Removal and replacement of ADU modules
98-148248-C Chapter 8: Service 8-17
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7. Low Noise Block downconverter (LNB),
8. BUC Control Module (BCM).
9. Block Up Converter (BUC).
10. Pedestal Control Module (PCM2).
11. VSAT Interface Module (VIM).
12. Azimuth motor and encoder.
13. Zero Reference Module (ZRM).
14. Feed horn.
15. Field Vector Driver Module (FDM).
Before contacting your service partner check the LEDs on all modules (VIM, DFDM, PCM,
PMM and ISM). See LEDs of the ADU modules on page 8-13 and LEDs in the ACU on
page 8-14.
Figure 8-13: Above Deck Unit modules 2/2