Zte ZXDSL 9210 (V3.1), Техническое руководство

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Contents
1 Elementary Knowledge...........................................................................................................................1-1
1.1 Overview........................................................................................................................................1-1
1.2 Fundamental Principles of DSL .....................................................................................................1-4
1.2.1 Fundamental Principles of VDSL .......................................................................................1-4
1.2.2 Basic Principles of ADSL ...................................................................................................1-5
1.3 Related Basic Concepts..................................................................................................................1-7
1.3.1 ATM Technology.................................................................................................................1-7
1.3.2 ADSL Access Mode ............................................................................................................1-9
1.3.3 VDSL Access Mode ..........................................................................................................1-10
2 System Structure .....................................................................................................................................2-1
2.1 Brief Introduction to the System ....................................................................................................2-1
2.1.1 Background .........................................................................................................................2-1
2.1.2 Applicable Standards...........................................................................................................2-2
2.1.3 Functions.............................................................................................................................2-3
2.2 System Features .............................................................................................................................2-9
3 Technical Indices .....................................................................................................................................3-1
3.1 System Indices ...............................................................................................................................3-1
3.1.1 Physical Performance..........................................................................................................3-1
3.1.2 Power Supply of Equipment ...............................................................................................3-2
3.1.3 Environment Conditions .....................................................................................................3-3
3.1.4 Interface Indices ..................................................................................................................3-4
3.1.5 Capacity Indices................................................................................................................3-16
3.2 Board Indices ...............................................................................................................................3-16