System information

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