Interfaces and Connectors
EPM-15 Reference Manual
31
Parallel Port
The EPM-15 includes a standard bi-directional/EPP/ECP compatible LPT port which resides at
the PC standard address of 378h. The port can be enabled or disabled and interrupt assignments
can be made via CMOS Setup. The LPT mode is also set via CMOS Setup.
This connector uses IEC 61000-4-2-rated TVS components to help protect against ESD damage.
Table 7: LPT1 Parallel Port Pinout
J5
Pin
Centronics
Signal
Signal
Direction
1 Strobe
Out
2 Auto
feed Out
3
Data bit 1
In/Out
4 Printer
error
In
5
Data bit 2
In/Out
6 Reset
Out
7
Data bit 3
In/Out
8 Select
input
Out
9
Data bit 4
In/Out
10
Data bit 5
In/Out
11
Data bit 6
In/Out
12
Data bit 7
In/Out
13
Data bit 8
In/Out
14 Ground
–
15 Acknowledge
In
16 Ground
–
17 Port
Busy In
18 Ground
–
19 Paper
End In
20 Select
In
