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1.2 Parallel Communications Adapter Specifications
Table 1.2-2 Parallel Communications Connector Signal Line Names
No. Signal line I/O Function No. Signal line I/O Function
1DSTB
I Data strobe signal 19 GND - Signal grounding
2 DATA 0 I/O Data 20 GND - Signal grounding
3 DATA 1 I/O Data 21 GND - Signal grounding
4 DATA 2 I/O Data 22 GND - Signal grounding
5 DATA 3 I/O Data 23 GND - Signal grounding
6 DATA 4 I/O Data 24 GND - Signal grounding
7 DATA 5 I/O Data 25 GND - Signal grounding
8 DATA 6 I/O Data 26 GND - Signal grounding
9 DATA 7 I/O Data 27 GND - Signal grounding
10 ACK
O Acknowledge signal 28 GND - Signal grounding
11 BUSY O Busy signal 29 GND - Signal grounding
12 PE O No paper 30 GND - Signal grounding
13 SLCT O Select signal, output 31 INIT
I Reset signal
14 NC - Unused 32 ERR
O Error signal
15 NC - Unused 33 NC - Unused
16 GND - Signal grounding 34 NC - Unused
17 FG - Frame grounding 35 NC - Unused
18 +5 V O Power supply signal 36 SLCTIN
I Select signal, input