Rs-422A; Ibm Parallel Attachment; Local Duplex - Xon/Xoff Pacing - IBM 4247 A00 User Manual

Local Duplex – XON/XOFF Pacing

RS-422A

IBM Parallel Attachment

The 4247 Printer supports the IBM Parallel printer interface. A single, 36-pin
connector is mounted on the adapter card.
The PC-parallel interface attaches to the host with a standard PC Parallel printer
cable (IBM part number 92F3176) up to 1.8 m (6 ft) in length.
Table 16. IBM Parallel Connector Pin Assignments
Pin Number
1
2 - 9
10
11
12
13
14
15
16
17
18
19 - 30
31
32
33
34, 35
Signal Name
-STROBE
DATA
-ACKNLG
BUSY
PE
SLCT
-AUTO FEED XT
Unused
LOGIC GND
CHASSIS GROUND
Unused
GROUND
-INIT
-ERROR
GROUND
Unused
Description
Strobe
Eight Data Lines
Acknowledge
Busy
Out of Forms
Printer Selected
Automatic Line Feed on EOL
Logic Ground
Chassis Ground
Ground
Initialize Printer
Printer Error
Ground
Chapter 8. Supplies, Forms, and Cables
157