Operating instructions
Network Topologies with OSM/ESM
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
35
Port 1
OSM OSM OSM
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
O
SM version 1
S
tandby
s
lave
Standby
master
2
2
P
ort 1
Port 1
P
ort 1
Figure 16: 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.