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Parallel Port
The EBX-11 includes a standard bi-directional/EPP/ECP compatible LPT port (connector J18)
which resides at the PC standard address of 378h. The port can be enabled or disabled and
interrupt assignments can be made via the CMOS setup screen. The LPT mode is also set via the
CMOS setup screen.
This connector uses IEC 61000-4-2-rated TVS components to help protect against ESD damage.
EBX-11 Reference manual
Table 12: LPT Parallel Port Pinout
Centronics
Signal
J18 Pin
Signal
Direction
1
Strobe
Out
2
Auto feed
Out
3
Data bit 0
In/Out
Printer error
4
In
5
Data bit 1
In/Out
6
Init
In/Out
7
Data bit 2
In/Out
8
Select input
Out
9
Data bit 3
In/Out
10
Data Bit 4
In/Out
11
Data Bit 5
In/Out
12
Data Bit 6
In/Out
13
Data Bit 7
In/Out
—
14
Ground
15
Acknowledge In
—
16
Ground
17
Busy
In
—
18
Ground
19
Paper End
In
20
Printer Select In
Interfaces and Connectors
33
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