Pc Parallel Interface - IBM 6400 Setup Manual

Chapter 5

PC Parallel Interface

PC Parallel Interface
The PC Parallel interface (also referred to as the "Centronics" interface)
enables the printer to operate with controllers designed for buffered PC
Parallel printers. The length of the data cable from the host computer to the
printer must not exceed 15 feet (5 meters).
NOTE: For a more detailed reliable data transfer, a maximum cable length of
Table 7. Printer PC Parallel Interface Connector Pin Assignments
Input Signals
Signal
DATA LINE 1
Return
DATA LINE 2
Return
DATA LINE 3
Return
DATA LINE 4
Return
DATA LINE 5
Return
DATA LINE 6
Return
DATA LINE 7
Return
DATA LINE 8
Return
DATA STROBE
Return
PAPER
INSTRUCTION
Return
214
six feet is recommended.
Output Signals
Pin Signal
2 ACKNOWLEDGE
20 Return
3 ONLINE/SELECT
21 FAULT
4 FAULT
22 Return
5 PAPER EMPTY
23 Return
6 BUSY
24 Return
7 NAUTO FEED
25
8 NINIT (PRIME)
26
9 NOT
27 DATAPRODUCTS*
1 EXTERNAL 5 VOLTS
19
15 N SELECT
33
Miscellaneous
Pin Signal
10 CHASSIS GROUND
28
13 GROUND (GND)
32
32 (NC)
29
12
30
11
29
14
31
35
18
36
Pin
17
16, 30
34