| AD |
Audible Detector |
CSX generic term for any talking detector; specific functions not listed until later timetables |
| DED |
Dragging Equipment Detector |
|
| DEDAC |
Dragging Equipment Detector w/ Axle Count |
DED with axle count ability - not all DEDs had transducers to count axles. |
| EHD |
Excessive Height Detector |
NS term for High Car Detector |
| FED |
Failed Equipment Detector |
BN/MRL generic term for any talking detector |
| HBD |
Hotbox Detector |
|
| HCD |
High Car Detector |
|
| HWD |
Hot Wheel Detector |
|
| PDD |
Plug Door Detector/Portruding Door Detector |
|
| SAD |
Stand Alone Detector |
NS term for Hotbox Detector that is not connected to their back office network |
| SED |
Stand Alone Dragging Equipment Detector |
NS term for Dragging Equipment Detector |
| SSD |
Stress State Detector |
NS term for a combined Wheel Impact Load Detector/Load Imbalance Detector site |
| TSA |
Track Side Analyzer |
NS term for Hotbox Detector |
| WID |
Wheel Impact Detector |
Another term for Wheel Impact Load Detector |
| WILD |
Wheel Impact Load Detector |
|
| WLD |
Wide Load Detector |
|