Air Brake Switch (3)
| ABS - Closed |
| ABS - Open |
Solid Blade Switch (4)
|
| Normally Closed |
| Normally Open |
Open Double Deadend (5)
| Open Point |
SG Open Points (7)
| 0000 |
| 0001 |
| 0010 |
| 0011 |
| 0100 |
| 0101 |
| 0110 |
| 0111 |
| 1000 |
| 1001 |
| 1010 |
| 1011 |
| 1100 |
| 1101 |
| 1110 |
| 1111 |
SG Cabinet (8)
| A |
| B |
| C |
| D |
| E |
| F |
| G |
| H |
| I |
| J |
| K |
| L |
| M |
|
| N |
| O |
| P |
| Q |
| R |
| S |
SG Switch (9)
| SGS - Closed |
| SGS - Open |
Elbow - Open (11)
|
| Elbow - Open |
|