Chapter 1 • Overview
1037852-0001 Revision A
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Chapter 1
Overview
The chapter provides a general overview of the HX System. It
contains the following sections:
• Scope on page 1
• What’s new in this release on page 3
• The HX System on page 4
• Innovative features on page 6
• Broadband applications on page 7
• HX System architecture on page 8
• Information flow on page 11
Scope
This document provides a high-level overview of the HX
broadband satellite system, including discussions of system
concepts, features, and components.
Audience
The primary audience for this document is enterprise customers
who are responsible for operating and managing their own HX
System gateway. The secondary audience is customers at any
level who need to understand the operation of the HX System.
This manual assumes that the reader understands:
• Telecommunications and computer networking technology
• Transmission Control Protocol/Internet Protocol (TCP/IP)
• Common computer networking services and protocols
• Satellite communications principles
• Satellite orbit characteristics
• Time and frequency division multiplexing
• Phase-shift keying
• Forward error correction
• Conditions that affect satellite communications