Centronics Parallel Interface - Printronix T4204 User Manual

Chapter 4

Centronics Parallel Interface

Centronics Parallel Interface
The length of the data cable from the host computer to the printer must not
exceed 15 feet (5 meters).
Table 7. 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
DATA STROBE 1
Return 19
PAPER 15
INSTRUCTION 29
Return
PRIME 31
Return 30
178
Output Signals
Signal Pin
ACKNOWLEDGE 10
Return 28
ONLINE 13
Return 28
FAULT 32
Return 29
PAPER EMPTY 12
Return 28
BUSY 11
Return 29
Miscellaneous
Signal Pin
CHASSIS GROUND 17
GROUND 30
Spares 14
No Connection 34,3
5, 36
+5 Volts 18