Siemens SIMATIC NET Operating Instructions Manual page 4

Table of contents
7.1 Network topologies ................................................................................................................ 53
7.1.1 Possible network topologies .................................................................................................. 53
7.1.2 Installation guide .................................................................................................................... 53
7.1.3 Bus topology .......................................................................................................................... 54
7.1.4 Star topology .......................................................................................................................... 57
7.1.5 Ring topology ......................................................................................................................... 59
7.1.5.1 Redundant optical ring ........................................................................................................... 59
7.1.5.2 Redundant optical ring with two OLMs .................................................................................. 61
7.2 Configuration .......................................................................................................................... 65
7.2.1 Configuring optical bus and star topology .............................................................................. 65
7.2.2 Configuring redundant optical rings ....................................................................................... 65
8 Service and maintenance ...................................................................................................................... 69
8.1 Cleaning ................................................................................................................................. 69
8.2 Maintenance ........................................................................................................................... 70
9 Troubleshooting/FAQs .......................................................................................................................... 71
10 Technical data ...................................................................................................................................... 73
11 Dimension drawings .............................................................................................................................. 77
12 Approvals ............................................................................................................................................. 79
A Appendix .............................................................................................................................................. 87
A.1 Abbreviations/acronyms ......................................................................................................... 87
A.2 Literature ................................................................................................................................ 88
Index .......................................................................................................................................................... 89
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Operating Instructions, 01/2020, C79000-G8976-C270-06
Optical link module