IBM InfoPrint 6500, User Manual

Page: 224 / 334

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 six
feet is recommended.
Table 6. Printer PC Parallel Interface Connector Pin Assignments
Input Signals Output Signals Miscellaneous
Signal Pin Signal Pin Signal Pin
DATA LINE 1
Return
2
20
ACKNOWLEDGE
Return
10
28 CHASSIS GROUND 17
DATA LINE 2
Return
3
21
ONLINE/SELECT
FAULT
13
32 GROUND (GND) 16, 30
DATA LINE 3
Return
4
22
FAULT
Return
32
29 (NC) 34
DATA LINE 4
Return
5
23
PAPER EMPTY
Return
12
30
DATA LINE 5
Return
6
24
BUSY
Return
11
29
DATA LINE 6
Return
7
25
NAUTO FEED 14
DATA LINE 7
Return
8
26
NINIT (PRIME) 31
DATA LINE 8
Return
9
27
NOT
DATAPRODUCTS*
35
DATA STROBE
Return
1
19
EXTERNAL 5 VOLTS 18
PAPER
INSTRUCTION
Return
15
33 N SELECT 36
210
Infoprint 6500 User’s Manual