Detail of TB 10026-2000

Introduction of TB 10026-2000

1 General 1.0.1 This code is formulated to unify the design standards of railway optical fiber cable (cable) transmission engineering, and make the design meet the requirements of safety, applicability, technical advancement and economic feasibility. 1.0.2 This code this code is applicable to the construction and reconstruction engineering of railway optical fiber cable (cable). 1.0.3 The design of railway optical fiber cable (cable) transmission engineering shall follow the national and railway capital construction policies and meet the requirements of railway transportation production and improvement of modern management level. 1.0.4 The design scheme shall meet the requirements of approved feasibility study report and the development planning of railway communication; moreover, proper development capacity shall be reserved. 1.0.5 The long-distance optical fiber cable transmission system of railway shall be adopted with synchronous digital hierarchy (SDH) transmission equipment while others may be adopted with synchronous digital hierarchy (SDH). 1.0.6 The existing network facility and equipment shall be properly used for optical fiber cable (cable) transmission engineering and complete matching of system shall be realized according to the whole-process and whole-network requirements. 1.0.7 The engineering design shall not only meet the requirements specified in this code, but also comply with those specified in the relevant current national mandatory standards. 2 Design of Transmission System 2.1 SDH Systematic Rate, Multiplex Structure and Transmission Model 2.1.1 The systematic rate of SDH shall meet the requirements of Table 2.1.1.

Contents of TB 10026-2000

Foreword I 1 General 2 Design of Transmission System 2.1 SDH Systematic Rate, Multiplex Structure and Transmission Model 2.2 Optical Interface 2.3 Electric Interface 2.4 Selection of Type and Operating Wavelength of Optical Fiber 2.5 Quantity Selection of Optical Fiber Cores 2.6 Configuration of System Structure, Rate Selection and System Quantity 2.7 Arrangement of Transmission Station 2.8 EOW Arrangement 2.9 Channel Organization and Connection 3 Network Organization 3.1 Network Topology. 3.2 Protection Mode Selection 3.3 Management System Configuration of Network Element Level 3.4 Network Synchronization 3.5 Intercommunication between SDH Transmission Network and PDH 4 Index of Transmission Performance 4.1 Performance of Error Code 4.2 Jitter Performance 5 Long-Distance Optical Fiber Cable (Cable) (including Optical-Electric Composite Cable) Line 5.1 Determination on Distance of Regeneration Section of Optical Fiber Cable Digital Line System 5.2 Selection of Optical Fiber Cable (Cable) Pathway and Laying of Optical Fiber Cable (Cable) 5.3 Underwater Optical Fiber Cable (Cable) 5.4 Overhead Optical Fiber Cable 5.5 Lead-in and Divergence of Optical Fiber Cable (Cable) 5.6 Prevention Against Effect of Strong Current Line 5.7 Thunder Prevention of Optical Fiber Cable (Cable) 5.8 Corrosion Prevention and Ant Prevention of Optical Fiber Cable (Cable) Line 5.9 Maintenance and Monitoring of Optical fiber cable (cable) Line 6 Area (Station Yard) Optical Fiber Cable (Cable) Line 6.1 General Requirements 6.2 Directly-buried Optical Fiber Cable (Cable) 6.3 Cable Pipeline 6.4 Overhead Line Appendix A Optical Interface Parameter Explanation of Wording in This Code