Parallel Interface Configuration - Printronix P6000L User's Reference Manual

Paper Instruction (PI) - Optional EVFU control signal from the host with the same timing as
the data lines. Sensing the PI line is controlled by printer configuration.
NOTE: The PI Line must be disabled (configuration option selected from the front
panel) if the host computer does not drive or control the PI Line. If the line is not con
trolled by the host and sensing is enabled, rapid paper slewing will occur.
Data Line 1
Data Line 2
Data Line 3
Data Line 4
Data Line 5
Data Line 6
Data Line 7
Data Line 8
Paper Instr.
Data Strobe

Parallel Interface Configuration

The printer is configured at the factory for the type of interface used, either parallel or serial.
However, certain user selectable configuration options are available. The following configura
tion parameters can be verified or changed as necessary to meet specific application require
ments:
Input buffer size
n
Sense of Data Line 8
n
Sense of the Paper Instruction line
n
Data Polarity
n
Printer Error Polarity
n
Fast Busy
n
These parameters are displayed under the Application Compatibility and Interface Compati
bility menus selectable from the control panel. This data may be latched on either the leading
or the trailing edge of the Data Strobe signal by selecting the appropriate jumper on the Logic
7-4
Table 7-2. Centronics Interface Connector Pin Assignments
INPUT SIGNALS
SIGNAL PIN
2
Return 20
3
Return 21
4
Return 22
5
Return 23
6
Return 24
7
Return 25
8
Return 26
9
Return 27
15
Return 14
1
Return 19
OUTPUT SIGNALS
SIGNAL PIN
ACKNLG 10
Return 28
SLCT/IONL 32,13
PE 12
+5 Volts
(Test Only) 18
Busy 11
Return 29
Chassis 16,17
Ground 33
Not Used 30,31,
34,35, 36
Interfaces