Pc Parallel Interface - IBM 6400-D Generation II Series Setup Manual

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 reliable data transfer, a maximum cable length of six feet
Table 3. Printer PC Parallel 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 INSTRUCTION15
Return 33
RS-232 And RS-422 Serial Interface Configuration
is recommended.
Output Signals
Signal
ACKNOWLEDGE
Return
ONLINE/SELECT
Fault
PAPER EMPTY
Return
BUSY
Return
NAUTO FEED
NINIT (PRIME)
NOT DATAPRODUCTS* 35
EXTERNAL 5 VOLTS
N SELECT
PC Parallel Interface
Miscellaneous
Pin Signal
10 CHASSIS GROUND
28
13 GROUND (GND)
32
12 (NC)
30
11
29
14
31
18
36
* Used by DP adapter.
Pin
17
16, 30
34
125