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No one remembers Centronics (well I do) but their connector is still used to this day (is this a legacy or what!).
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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