Removal and replacement of ADU modules
8-16 Chapter 8: Service 98-148248-C
8.5 Removal and replacement of ADU modules
All replacement of modules must be carried out by a Cobham SATCOM service partner. The
figure below shows the modules and their position. Some modules are equipped with LEDs
for status information and troubleshooting.
1. GNSS module.
2. X-elevation motor and encoder.
3. Wave guide.
4. Elevation motor and encoder
5. Inertial Sensor Module (ISM2).
6. Polariser.
Figure 8-12: Above Deck Unit modules 1/2