Network Topologies with OSM/ESM
Redundant Coupling of Rings
In a redundant coupling of rings, make sure that the standby master and standby slave are either both of the type OSM Version 1 or both of the type OSM Version 2.
Ring with OSM version 1
1 | Port 1 | Port 1 | |
OSM | OSM | ||
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OSM
Standby |
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master | 2 |
Port 1 
OSM
Port 2
2
OSM
ITP 62
Standby slave
Port 1 
OSM
Port 2
2
OSM
ITP 62
11
OSM in
RM mode
OSM
ITP 62
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2 | ITP XP standard cable 9/9 |
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Figure 18: Redundant Ring Coupling with OSM V1 as Standby Master/Standby Slave
Industrial Ethernet OSM/ESM | 39 |