I
11.3 PIN FUNCTIONSON INTERFACES
●ParallelInterface
2 DATA1 IN
3 DATA2 IN
$ DATA3 IN
5 DATA4 IN
6 DATA5 IN
7 DATA6 IN
B DATA7 IN
9 DATA8 IN
10 ACK OUT
11 BUSY OUT
12 PAPER OUT
OUT
13SELECTED OUT
16SIGNAL
,GND
17CHASSIS GND
18+5VDC OUT
31
32
Function
Goesfrom High to Low (for at least 0.5 microseconds)when dataare valid.
Alowpulseacknowledges receiptof data.
Low whentheprinteris ready to acceptdata.
GoesHighif theprinterruns out of paper.
Highwhentheprinteris on line
Unused
Signalground.
Printer’schassisground,
isolatedfromsignalground.
Externalsupplyof +5VDC
Twisted pair return signal ground level.
Low input resets the printer to
its
Goeslow to siaal that the printer cannot@nt due to an errorcondition.
Unused
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