Siemens ESM technical specifications Standby Master Slave OSM

Network Topologies with OSM/ESM

Ring with OSM version 1

Port 1	Port 1	1
OSM	OSM	OSM
1	1	1

2	Standby	2	Standby
2	master		slave	OSM in
	OSM		OSM	RM mode
	ITP 62		ITP 62

Port 1 Port 1

OSM

ITP 62

1

1

1

Ring with OSM version 2

1Fiber-optic cable (FOC)

2ITP XP standard cable 9/9

Figure 19: Redundant Ring Coupling with OSM V2 as Standby Master/Standby Slave

Figure 16 also shows how an existing ring with Version 1 OSMs can be connected to a ring with Version 2 OSMs.

40	Industrial Ethernet OSM/ESM
	C79000-Z8976-C068-10