Star Micronics SP300 Series manual This connector mates with an, Amphenol 57-30360 connector

3-3. Connectors and Signals

Pin no	Signal name			Direction	Function
1				IN	Signals when data is ready to be read. Signal
		STROBE
					goes from HIGH to LOW (for at least 0.5
					microsec.) when data is available.
2-9	DATA 1-8			IN	These signals provide the information of the
					first to eighth bits of parallel data. Each signal
					is at HIGH level for a logical 1 and at a LOW
					level for a logical 0.
10				OUT	A 9 microsecond LOW pulse acknowledges
			ACK
					receipt of data.
11		BUSY		OUT	When this signal goes LOW, the printer is
					ready to accept data. When the printer is in
					one of the conditions below. “HIGH” is set.
					1. Data being entered.
					2. Off line.
					3. Error condition.
12		PAPER OUT		OUT	This signal is normally LOW. It will go
					HIGH if the printer runs out of paper.
13	SELECTED			OUT	This signal is HIGH when the printer is online.
14-15	N/C				Unused
16		SIGNAL GND			Signal ground.
17		CHASSIS GND			Chassis ground, isolated from logic ground.
18		+5VDC			+5VDC (Max 50mA)
19-30	GND				Twisted pair return signal ground level.
31				IN	When this signal goes LOW, the printer is
		RESET
					reset to its power-on condition.
32				OUT	This signal is normally HIGH. This signal
		ERROR
					goes LOW to signal that the printer cannot
					print due to an error condition.
					Refer to Item 8-4 Emergency Suspension.
33		EXT GND			External ground.
34		COMPULSION		OUT	Compulsion signal
35-36	N/C				Unused.
(19)				(36)

	This connector mates with an
	Amphenol 57-30360 connector
(1)	(18)

Fig. 3-3 Parallel interface connector (printer side)

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