C-1
Appendix C: Interface connector pinouts
Use the following pinouts and descriptions of the various printer interface connectors for purchase
or assembly of a new cable.
Bi-directional Parallel (nybble mode)
PIN SIGNAL DESCRIPTION DIRECTION
1 /STROBE Data Strobe In to Printer
2 D1 Data Bit 1 In
3 D2 Data Bit 2 In
4 D3 Data Bit 3 In
5 D4 Data Bit 4 In
6 D5 Data Bit 5 In
7 D6 Data Bit 6 In
8 D7 Data Bit 7 In
9 D8 Data Bit 8 In
10 /ACK Acknowledge Out from Printer
11 BUSY Busy Out
12 PERROR Paper Empty Out
13 SELECT Select Out Out
14 /AUTOFD Autofeed In
15 NC Not Used
16 GND Signal Ground
17 CGND Chassis Ground
18 NC Not Used
19-30 GND Signal Ground
31 /INIT Initialize In
32 /FAULT Printer Fault Out
33-35 NC Not Used
36 /SELECTIN Select In In