| Pin | Signal | Direction to/ from Card |
| 1 | - Strobe | Out |
| 2 | +Data Bit 0 | Out |
| 3 | +Data Bit 1 | Out |
| 4 | +Data Bit 2 | Out |
| 5 | +Data Bit 3 | Out |
| 6 | +Data Bit 4 | Out |
| 7 | +Data Bit 5 | Out |
| 8 | +Data Bit 6 | Out |
| 9 | +Data Bit 7 | Out |
| 10 | -Acknowledge | In |
| 11 | +Busy | In |
| 12 | +P.End (Out of Paper) | In |
| 13 | +Select In | In |
| 14 | -Auto Feed | Out |
| 15 | -Error | In |
| 16 | -Initialize Printer | Out |
| 17 | -Select Input | Out |
| 18 | -Data Bit 0 Return (Ground) | In |
| 19 | -Data Bit 1 Return (Ground) | In |
| 20 | -Data Bit 2 Return (Ground) | In |
| 21 | -Data Bit 3 Return (Ground) | In |
| 22 | -Data Bit 4 Return (Ground) | In |
| 23 | -Data Bit 5 Return (Ground) | In |
| 24 | -Data Bit 6 Return (Ground) | In |
| 25 | -Data Bit 7 Return (Ground) | In |
Page updated 98/07/14
