Correct Pinouts: (* indicates a change from Marc Lacasse's Drawing)
| (Pulses) | (Home) | ||
| DB37 | DB9a | DB9b | |
| Pulses + | 1 | 8 | |
| Pulses - | 20 | 4 | |
| F/R + | 2 | 9 | |
| F/R - | 21 | 5 | |
| Track/Slew+ | 3 | 3 | |
| Track/Slew- | 22 | 7 | |
| ano Home+ | 6 | 8* | |
| ano Home- | 25 | 4* | |
| PosLim | 7 | 2 | |
| NegLim | 26 | 7 | |
| AllStop | 33* | 3 | |
| Uready+ | 12 | 9* | |
| Uready- | 31 | 5* | |
| Sysgnd | 13 | 6* | |
| +5V | 32 | 1* |