Operating instructions
Network Topologies with OSM/ESM
Industrial Ethernet OSM/ESM
34
C79000-Z8976-C068-04
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.
2
2
Port 1Port 1
OSM OSM OSM
OSMOSM
OSM
ITP 62
OSM
ITP 62
OSM
ITP 62
1 Fiber-optic cable (FO)
2 ITP XP standard cable 9/9
O
SM in
R
M mode
R
ing with OSM
v
ersion 2
R
ing with OSM
v
ersion 1
1
1
1
1
1
1
2
Port 2 Port 2
Port 1 Port 1
Standby
master
S
tandby
s
lave
Figure 15: Redundant Ring Coupling with OSM V1 as Standby Master/Standby Slave