Chapter 2 • Subsystems
1037852-0001 Revision A
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Chapter 2
Subsystems
This chapter describes the subsystems that comprise the HX
system. These subsystems are standard with all Hughes systems
and are required for network operation.
This chapter includes:
• Interface subsystem on page 15
• Radio frequency (RF) subsystem on page 16
• Uplink subsystem on page 16
• Timing subsystem on page 18
• Downlink subsystem on page 19
• Network Management Support Services (NMSS) subsystem
on page 22
• Local area networks on page 25
The subsystems and the network connection are illustrated in
Figure 3 on page 14.
See Chapter 3 – Network management, on page 27 for a more
detailed discussion on Network Management.