- GB/T51154-2015海底光缆工程设计规范（英文版）
- 中华人民共和国住房和城乡建设部
- 59字
- 2021-03-26 23:05:41
4.3 Network Topology
4.3.1 A submarine cable system should adopt two basic topologies:P-to-P topology（Figure 4.3.1-1）and branch topology（Figure 4.3.1-2）.
Figure 4.3.1-1 P-to-P topology
Figure 4.3.1-2 Branch topology
4.3.2 When selecting the topology，the landing stations'geographical relationship，service demands，network safety requirements and cost effectiveness shall be taken into consideration.