| Acronym | Meaning |
| DC | Distribution Control Assembly |
| SLP | ERNO Spacelab Program Office |
| TPDS | Test Procedures DeveloPment System |
| INTRPT | Interrupt |
| CP | Cold Plate |
| SRD | Shuttle Requirements Definition |
| TCS | Technical Change Summary |
| LV | Low Voltage |
| PMU | Pulse Modulation Unit |
| OM | Orbital Maneuvering Engine |