Chapter 3
I/O Information
3-8
ni.com
Table 3-6.
Parallel Port Connector Signals
Pin
Default Configuration (LPT)
Signal Name
Signal Description
1
BUSY
Device Busy
2
SLCT
Select
3
ACK#
Acknowledge
4
FAULT#(ERROR#)
Fault
5
PAPEREND
Paper End
6
PD0
Data Bit 0
7
PD1
Data Bit 1
8
PD2
Data Bit 2
9
PD3
Data Bit 3
10
PD4
Data Bit 4
11
PD5
Data Bit 5
12
PD6
Data Bit 6
13
PD7
Data Bit 7
14
INIT#
Initialize Printer
15
STROBE#
Strobe
16
SLCTIN#
Select Input
17
AUTOFD#
Auto Line Feed
18
+5V
+5 V
19 to 35
GND
Ground
36
NC
Not Connected
Note
: The pound symbol (#) indicates an active low signal.