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Operating instructions

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Network Topologies with OSM/ESM
Industrial Ethernet OSM/ESM
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C79000-Z8976-C068-04
3.3 Redundant Coupling of Network Segments
The standby sync port allows the connection of two Industrial Ethernet OSMs or ESMs
with one operating as standby master (DIP switch "Stby off") and the other as standby
slave (DIP switch "Stby on"). With this mode, pairs of OSMs/ESMs can be used for
redundant coupling of OSM/ESM or OLM rings.
With network management, the OSM/ESM can also be configured so that several
rings or networks can be interconnected at the same time with two OSMs/ESMs (see
OSM/ESM Network Management, User Manual).