DL/T5392-2007电力系统数字同步网工程设计规范 英文PDF电子书下载

1 Scope 1

2 Normative References 2

3 Abbreviations 4

4 General 6

5 Concept of Synchronization Network 7

6 Reference Distribution Network Design 10

7 Synchronization Distribution Based on SDH Transport Network 22

8 Design of Synchronization Network Management System 26

9 Synchronization of Various Communication Equipment 28

10 Equipment and Instrument Configuration 32

11 Installation Design ofSynchronous Equipment 34

Appendix A(Normative) Explanation of Wording in the Specification 36

Appendix B(Informative) Calculation of the Wander of Extremely Long Timing Reference Link 37

Appendix C(Informative) Basic Principles and Requirements for Retiming of PDH 2048 kbit/s Tributary 39

Appendix D(Normative) Network Limits for Synchronization Network Interfaces 41

Appendix E(Normative) Synchronization Status Message(SSM) 50

Appendix F(Normative) Technical Requirements for Timing Transmission of SDH Transmission System 54