Orientation and main components
| T | Top | 6 | Motherboard |
| F | Front | 7 | Top cover |
| 1 | Screws | 8 | Front-cover assembly |
| 2 | Front-panel knob | 9 | Front brackets |
| 3 | VFD display | 10 | 1RU fan tray |
| 4 | Rack ears | 11 | 3RU fan tray |
| 5 | VPU cards | 12 | Chassis |
13.1 E2 Lite unit Overview
| T | Top | 6 | Motherboard |
| F | Front | 7 | Top cover |
| 1 | Screws | 8 | Front-cover assembly |
| 2 | Front-panel knob | 9 | Front brackets |
| 3 | VFD display | 10 | 1RU fan tray |
| 4 | Rack ears | 11 | 3RU fan tray |
| 5 | VPU cards | 12 | Chassis |