1 General Provisions
1.0.1 This specification is applicable to the design of reconstructed or extended local transmission network SDH optical fiber cable transmission project, and the private communication network synchronous digital transmission equipment project may be implemented with reference to this specification.
1.0.2 The project design must comply with the principles and policies of the state or the relevant authorities and follow the scientificity, rationality and fairness of the design.
1.0.3 The design shall be of practicality, advanced technology and economic rationality. Multi-scheme technical and economic comparison shall be carried out to reduce the construction costs and improve the social benefits and economic benefits.
1.0.4 The design shall be appropriate to the integral development planning of the local communication, based on the short-term requirements, and in consideration of the long-term development, for the convenience of dilatation.
1.0.5 The telecommunication equipments adopted in project design shall have the telecommunication equipment network access licenses issued by the Ministry of Information Industry. The equipments without telecommunication equipment network access licenses issued by the Ministry of Information Industry shall not be used in the project.
The major equipment used in the public telecommunication network of the areas with the seismic fortification intensity of 7 or above in our country, shall have telecommunication equipment seismic performance testing quality certificates issued by the Ministry of Information Industry, and the telecommunication equipments without telecommunication equipment seismic performance testing quality certificates issued by the Ministry of Information Industry shall not be used in the project.
1.0.6 Under the premise of ensuring the communication quality, the convenience of the construction and maintenance, the tidiness and esthetic appearance of the machine room as well as the communication security under the natural disaster and emergencies shall be taken into consideration in the project design.
1.0.7 The parts not involved in this specification may refer to the design specifications of the current relevant projects.
1.0.8 When this specification conflicts with the national requirements, the national requirements shall be applied. Where it is difficult to implement some provision of this specification, sufficient reasons shall be stated in the design and shall be examined and approved by competent department.
