Centronics Parallel Interface Configuration - Printronix P3000 Series User's Reference Manual

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Centronics Parallel Interface Configuration

The printer is configured at the factory according to the specified interface. However, the configura-
tion is also user selectable. The following configuration parameters can be verified or changed as nec-
essary to meet specific application requirements:
Data Bit 8 (enable or disable)
Data Polarity (standard or inverted)
PI line (enable or disable)
Response Polarity (standard or inverted)
Latch Data On Leading or Trailing Edge of Strobe
These parameters are displayed under the Application Compatibility/Host Interface/Centronics sub-
menu selectable from the control panel. Refer to the Control Panel Configuration Diagram in the Con-
figuration chapter for information on selecting the various parameter values.
7–4
Table 7–2. Centronics Interface Connector Pin Assignments
INPUT SIGNALS
Signal Pin
Data Line 1 2
Return 20
Data Line 2 3
Return 21
Data Line 3 4
Return 22
Data Line 4 5
Return 23
Data Line 5 6
Return 24
Data Line 6 7
Return 25
Data Line 7 8
Return 26
Data Line 8 9
Return 27
15
Return 14
Data Strobe 1
Return 19
OUTPUT SIGNALS
Signal Pin
ACKNLG 10
Return 28
SLCT 32, 13
PE 12
Busy 11
Return 29
Chassis 17
Ground
Spare 30,31,
34,35,
36
Interfaces