	High when paper out. Can be disabled with DIP switch
		1	I
1			setting
	13	SELECT	High when printer is on-line
	14, 15	N/C
	16	SIGNAL GND	Signal ground
	17	I CHASSIS	I Chassis ground (isolated from signal ground)
	18	+5V	+5v DC Outmt from minter
	19-30	GND	Twisted pair ground return
	31	RESET	When this input signal is low, printer is reset
I	32	ERROR	OutDutslow when printer cannot continue, due to an error	I
	33	I EXT GND	I External .mound
34,35		N/C
	36	SELECT IN	Always high

102