4 Optical，Copper Cables and Terminal Equipment Selection

4.1 General Principles

4.2 Optical Cable Selection

4.3 Copper Cable Selection

4.4 Terminal Equipment Selection

5 Cable Route Selection

5.1 General Principles

5.2 Optical Cable Route Selection

5.3 Copper Cable Route Selection

6 Installation of Optical Cables

6.1 General Principle

6.2 Installation Requirements for Directly Buried Optical Cables

6.3 Installation Requirements for Duct Optical Cables

6.4 Installation Requirements for Aerial Optical Cables

6.5 Installation Requirements for Underwater Optical Cables

6.6 Splicing，Entry and Termination of Optical Cables

6.7 Installation Requirements for Silicon-core Plastic Pipes

6.8 Installation Requirements for Optical Cross Connection Cabinets

6.9 Transmission Design Criteria for Optical Cable Lines

7 Installation of Copper Cables

7.1 General Principle

7.2 Installation Requirements for Directly-buried Cables

7.3 Installation Requirements for Duct Copper Cables

7.4 Installation Requirements for Aerial Copper Cables

7.5 Installation Requirements for Cross-connection Areas

7.6 Installation Requirements for Wiring Zones

7.7 Leading-in Cables

7.8 Copper Cable Splicing

7.9 Transmission Design Criteria for Copper Cable Lines

8 Protection of Optical（Copper）Cable Lines

8.1 Optical（Copper）Cable Line Protection from Strong Electricity Dangers

8.2 Optical（Copper）Cable Line Protection from Strong Electricity Interference

8.3 Optical（Copper）Cable Line Protection from Thunders and Lightning

8.4 Cable Line Protection from Other Influences

9 Station Position Selection and Building Requirements

9.1 Station Position Selection Principles

9.2 Building Requirements

Explanation of Wording in This Code

List of Quoted Standards

Explanation of Provisions

Formulation Background

1 General Provisions

3 Telecommunication Cable Line Network

3.1 Telecommunication Cable Line Network Architecture

3.2 Telecommunication Cable Line Network Design

4 Optical，Copper Cables and Terminal Equipment Selection

4.1 General Principles

4.2 Optical Cable Selection

4.3 Copper Cable Selection

4.4 Terminal Equipment Selection

5 Cable Route Selection

5.1 General Principles

5.2 Optical Cable Route Selection

6 Installation of Optical Cables

6.2 Installation Requirements for Directly-buried Optical Cables

6.3 Installation Requirements for Duct Optical Cables

6.4 Installation Requirements for Aerial Optical Cables

6.5 Installation Requirements for Underwater Optical Cables

6.6 Splicing，Entry and Termination of Optical Cables

6.7 Installation Requirements for Silicon-core Plastic Pipes

6.9 Transmission Design Criteria for Optical Cable Lines

7 Installation of Copper Cables

7.2 Installation Requirements for Directly-buried Cables

7.3 Installation Requirements for Duct Copper Cables

7.4 Installation Requirements for Aerial Copper Cables

7.5 Installation Requirements for Cross-connection Areas

7.6 Installation Requirements for Wiring Zones

7.8 Copper Cable Splicing

7.9 Transmission Design Criteria for Copper Cable Lines

8 Protection of Optical（Copper）Cable Lines

8.1 Optical（Copper）Cable Line Protection from Strong Electricity Dangers

8.2 Optical（Copper）Cable Line Protection from Strong Electricity Interference

8.3 Optical（Copper）Cable Line Protection from Thunders and Lightning

8.4 Cable Line Protection from Other Influences

9 Station Position Selection and Building Requirements

9.1 Station Position Selection Principles