Tech Stuff - Centronics
If you are unlucky you may still come across this connector. No one remembers Centronics (well some of us do) but their connector is still used to this day (is this a legacy or what!).
Centronic Printer Connector
An exotic 36 pin connector invented (I guess) by the old Centronics company who made printers (nah!!).
| Connector |
Name |
Function/Notes |
Connector |
Name |
Function/Notes |
| 1 |
Data Strobe |
Active LOW |
19 |
Data Strobe |
RETURN |
| 2 |
Data Bit 1 |
LSB |
20 |
Data Bit 1 |
RETURN |
| 3 |
Data Bit 2 |
- |
21 |
Data Bit 2 |
RETURN |
| 4 |
Data Bit 3 |
- |
22 |
Data Bit 3 |
RETURN |
| 5 |
Data Bit 4 |
- |
23 |
Data Bit 4 |
RETURN |
| 6 |
Data Bit 5 |
- |
24 |
Data Bit 5 |
RETURN |
| 7 |
Data Bit 6 |
- |
25 |
Data Bit 6 |
RETURN |
| 8 |
Data Bit 7 |
- |
26 |
Data Bit 7 |
RETURN |
| 9 |
Data Bit 8 |
MSB |
27 |
Data Bit 8 |
RETURN |
| 10 |
Acknowledge |
Active LOW |
28 |
Acknowledge |
RETURN |
| 11 |
Busy |
Active HIGH |
29 |
Busy |
RETURN |
| 12 |
Paper End |
Active HIGH |
30 |
Input Prime |
RETURN |
| 13 |
Select |
Active HIGH |
31 |
Input Prime |
Active LOW |
| 14 |
Supply Ground |
- |
32 |
Fault |
Active LOW |
| 15 |
Oscillator Tx |
- |
33 |
Undefined |
- |
| 16 |
Logic Ground |
- |
34 |
Undefined |
- |
| 17 |
Chassis Ground |
- |
35 |
Undefined |
- |
| 18 |
+5V |
Power |
36 |
Undefined |
- |
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