1 General Provisions
1.0.1 This code is formulated in order to achieve advanced technology, economy and rationality, safety and usability and quality guarantee for the project design and construction of CATV system (hereinafter referred to as "the system").
1.0.2 This code is applicable to the design, construction and acceptance for the newly-built, extended and rebuilt projects of CATV system with the following signal transmission forms:
1.0.2.1 RF coaxial cable.
1.0.2.2 RF coaxial cable and optical cable combination.
1.0.2.3 RF coaxial cable and microwave combination.
1.0.3 The project design of the system shall meet the requirements for the construction planning of local towns and the development planning of broadcast television undertaking and cable television network.
1.0.4 In addition to this code, the project design and construction of the system shall also meet the provisions stated in the national current relevant standards.
Contents
1 General Provisions
2 Project Design of the System
2.1 General Requirements
2.2 Basic Mode and Distribution of Main Technical Indexes for the System
2.3 Receiving Antenna
2.4 Front End
2.5 Main Transmission
2.6 Distribution Network
2.7 Front Machine Room and Self-developed Program Station
2.8 Component Installation and Line Laying
2.9 Lightning Protection, Earthing and Safety Protection
2.10 Power Supply
4 Project Acceptance of the System
4.1 General Requirements
4.2 Subjective Assessment of the System Quality
4.3 Test of the System Quality
4.4 Project Construction Quality of the System
4.5 Acceptance Documents
Appendix A Common Graphic Symbol in the Principal Mode of the System
Appendix B Common Test Table
Appendix C System Project Acceptance Certificate
Appendix D Explanation of Wording in This Code
Additional Explanation
