IBM 3301690 user manual CN Location, CN Pinouts See Table, LPT Connector Pinouts

3301690 CPU Card

CN Location:	See Figure 3-5
CN Pinouts:	See Table 3-4

The parallel port connector is usually connected to a printer. A 26-pin flat-cable connector is used to connect the parallel port with the printer or device to which the parallel port is connected.

PIN		DESCRIPTION		PIN		DESCRIPTION
1	STROBE#		14		AUTO FORM FEED #
2		DATA0	15		ERROR#
3		DATA1	16		INITIALIZE#
4	DATA2		17		PRINTER SELECT LN#
5		DATA3	18		GND
6		DATA4	19		GND
7		DATA5	20		GND
8		DATA6	21		GND
9		DATA7	22		GND
10		ACKNOWLEDGE#	23		GND
11	BUSY		24		GND
12	PAPER EMPTY		25		GND
13		PRINTER SELECT

Table 3-4: LPT Connector Pinouts

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