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Chapter 1 Introduction
This chapter introduces functions and structure of the EchoLife
HG520b Home Gateway (hereinafter referred to as the HG520b).
1.1 Functions and Features
The HG520b is a type of Asymmetric Digital Subscriber Line (ADSL)
terminal. Data, video and audio are transmitted through the common
telephone line at a higher rate by the HG520b.
The features of the HG520b are:
z High transmission rate: The maximum downstream rate is
24 Mbit/s; the maximum upstream rate is 1.2 Mbit/s.
z Strong network adaptability: The HG520b can be
interconnected with multiple Digital Subscriber Line Access
Multiplexer (DSLAMs).
z Strong maintainability: The HG520b provides multiple
indicator status, which is convenient to locate failures.
z Easy operation: The HG520b has a simple operation for the
configuration page.
1.2 Hardware Configuration
This section introduces the appearance and the structure of the
HG520b.
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