36 pin MDR36 female connector.
36 pin MDR36 male connector.
| Pin | Description | Signal | Source |
|---|---|---|---|
| 1 | Busy (high) | BUSY | Printer |
| 2 | Select (active high) | SEL | Printer |
| 3 | Acknowledge (active low) | ACK | Printer |
| 4 | Error (Fault- active low) | ERROR | Printer |
| 5 | Paper Error (active high | PE | Printer |
| 6 | Data Bit 0 (LSB) | D0 | Computer |
| 7 | Data Bit 1 | D1 | Computer/Printer |
| 8 | Data Bit 2 | D2 | Computer/Printer |
| 9 | Data Bit 3 | D3 | Computer/Printer |
| 10 | Data Bit 4 | D4 | Computer/Printer |
| 11 | Data Bit 5 | D5 | Computer/Printer |
| 12 | Data Bit 6 | D6 | Computer/Printer |
| 13 | Data Bit 7 (MSB) | D7 | Computer/Printer |
| 14 | Initial | INIT | |
| 15 | Data Strobe (low) | STROBE | Computer |
| 16 | Select Input (active low) | SI | |
| 17 | Auto Line Feed (active low) | ALF | |
| 18 | Host Logic High | HLH | Computer |
| 19 | Return/Ground | RGND | |
| 20 | Return/Ground | RGND | |
| 21 | Return/Ground | RGND | |
| 22 | Return/Ground | RGND | |
| 23 | Return/Ground | RGND | |
| 24 | Return/Ground | RGND | |
| 25 | Return/Ground | RGND | |
| 26 | Return/Ground | RGND | |
| 27 | Return/Ground | RGND | |
| 28 | Return/Ground | RGND | |
| 29 | Return/Ground | RGND | |
| 30 | Return/Ground | RGND | |
| 31 | Return/Ground | RGND | |
| 32 | Return/Ground | RGND | |
| 33 | Return/Ground | RGND | |
| 34 | Return/Ground | RGND | |
| 35 | Return/Ground | RGND | |
| 36 | Peripheral Logic High | PLH | Printer |